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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 10-Q
(Mark One)
☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the quarterly period ended September 30, 2022
OR
☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from to
Commission file number 001-33497
Amicus Therapeutics, Inc.
(Exact Name of Registrant as Specified in Its Charter)

Delaware |  | 71-0869350
(State or Other Jurisdiction of |  | (I.R.S. Employer
Incorporation or Organization) |  | Identification Number)
3675 Market Street, | Philadelphia, | PA |  | 19104
(Address of Principal Executive Offices) |  | (Zip Code)
(215) | 921-7600
(Registrant's Telephone Number, Including Area Code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class | Trading Symbol(s) | Name of each exchange on which registered
Common Stock, par value $0.01 per share | FOLD | NASDAQ Global Market

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐
Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company," and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Large accelerated filer | ☒ |  | Accelerated filer | ☐
Non-accelerated filer | ☐ |  | Smaller reporting company | ☐
|  |  | Emerging growth company | ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒
The number of shares outstanding of the registrant's common stock, $0.01 par value per share, as of October 25, 2022 was 280,945,247 shares.

AMICUS THERAPEUTICS, INC.
Form 10-Q for the Quarterly Period Ended September 30, 2022

| Page
PART I. FINANCIAL INFORMATION |  | 3
| Item 1. | Consolidated Financial Statements and Notes (unaudited) | 3
|  | Consolidated Balance Sheets as of September 30, 2022 and December 31, 2021 | 3
|  | Consolidated Statements of Operations for the Three and Nine Months Ended September 30, 2022 and 2021 | 4
|  | Consolidated Statements of Comprehensive Loss for the Three and Nine Months Ended September 30, 2022 and 2021 | 5
|  | Consolidated Statements of Changes in Stockholders' Equity for the Three and Nine Months Ended September 30, 2022 and 2021 | 6
|  | Consolidated Statements of Cash Flows for the Nine Months Ended September 30, 2022 and 2021 | 8
|  | Notes to Consolidated Financial Statements | 9
| Item 2. | Management’s Discussion and Analysis of Financial Condition and Results of Operations | 20
| Item 3. | Quantitative and Qualitative Disclosures about Market Risk | 30
| Item 4. | Controls and Procedures | 30
PART II. OTHER INFORMATION | 30
| Item 1. | Legal Proceedings | 30
| Item 1A. | Risk Factors | 30
| Item 2. | Unregistered Sales of Equity Securities and Use of Proceeds | 30
| Item 3. | Defaults Upon Senior Securities | 31
| Item 4. | Mine Safety Disclosures | 31
| Item 5. | Other Information | 31
| Item 6. | Exhibits | 32
SIGNATURES | 33

We have filed applications to register certain trademarks in the United States and abroad, including AMICUS THERAPEUTICS and design, AMICUS ASSIST and design, CHART and design, AT THE FOREFRONT OF THERAPIES FOR RARE AND ORPHAN DISEASES, HEALING BEYOND DISEASE, OUR GOOD STUFF, and Galafold® and design.
i

SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS
This Quarterly Report on Form 10-Q contains forward-looking statements that involve risks, uncertainties, and assumptions. Forward-looking statements are all statements, other than statements of historical facts, that discuss our current expectation and projections relating to our strategy, future operations, future financial position, future revenues, projected costs, prospects, plans, and objectives of management. These statements may be preceded by, followed by or include the words "aim," "anticipate," "believe," "can," "could," "estimate," "expect," "forecast," "intend," "likely," "may," "outlook," "plan," "potential," "predict," "project," "seek," "should," "will," "would," the negatives or plurals thereof, and other words and terms of similar meaning, although not all forward-looking statements contain these identifying words.
We have based these forward-looking statements on our current expectations and projections about future events. Although we believe that our assumptions made in connection with the forward-looking statements are reasonable, we cannot assure you that the assumptions and expectations will prove to be correct. You should understand that the following important factors could affect our future results and could cause those results or other outcomes to differ materially from those expressed or implied in our forward-looking statements:
•the scope, progress, results and costs of our clinical trials of our drug candidates;
•the cost of manufacturing drug supply for our commercial, clinical and preclinical studies, including the cost of manufacturing Pompe Enzyme Replacement Therapy ("ERT" or "ATB200" or "cipaglucosidase alfa");
•the future results of preclinical research and subsequent clinical trials for pipeline candidates we may identify from time to time, including our ability to obtain regulatory approvals and commercialize these therapies and obtain market acceptance for such therapies;
•the costs, timing, and outcome of regulatory review of our product candidates, including AT-GAA;
•any changes in regulatory standards relating to the review of our product candidates, including AT-GAA;
•the number and development requirements of other product candidates that we pursue;
•the costs of commercialization activities, including product marketing, sales, and distribution;
•the emergence of competing technologies and other adverse market developments;
•our ability to successfully commercialize Galafold® (also referred to as "migalastat HCl") and, if our regulatory applications are approved, AT-GAA;
•our ability to manufacture or supply sufficient clinical or commercial products, including Galafold® and AT-GAA;
•our ability to obtain reimbursement for Galafold® and, if our regulatory applications are approved, AT-GAA;
•our ability to satisfy post-marketing commitments or requirements for continued regulatory approval of Galafold®, and, if approved and applicable, AT-GAA;
•our ability to obtain market acceptance of Galafold® and, if our regulatory applications are approved, AT-GAA;
•the costs of preparing, filing, and prosecuting patent applications and maintaining, enforcing, and defending intellectual property-related claims, including Hatch-Waxman litigation;
•the impact of litigation that has been or may be brought against us or of litigation that we are pursuing or may pursue against others;
•the extent to which we acquire or invest in businesses, products, and technologies;
•our ability to successfully integrate our acquired products and technologies into our business, or successfully divest or license existing products and technologies from our business, including the possibility that the expected benefits of the transactions will not be fully realized by us or may take longer to realize than expected;
•our ability to establish licensing agreements, collaborations, partnerships or other similar arrangements and to obtain milestone, royalty, or other payments from any such collaborators;
•the extent to which our business could be adversely impacted by the effects of the novel coronavirus ("COVID-19") outbreak, including due to actions by us, governments, our customers, our suppliers, or other third parties to control the spread of COVID-19, or by other health epidemics or pandemics;
•the costs associated with, and our ability to comply with, emerging environmental, social and governance standards;
•our ability to accurately forecast revenue, operating expenditures, or other metrics impacting profitability;
1

•fluctuations in foreign currency exchange rates; and
•changes in accounting standards.
In light of these risks and uncertainties, we may not actually achieve the plans, intentions or expectations disclosed in our forward-looking statements, and you should not place undue reliance on our forward-looking statements. Actual results or events could differ materially from the plans, intentions, and expectations disclosed in the forward-looking statements we make. We have included important factors in the cautionary statements included in Part I Item 1A — Risk Factors of the Annual Report on Form 10-K for the fiscal year ended December 31, 2021, that we believe could cause actual results or events to differ materially from the forward-looking statements that we make. Those factors and the other risk factors described herein are not necessarily all of the important factors that could cause actual results or developments to differ materially from those expressed in any of our forward-looking statements. Other unknown or unpredictable factors also could harm our results. Our forward-looking statements do not reflect the potential impact of any future collaborations, alliances, business combinations, partnerships, strategic out-licensing of certain assets, the acquisition of preclinical-stage, clinical-stage, marketed products or platform technologies or other investments we may make. Consequently, there can be no assurance that actual results or developments anticipated by us will be realized or, even if substantially realized, that they will have the expected consequences to, or effects on, us. Given these uncertainties, investors are cautioned not to place undue reliance on such forward-looking statements.
You should read this Quarterly Report on Form 10-Q in conjunction with our Annual Report on Form 10-K for the fiscal year ended December 31, 2021 (including the documents incorporated by reference therein) completely and with the understanding that our actual future results may be materially different from what we expect. These forward-looking statements speak only as of the date of this report. We undertake no obligation, and specifically decline any obligation, to publicly update or revise any forward-looking statements, even if experience or future developments make it clear that projected results expressed or implied in such statements will not be realized, except as may be required by law.
2

PART I. FINANCIAL INFORMATION
ITEM 1. CONSOLIDATED FINANCIAL STATEMENTS AND NOTES (UNAUDITED)
Amicus Therapeutics, Inc.
Consolidated Balance Sheets
(Unaudited)
(in thousands, except share and per share amounts)

| September 30, 2022 |  | December 31, 2021
Assets |  |  |
Current assets: |  |  |
Cash and cash equivalents | $ | 277,592 |  |  | $ | 245,197 |
Investments in marketable securities | 77,108 |  |  | 237,299 |
Accounts receivable | 52,303 |  |  | 52,672 |
Inventories | 13,272 |  |  | 26,818 |
Prepaid expenses and other current assets | 38,264 |  |  | 34,848 |
Total current assets | 458,539 |  |  | 596,834 |
Operating lease right-of-use assets, net | 29,871 |  |  | 20,586 |
Property and equipment, less accumulated depreciation of $23,337 and $19,882 at September 30, 2022 and December 31, 2021, respectively | 32,449 |  |  | 42,496 |
In-process research & development | 23,000 |  |  | 23,000 |
Goodwill | 197,797 |  |  | 197,797 |
Other non-current assets | 17,872 |  |  | 24,427 |
Total Assets | $ | 759,528 |  |  | $ | 905,140 |
Liabilities and Stockholders’ Equity |  |  |
Current liabilities: |  |  |
Accounts payable | $ | 12,046 |  |  | $ | 21,513 |
Accrued expenses and other current liabilities | 125,235 |  |  | 98,153 |
Contingent consideration payable | 19,833 |  |  | 18,900 |
Operating lease liabilities | 7,536 |  |  | 7,409 |
Total current liabilities | 164,650 |  |  | 145,975 |
Long-term debt | 391,319 |  |  | 389,357 |
Operating lease liabilities | 52,012 |  |  | 43,363 |
Deferred reimbursements | 5,906 |  |  | 5,906 |
Deferred income taxes | 4,930 |  |  | 4,930 |
Other non-current liabilities | 8,146 |  |  | 8,240 |
Total liabilities | 626,963 |  |  | 597,771 |
Commitments and contingencies |  |  |
Stockholders’ equity: |  |  |
Common stock, $0.01 par value, 500,000,000 shares authorized, 280,887,136 and 278,912,800 shares issued and outstanding at September 30, 2022 and December 31, 2021, respectively | 2,813 |  |  | 2,808 |
Additional paid-in capital | 2,645,372 |  |  | 2,595,419 |
Accumulated other comprehensive (loss) gain: |  |  |
Foreign currency translation adjustment | (38,724) |  |  | 5,251 |
Unrealized loss on available-for-sale securities | (354) |  |  | (270) |
Warrants | 83 |  |  | 83 |
Accumulated deficit | (2,476,625) |  |  | (2,295,922) |
Total stockholders’ equity | 132,565 |  |  | 307,369 |
Total Liabilities and Stockholders’ Equity | $ | 759,528 |  |  | $ | 905,140 |

See accompanying Notes to Consolidated Financial Statements
3

Amicus Therapeutics, Inc.
Consolidated Statements of Operations
(Unaudited)
(in thousands, except share and per share amounts)

| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2022 |  | 2021 |  | 2022 |  | 2021
Net product sales | $ | 81,691 |  |  | $ | 79,545 |  |  | $ | 241,137 |  |  | $ | 223,360 |
Cost of goods sold | 13,436 |  |  | 11,696 |  |  | 29,215 |  |  | 26,615 |
Gross profit | 68,255 |  |  | 67,849 |  |  | 211,922 |  |  | 196,745 |
Operating expenses: |  |  |  |  |  |  |
Research and development | 52,970 |  |  | 59,333 |  |  | 212,806 |  |  | 186,453 |
Selling, general, and administrative | 47,272 |  |  | 46,107 |  |  | 158,767 |  |  | 135,109 |
Changes in fair value of contingent consideration payable | 567 |  |  | 3,288 |  |  | (506) |  |  | 4,780 |
Loss on impairment of assets | — |  |  | — |  |  | 6,616 |  |  | — |
Depreciation and amortization | 1,286 |  |  | 1,520 |  |  | 4,031 |  |  | 4,691 |
Total operating expenses | 102,095 |  |  | 110,248 |  |  | 381,714 |  |  | 331,033 |
Loss from operations | (33,840) |  |  | (42,399) |  |  | (169,792) |  |  | (134,288) |
Other income (expense): |  |  |  |  |  |  |
Interest income | 563 |  |  | 108 |  |  | 1,052 |  |  | 323 |
Interest expense | (9,620) |  |  | (8,165) |  |  | (26,024) |  |  | (24,307) |
Loss on extinguishment of debt | — |  |  | (257) |  |  | — |  |  | (257) |
Other income (expense) | 13,634 |  |  | 237 |  |  | 22,804 |  |  | (2,729) |
Loss before income tax | (29,263) |  |  | (50,476) |  |  | (171,960) |  |  | (161,258) |
Income tax (expense) benefit | (4,023) |  |  | 182 |  |  | (8,743) |  |  | (5,925) |
Net loss attributable to common stockholders | $ | (33,286) |  |  | $ | (50,294) |  |  | $ | (180,703) |  |  | $ | (167,183) |
Net loss attributable to common stockholders per common share — basic and diluted | $ | (0.12) |  |  | $ | (0.19) |  |  | $ | (0.63) |  |  | $ | (0.63) |
Weighted-average common shares outstanding — basic and diluted | 289,223,709 |  | 267,464,637 |  | 288,841,092 |  | 266,085,788

See accompanying Notes to Consolidated Financial Statements
4

Amicus Therapeutics, Inc.
Consolidated Statements of Comprehensive Loss
(Unaudited)
(in thousands)

| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2022 |  | 2021 |  | 2022 |  | 2021
Net loss | $ | (33,286) |  |  | $ | (50,294) |  |  | $ | (180,703) |  |  | $ | (167,183) |
Other comprehensive loss: |  |  |  |  |  |  |
Foreign currency translation adjustment loss | (22,121) |  |  | (2,638) |  |  | (43,975) |  |  | (1,795) |
Unrealized gain (loss) on available-for-sale securities | 283 |  |  | (11) |  |  | (84) |  |  | 1 |
Other comprehensive loss | (21,838) |  |  | (2,649) |  |  | (44,059) |  |  | (1,794) |
Comprehensive loss | $ | (55,124) |  |  | $ | (52,943) |  |  | $ | (224,762) |  |  | $ | (168,977) |

See accompanying Notes to Consolidated Financial Statements
5

Amicus Therapeutics, Inc.
Consolidated Statements of Changes in Stockholders' Equity
(Unaudited)
(in thousands, except share amounts)

Three Months Ended September 30, 2022
| Common Stock |  | Additional Paid-In Capital |  | Warrants |  |  |  | Other Comprehensive Gain (Loss) |  | Accumulated Deficit |  | Total Stockholders' Equity
| Shares |  | Amount
Balance at June 30, 2022 | 280,456,667 |  |  | $ | 2,811 |  |  | $ | 2,631,110 |  |  | $ | 83 |  |  |  |  | $ | (17,240) |  |  | $ | (2,443,339) |  |  | $ | 173,425 |
Stock options exercised, net | 172,118 |  |  | 2 |  |  | 1,331 |  |  | — |  |  |  |  | — |  |  | — |  |  | 1,333 |
Vesting of restricted stock units, net of taxes | 258,351 |  |  | — |  |  | (1,841) |  |  | — |  |  |  |  | — |  |  | — |  |  | (1,841) |
Stock-based compensation | — |  |  | — |  |  | 14,772 |  |  | — |  |  |  |  | — |  |  | — |  |  | 14,772 |
Unrealized gain on available-for-sale securities | — |  |  | — |  |  | — |  |  | — |  |  |  |  | 283 |  |  | — |  |  | 283 |
Foreign currency translation adjustment | — |  |  | — |  |  | — |  |  | — |  |  |  |  | (22,121) |  |  | — |  |  | (22,121) |
Net loss | — |  |  | — |  |  | — |  |  | — |  |  |  |  | — |  |  | (33,286) |  |  | (33,286) |
Balance at September 30, 2022 | 280,887,136 |  |  | $ | 2,813 |  |  | $ | 2,645,372 |  |  | $ | 83 |  |  |  |  | $ | (39,078) |  |  | $ | (2,476,625) |  |  | $ | 132,565 |

Nine Months Ended September 30, 2022
| Common Stock |  | Additional Paid-In Capital |  | Warrants |  | Other Comprehensive Gain (Loss) |  | Accumulated Deficit |  | Total Stockholders' Equity
| Shares |  | Amount
Balance at December 31, 2021 | 278,912,800 |  |  | $ | 2,808 |  |  | $ | 2,595,419 |  |  | $ | 83 |  |  | $ | 4,981 |  |  | $ | (2,295,922) |  |  | $ | 307,369 |
Stock options exercised, net | 506,823 |  |  | 5 |  |  | 3,186 |  |  | — |  |  | — |  |  | — |  |  | 3,191 |
Vesting of restricted stock units, net of taxes | 1,467,513 |  |  | — |  |  | (11,119) |  |  | — |  |  | — |  |  | — |  |  | (11,119) |
Stock-based compensation | — |  |  | — |  |  | 57,886 |  |  | — |  |  | — |  |  | — |  |  | 57,886 |
Unrealized loss on available-for-sale securities | — |  |  | — |  |  | — |  |  | — |  |  | (84) |  |  | — |  |  | (84) |
Foreign currency translation adjustment | — |  |  | — |  |  | — |  |  | — |  |  | (43,975) |  |  | — |  |  | (43,975) |
Net loss | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (180,703) |  |  | (180,703) |
Balance at September 30, 2022 | 280,887,136 |  |  | $ | 2,813 |  |  | $ | 2,645,372 |  |  | $ | 83 |  |  | $ | (39,078) |  |  | $ | (2,476,625) |  |  | $ | 132,565 |

6

Amicus Therapeutics, Inc.
Consolidated Statements of Changes in Stockholders' Equity (continued)
(Unaudited)
(in thousands, except share amounts)

Three Months Ended September 30, 2021
| Common Stock |  | Additional Paid-In Capital |  | Warrants |  | Other Comprehensive Gain (Loss) |  | Accumulated Deficit |  | Total Stockholders' Equity
| Shares |  | Amount |
Balance at June 30, 2021 | 266,532,536 |  |  | $ | 2,685 |  |  | $ | 2,364,494 |  |  | $ | — |  |  | $ | 9,082 |  |  | $ | (2,162,351) |  |  | $ | 213,910 |
Stock options exercised, net | 248,617 |  |  | 3 |  |  | 1,693 |  |  | — |  |  | — |  |  | — |  |  | 1,696 |
Vesting of restricted stock units, net of taxes | 39,007 |  |  | — |  |  | (262) |  |  | — |  |  | — |  |  | — |  |  | (262) |
Stock-based compensation | — |  |  | — |  |  | 11,841 |  |  | — |  |  | — |  |  | — |  |  | 11,841 |
Equity component of the convertible notes | 468,272 |  |  | 5 |  |  | 2,635 |  |  | — |  |  | — |  |  | — |  |  | 2,640 |
Common stock issued from equity financing and pre-funded warrants | 11,296,660 |  |  | 112 |  |  | 199,552 |  |  | 83 |  |  | — |  |  | — |  |  | 199,747 |
Unrealized loss on available-for-sale securities | — |  |  | — |  |  | — |  |  | — |  |  | (11) |  |  | — |  |  | (11) |
Foreign currency translation adjustment | — |  |  | — |  |  | — |  |  | — |  |  | (2,638) |  |  | — |  |  | (2,638) |
Net loss | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (50,294) |  |  | (50,294) |
Balance at September 30, 2021 | 278,585,092 |  |  | $ | 2,805 |  |  | $ | 2,579,953 |  |  | $ | 83 |  |  | $ | 6,433 |  |  | $ | (2,212,645) |  |  | $ | 376,629 |

Nine Months Ended September 30, 2021
| Common Stock |  | Additional Paid-In Capital |  | Warrants |  | Other Comprehensive Gain (Loss) |  | Accumulated Deficit |  | Total Stockholders' Equity
| Shares |  | Amount
Balance at December 31, 2020 | 262,063,461 |  |  | $ | 2,650 |  |  | $ | 2,308,578 |  |  | $ | 12,387 |  |  | $ | 8,227 |  |  | $ | (2,045,462) |  |  | $ | 286,380 |
Stock options exercised, net | 1,171,279 |  |  | 12 |  |  | 8,345 |  |  | — |  |  | — |  |  | — |  |  | 8,357 |
Vesting of restricted stock units, net of taxes | 1,026,337 |  |  | — |  |  | (14,700) |  |  | — |  |  | — |  |  | — |  |  | (14,700) |
Stock-based compensation | — |  |  | — |  |  | 43,931 |  |  | — |  |  | — |  |  | — |  |  | 43,931 |
Warrants exercised | 2,554,999 |  |  | 26 |  |  | 31,591 |  |  | (12,387) |  |  | — |  |  | — |  |  | 19,230 |
Equity component of the convertible notes | 472,356 |  |  | 5 |  |  | 2,656 |  |  | — |  |  | — |  |  | — |  |  | 2,661 |
Common stock issued from equity financing and pre-funded warrants | 11,296,660 |  |  | 112 |  |  | 199,552 |  |  | 83 |  |  | — |  |  | — |  |  | 199,747 |
Unrealized gain on available-for-sale securities | — |  |  | — |  |  | — |  |  | — |  |  | 1 |  |  | — |  |  | 1 |
Foreign currency translation adjustment | — |  |  | — |  |  | — |  |  | — |  |  | (1,795) |  |  | — |  |  | (1,795) |
Net loss | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (167,183) |  |  | (167,183) |
Balance at September 30, 2021 | 278,585,092 |  |  | $ | 2,805 |  |  | $ | 2,579,953 |  |  | $ | 83 |  |  | $ | 6,433 |  |  | $ | (2,212,645) |  |  | $ | 376,629 |

See accompanying Notes to Consolidated Financial Statements
7

Amicus Therapeutics, Inc.
Consolidated Statements of Cash Flows
(Unaudited)
(in thousands)

| Nine Months Ended September 30,
| 2022 |  | 2021
Operating activities |  |  |
Net loss | $ | (180,703) |  |  | $ | (167,183) |
Adjustments to reconcile net loss to net cash used in operating activities: |  |  |
Amortization of debt discount and deferred financing | 1,963 |  |  | 1,852 |
Depreciation and amortization | 4,031 |  |  | 4,691 |
Stock-based compensation | 57,886 |  |  | 43,931 |
Loss on extinguishment of debt | — |  |  | 257 |
Non-cash changes in the fair value of contingent consideration payable | (506) |  |  | 4,780 |
Foreign currency remeasurement loss | 2,828 |  |  | 4,247 |
Asset impairment charges and other asset write-offs | 17,271 |  |  | — |
Changes in operating assets and liabilities: |  |  |
Accounts receivable | (7,426) |  |  | (6,372) |
Inventories | 4,913 |  |  | (3,022) |
Prepaid expenses and other current assets | (5,583) |  |  | 9,080 |
Accounts payable, accrued expenses, and other current liabilities | 25,465 |  |  | (22,068) |
Other non-current assets and liabilities | (5,942) |  |  | (2,170) |
Net cash used in operating activities | $ | (85,803) |  |  | $ | (131,977) |
Investing activities |  |  |
Sale and redemption of marketable securities | 259,920 |  |  | 342,343 |
Purchases of marketable securities | (99,811) |  |  | (193,369) |
Capital expenditures | (1,089) |  |  | (2,124) |
Net cash provided by investing activities | $ | 159,020 |  |  | $ | 146,850 |
Financing activities |  |  |
Payment of finance leases | (92) |  |  | (460) |
Proceeds from warrants exercised, net | — |  |  | 19,230 |
Purchase of vested restricted stock units, net of taxes | (11,119) |  |  | (14,700) |
Proceeds from issuance of common stock from equity financing and pre-funded warrants, net of issuance costs | — |  |  | 199,750 |
Proceeds from stock options exercised, net | 3,191 |  |  | 8,357 |
Net cash (used in) provided by financing activities | $ | (8,020) |  |  | $ | 212,177 |
Effect of exchange rate changes on cash, cash equivalents, and restricted cash | $ | (33,120) |  |  | $ | (4,141) |
Net increase in cash, cash equivalents, and restricted cash at the end of the period | 32,077 |  |  | 222,909 |
Cash, cash equivalents, and restricted cash at the beginning of period | 249,456 |  |  | 166,162 |
Cash, cash equivalents, and restricted cash at the end of period | $ | 281,533 |  |  | $ | 389,071 |
Supplemental disclosures of cash flow information |  |  |
Cash paid during the period for interest | $ | 24,058 |  |  | $ | 22,788 |
Cash paid for taxes | $ | 935 |  |  | $ | 9,854 |
Capital expenditures unpaid at the end of period | $ | 53 |  |  | $ | 327 |
Tenant improvements paid through lease incentives | $ | — |  |  | $ | 67 |

See accompanying Notes to Consolidated Financial Statements
8

Amicus Therapeutics, Inc.
Notes to the Consolidated Financial Statements
(Unaudited)
1. Description of Business
Amicus Therapeutics, Inc. (the "Company") is a global, patient-dedicated biotechnology company focused on discovering, developing, and delivering novel medicines for rare diseases. The Company has a portfolio including the first, oral monotherapy for Fabry disease that has achieved widespread global approval and a differentiated biologic for Pompe disease, that is under review with the U.S. Food and Drug Administration ("FDA") as well as the European Medicines Agency ("EMA"). The Company is committed to discovering and developing next generation therapies in Fabry and Pompe diseases.
The cornerstone of the Company's portfolio is Galafold® (also referred to as "migalastat"), the first and only approved oral precision medicine for people living with Fabry disease who have amenable genetic variants. Migalastat is currently approved under the trade name Galafold® in the United States ("U.S."), European Union ("E.U."), United Kingdom ("U.K."), and Japan, with multiple additional approvals granted and applications pending in several geographies around the world.
The lead biologics program of the Company's pipeline is Amicus Therapeutics GAA ("AT-GAA", also known as ATB200/AT2221, or cipaglucosidase alfa/miglustat), a novel, two-component, potential best-in-class treatment for Pompe disease. In February 2019, the FDA granted Breakthrough Therapy designation ("BTD") to AT-GAA for the treatment of late onset Pompe disease. In September 2021, the FDA set the Prescription Drug User Fee Act ("PDUFA") target action date of May 29, 2022 for the New Drug Application ("NDA") for miglustat and July 29, 2022 for the Biologics License Application ("BLA") for cipaglucosidase alfa. The EMA validated the Marketing Authorization Application (“MAA”) in the fourth quarter of 2021. On May 9, 2022, the FDA extended the review period for the NDA for miglustat and the BLA for cipaglucosidase alfa resulting in revised PDUFA action dates of August 29, 2022 and October 29, 2022, respectively. In October 2022, the FDA deferred action on the BLA for cipaglucosidase alfa, citing the inability to complete the manufacturing facility inspection prior to the PDUFA action date. The Company is actively engaged with the FDA on developing an inspection plan.
The Company continues to monitor the novel coronavirus (“COVID-19”) pandemic. The Company's commercial operations have not been significantly impacted by the COVID-19 pandemic to date. The Company continued to observe increased lag time between patient identification and Galafold® initiation due to the continued prevalence of COVID-19 and its ongoing impact on access to treatment for people living with Fabry disease in certain markets. The Company has maintained operations in all geographies, secured its global supply chain for its commercial and clinical products, as well as maintained the operational integrity of its clinical trials, with minimal disruptions. Whether the Company will continue to operate without any significant disruptions will depend on the continued health of its employees, the ongoing demand for Galafold® and the continued operation of its global supply chain. The Company has continued to provide uninterrupted access to medicines for those in need of treatment, while prioritizing the health and safety of its global workforce. In regard to the Company’s regulatory operations, the FDA deferred action on the pending BLA for cipaglucosidase alfa, as a facility inspection was necessary, however, could not be completed by the PDUFA action date due to COVID-19 related travel restrictions. Per FDA guidance relating to pre-approval inspections during the COVID-19 pandemic, receipt of a deferral action indicates no deficiencies have been identified and the application otherwise satisfies the requirements for approval.
The Company had an accumulated deficit of $2.5 billion as of September 30, 2022 and anticipates incurring losses through the fiscal year ending December 31, 2022 and beyond. The Company has historically funded its operations through stock offerings, Galafold® revenues, debt issuances, collaborations, and other financing arrangements.
Based on its current operating model, the Company believes that the current cash position, which includes expected revenues, is sufficient to fund the Company's operations and ongoing research programs to achieve self-sustainability. Potential impacts of the COVID-19 pandemic, business development collaborations, pipeline expansion, and investment in manufacturing capabilities could impact the Company's future capital requirements.
9

2. Summary of Significant Accounting Policies
Basis of Presentation
The Company has prepared the accompanying unaudited Consolidated Financial Statements in accordance with the U.S. generally accepted accounting principles ("U.S. GAAP") for interim financial information and with the instructions to Form 10-Q and Article 10-01 of Regulation S-X. Accordingly, they do not include all of the information and disclosures required by U.S. GAAP for complete financial statements. In the opinion of management, the accompanying unaudited Consolidated Financial Statements reflect all adjustments, which include only normal recurring adjustments, necessary to present fairly the Company's interim financial information.
The accompanying unaudited Consolidated Financial Statements and related notes should be read in conjunction with the Company's financial statements and related notes as contained in the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2021. For a complete description of the Company's accounting policies, please refer to the Annual Report on Form 10-K for the fiscal year ended December 31, 2021.
Consolidation
The Consolidated Financial Statements include the accounts of the Company and its subsidiaries. Intercompany accounts and transactions are eliminated in consolidation.
Foreign Currency Transactions
The functional currency for most of the Company's foreign subsidiaries is their local currency. For non-U.S. subsidiaries that transact in a functional currency other than the U.S. dollar, assets and liabilities are translated at current rates of exchange at the balance sheet date. Income and expense items are translated at the average foreign exchange rates for the period. Adjustments resulting from the translation of the financial statements of the Company's foreign operations into U.S. dollars are excluded from the determination of net income and are recorded in accumulated other comprehensive income, a separate component of stockholders' equity.
Use of Estimates
The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from those estimates.
Additionally, the Company assessed the impact of the COVID-19 pandemic has had on its operations and financial results as of September 30, 2022 and through the issuance of these financial statements. The Company’s analysis was informed by the facts and circumstances as they were known to the Company. This assessment considered the impact COVID-19 may have on financial estimates and assumptions that affect the reported amounts of assets and liabilities and revenue and expenses.
Cash, Cash Equivalents, Marketable Securities, and Restricted Cash
The Company considers all highly liquid investments purchased with a maturity of three months or less at the date of acquisition to be cash equivalents. Marketable securities consist of fixed income investments with a maturity of greater than three months and other highly liquid investments that can be readily purchased or sold using established markets. These investments are classified as available-for-sale and are reported at fair value on the Company's Consolidated Balance Sheets. Unrealized holding gains and losses are reported within other comprehensive loss in the Company's Consolidated Statements of Comprehensive Loss. Fair value is based on available market information including quoted market prices, broker or dealer quotations, or other observable inputs.
Restricted cash consists primarily of funds held to satisfy the requirements of certain agreements that are restricted in their use and is included in other current assets and other non-current assets on the Company's Consolidated Balance Sheets.
10

Concentration of Credit Risk
The Company's financial instruments that are exposed to concentration of credit risk consist primarily of cash, cash equivalents, and marketable securities. The Company maintains its cash and cash equivalents in bank accounts, which, at times, exceed federally insured limits. The Company invests its marketable securities in high-quality commercial financial instruments. The Company has not recognized any losses from credit risks on such accounts during any of the periods presented. The Company believes it is not exposed to significant credit risk on its cash, cash equivalents, or marketable securities.
The Company is subject to credit risk from its accounts receivable related to its product sales of Galafold®. The Company's accounts receivable at September 30, 2022 have arisen from product sales primarily in Europe, the U.S. and Japan. The Company will periodically assess the financial strength of its customers to establish allowances for anticipated losses, if any. For accounts receivable that have arisen from named patient sales, the payment terms are predetermined, and the Company evaluates the creditworthiness of each customer on a regular basis. As of September 30, 2022, the Company recorded an allowance for doubtful accounts of $0.1 million.
Property and Equipment
Property and equipment are stated at cost, less accumulated depreciation. Depreciation is calculated over the estimated useful lives of the respective assets, which range from three to five years, or the lesser of the related initial term of the lease or useful life for leasehold improvements.
The initial cost of property and equipment consists of its purchase price and any directly attributable costs of bringing the asset to its working condition and location for its intended use. Expenditures incurred after the fixed assets have been put into operation, such as repairs and maintenance, are charged to income in the period in which the costs are incurred. Major replacements, improvements, and additions are capitalized in accordance with Company policy.
The Company evaluates long-lived assets for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset group may not be recoverable. If indications of impairment exist, projected future undiscounted cash flows associated with the asset or asset group are compared to the carrying value of the asset to determine whether the asset or asset group's value is recoverable. If impairment is determined, the Company writes down the asset to its estimated fair value and records an impairment loss equal to the excess of the carrying value of the long-lived asset over its estimated fair value in the period at which such a determination is made.
During the nine months ended September 30, 2022, in connection with the strategic prioritization of its gene therapy portfolio, the Company performed an assessment of its fixed assets. As a result, the Company recognized an impairment charge of $6.6 million.
Revenue Recognition
The Company's net product sales consist primarily of sales of Galafold® for the treatment of Fabry disease. The Company has recorded revenue on sales where Galafold® is available either on a commercial basis or through a reimbursed early access program. Orders for Galafold® are generally received from distributors and pharmacies, with the ultimate payor often a government authority.
The Company recognizes revenue when its performance obligations to its customers have been satisfied, which occurs at a point in time when the pharmacies or distributors obtain control of Galafold®. The transaction price is determined based on fixed consideration in the Company's customer contracts and is recorded net of estimates for variable consideration, which are third party discounts and rebates. The identified variable consideration is recorded as a reduction of revenue at the time revenue from the sale of Galafold® is recognized. The Company recognizes revenue to the extent that it is probable that a significant revenue reversal will not occur in a future period. These estimates may differ from actual consideration received. The Company evaluates these estimates each reporting period to reflect known changes.
11

The following table summarizes the Company's net product sales disaggregated by geographic area:

|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
(in thousands) |  | 2022 |  | 2021 |  | 2022 |  | 2021
U.S. |  | $ | 30,222 |  |  | $ | 25,636 |  |  | $ | 81,940 |  |  | $ | 70,167 |
Ex-U.S. |  | 51,469 |  |  | 53,909 |  |  | 159,197 |  |  | 153,193 |
Total net product sales |  | $ | 81,691 |  |  | $ | 79,545 |  |  | $ | 241,137 |  |  | $ | 223,360 |

Inventories and Cost of Goods Sold
Inventories are stated at the lower of cost and net realizable value, determined by the first-in, first-out method. Inventories are reviewed periodically to identify slow-moving or obsolete inventory based on projected sales activity as well as product shelf-life. In evaluating the recoverability of inventories produced, the probability that revenue will be obtained from the future sale of the related inventory is considered and inventory value is written down for inventory quantities in excess of expected requirements. Expired inventory is disposed of and the related costs are recognized as cost of goods sold in the Consolidated Statements of Operations.
Cost of goods sold includes the cost of inventory sold, manufacturing and supply chain costs, product shipping and handling costs, provisions for excess and obsolete inventory, as well as royalties payable.
Research and Development Costs
Research and development costs are expensed as incurred. Research and development expense consist primarily of costs related to personnel, including salaries and other personnel related expenses, consulting fees, and the cost of facilities and support services used in drug development. Assets acquired that are used for research and development and have no future alternative use are expensed as in-process research and development.
In the second quarter of 2022, as part of the Company’s strategic prioritization of its gene therapy portfolio, the Company recorded a non-recurring $20.0 million liability associated with the expense of contractual obligations from which the Company will no longer receive further economic benefit. A liability for costs that will continue to be incurred under a contract for its remaining term without economic benefit to the entity is recognized at the cease-use date. As of September 30, 2022, this liability is presented as a component of accrued expenses and other current liabilities within the Company's Consolidated Balance Sheets.
Recent Accounting Developments
The Company has evaluated recent accounting pronouncements and believes that none of them will have a material effect on the Company's Consolidated Financial Statements or related disclosures.
3. Cash, Cash Equivalents, Marketable Securities, and Restricted Cash
As of September 30, 2022, the Company held $277.6 million in cash and cash equivalents and $77.1 million of marketable securities which are reported at fair value on the Company's Consolidated Balance Sheets. Unrealized holding gains and losses are generally reported within other comprehensive loss in the Company's Consolidated Statements of Comprehensive Loss. If a decline in the fair value of a marketable security below the Company's cost basis is determined to be other-than-temporary or if an available-for-sale debt security’s fair value is determined to be less than the amortized cost and the Company intends or is more than likely to sell the security before recovery and it is not considered a credit loss, such security is written down to its estimated fair value as a new cost basis and the amount of the write-down is included in earnings as an impairment charge. If the unrealized loss of an available-for-sale debt security is determined to be a result of credit loss, the Company would recognize an allowance and the corresponding credit loss would be included in earnings.
The Company regularly invests excess operating cash in deposits with major financial institutions, money market funds, notes issued by the U.S. government, as well as fixed income investments and U.S. bond funds, both of which can be readily purchased and sold using established markets. The Company believes that the market risk arising from its holdings of these financial instruments is mitigated as many of these securities are either government backed or of the highest credit rating. Investments that have original maturities greater than three months but less than one year are classified as current.
12

Cash, cash equivalents and marketable securities are classified as current unless mentioned otherwise below and consisted of the following:

|  | As of September 30, 2022
(in thousands) |  | Cost |  | Gross Unrealized Gain |  | Gross Unrealized Loss |  | Fair Value
Cash and cash equivalents |  | $ | 277,592 |  |  | $ | — |  |  | $ | — |  |  | $ | 277,592 |
U.S. government agency bonds |  | 40,042 |  |  | — |  |  | (87) |  |  | 39,955 |
Commercial paper |  | 36,821 |  |  | — |  |  | (69) |  |  | 36,752 |
Money market |  | 350 |  |  | — |  |  | — |  |  | 350 |
Certificates of deposit |  | 51 |  |  | — |  |  | — |  |  | 51 |
|  | $ | 354,856 |  |  | $ | — |  |  | $ | (156) |  |  | $ | 354,700 |
Included in cash and cash equivalents |  | $ | 277,592 |  |  | $ | — |  |  | $ | — |  |  | $ | 277,592 |
Included in marketable securities |  | 77,264 |  |  | — |  |  | (156) |  |  | 77,108 |
Total cash, cash equivalents, and marketable securities |  | $ | 354,856 |  |  | $ | — |  |  | $ | (156) |  |  | $ | 354,700 |

|  | As of December 31, 2021
(in thousands) |  | Cost |  | Gross Unrealized Gain |  | Gross Unrealized Loss |  | Fair Value
Cash and cash equivalents |  | $ | 245,197 |  |  | $ | — |  |  | $ | — |  |  | $ | 245,197 |
Commercial paper |  | 174,578 |  |  | 7 |  |  | (54) |  |  | 174,531 |
Corporate debt securities |  | 32,322 |  |  | — |  |  | (11) |  |  | 32,311 |
Asset-backed securities |  | 30,070 |  |  | — |  |  | (14) |  |  | 30,056 |
Money market |  | 350 |  |  | — |  |  | — |  |  | 350 |
Certificate of deposit |  | 51 |  |  | — |  |  | — |  |  | 51 |
|  | $ | 482,568 |  |  | $ | 7 |  |  | $ | (79) |  |  | $ | 482,496 |
Included in cash and cash equivalents |  | $ | 245,197 |  |  | $ | — |  |  | $ | — |  |  | $ | 245,197 |
Included in marketable securities |  | 237,371 |  |  | 7 |  |  | (79) |  |  | 237,299
Total cash, cash equivalents, and marketable securities |  | $ | 482,568 |  |  | $ | 7 |  |  | $ | (79) |  |  | $ | 482,496 |

For both the nine months ended September 30, 2022 and the fiscal year ended December 31, 2021, there were no realized gains or losses. The cost of securities sold is based on the specific identification method.
Unrealized loss positions in the marketable securities as of September 30, 2022 and December 31, 2021 reflect temporary impairments and are not a result of credit loss. Additionally, as these positions have been in a loss position for less than twelve months and the Company does not intend to sell these securities before recovery, the losses are recognized in other comprehensive (loss) gain. The fair value of these marketable securities in unrealized loss positions was $76.7 million and $173.4 million as of September 30, 2022 and December 31, 2021, respectively.
The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the Consolidated Balance Sheets that sum to the total of the same such amounts shown in the Consolidated Statements of Cash Flows.

|  | As of September 30,
(in thousands) |  | 2022 |  | 2021
Cash and cash equivalents |  | $ | 277,592 |  |  | $ | 385,903 |
Restricted cash |  | 3,941 |  |  | 3,168 |
Cash, cash equivalents, and restricted cash shown in the Consolidated Statements of Cash Flows |  | $ | 281,533 |  |  | $ | 389,071 |

13

4. Inventories
Inventories consist of raw materials, work-in-process, and finished goods related to the manufacture of Galafold®. The following table summarizes the components of inventories:

(in thousands) |  | September 30, 2022 |  | December 31, 2021
Raw materials |  | $ | 6,075 |  |  | $ | 12,289 |
Work-in-process |  | 2,617 |  |  | 10,699 |
Finished goods |  | 4,580 |  |  | 3,830 |
Total inventories |  | $ | 13,272 |  |  | $ | 26,818 |

The Company recorded a reserve for inventory of $0.2 million and $1.1 million as of September 30, 2022 and December 31, 2021, respectively.
5. Debt
The Company's debt consists of the following:

(in thousands) |  | September 30, 2022 |  | December 31, 2021
Senior Secured Term Loan due 2026: |  |  |  |
Principal |  | $ | 400,000 |  |  | $ | 400,000 |
Less: debt discount (1) |  | (4,954) |  |  | (6,074) |
Less: deferred financing (1) |  | (3,727) |  |  | (4,569) |
Net carrying value of Long-term debt |  | $ | 391,319 |  |  | $ | 389,357 |

______________________________
(1) Included in the Consolidated Balance Sheets within long-term debt and amortized to interest expense over the remaining life of the Senior Secured Term Loan due 2026 using the effective interest rate method.
Interest Expense
The following table sets forth interest expense recognized related to the Company's debt for the three and nine months ended September 30, 2022 and 2021, respectively:

|  | Three Months Ended September 30, |  | Nine Months Ended September 30, |  |
(in thousands) |  | 2022 |  | 2021 |  | 2022 |  | 2021 |  |  |  |
Contractual interest expense |  | $ | 8,945 |  |  | $ | 7,681 |  |  | $ | 24,034 |  |  | $ | 22,806 |  |  |  |  |
Amortization of debt discount |  | $ | 382 |  |  | $ | 383 |  |  | $ | 1,121 |  |  | $ | 1,098 |  |  |  |  |
Amortization of deferred financing |  | $ | 286 |  |  | $ | 269 |  |  | $ | 842 |  |  | $ | 754 |  |  |  |  |

6. Share-Based Compensation
The Company's Amended and Restated 2007 Equity Incentive Plan (the "Plan") provides for the granting of restricted stock units and options to purchase common stock in the Company to employees, directors, advisors, and consultants at a price to be determined by the Company's Board of Directors. The Plan is intended to encourage ownership of stock by employees and consultants of the Company and to provide additional incentives for them to promote the success of the Company's business. The Board of Directors, or its committee, is responsible for determining the individuals to be granted options, the number of options each individual will receive, the option price per share, and the exercise period of each option.
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Stock Option Grants
The fair value of the stock options granted is estimated on the date of grant using a Black-Scholes option pricing model with the following weighted-average assumptions:

|  | Three Months Ended September 30, |  | Nine Months Ended September 30, |  |
|  | 2022 |  | 2021 |  | 2022 |  | 2021 |  |  |  |
Expected stock price volatility |  | 61.0 | % |  | 62.7 | % |  | 62.2 | % |  | 65.8 | % |  |  |  |
Risk free interest rate |  | 3.1 | % |  | 0.8 | % |  | 1.7 | % |  | 0.5 | % |  |  |  |
Expected life of options (years) |  | 5.3 |  | 5.4 |  | 5.3 |  | 5.4 |  |  |  |
Expected annual dividend per share |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  |  |  |

A summary of the Company's stock options for the nine months ended September 30, 2022 were as follows:

|  | Number of Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Years |  | Aggregate Intrinsic Value
|  | (in thousands) |  |  |  |  |  | (in millions)
Options outstanding, December 31, 2021 |  | 14,731 |  |  | $ | 11.08 |  |  |  |  |
Granted |  | 5,644 |  |  | $ | 11.53 |  |  |  |  |
Exercised |  | (511) |  |  | $ | 6.32 |  |  |  |  |
Forfeited |  | (435) |  |  | $ | 12.59 |  |  |  |  |
Expired |  | (193) |  |  | $ | 12.21 |  |  |  |  |
Options outstanding, September 30, 2022 |  | 19,236 |  |  | $ | 11.30 |  |  | 6.8 |  | $ | 18.9 |
Vested and unvested expected to vest, September 30, 2022 |  | 17,587 |  |  | $ | 11.20 |  |  | 6.6 |  | $ | 18.4 |
Exercisable at September 30, 2022 |  | 10,655 |  |  | $ | 10.49 |  |  | 5.1 |  | $ | 16.1 |

As of September 30, 2022, the total unrecognized compensation cost related to non-vested stock options granted was $35.5 million and is expected to be recognized over a weighted average period of three years.
Restricted Stock Units and Performance-Based Restricted Stock Units (collectively "RSUs")
RSUs awarded under the Plan are generally subject to graded vesting and are contingent on an employee's continued service. RSUs are generally subject to forfeiture if employment terminates prior to the release of vesting restrictions. The Company expenses the cost of the RSUs, which is determined to be the fair market value of the shares of common stock underlying the RSUs at the date of grant, ratably over the period during which the vesting restrictions lapse. A summary of non-vested RSU activity under the Plan for the nine months ended September 30, 2022 is as follows:

|  | Number of Shares |  | Weighted Average Grant Date Fair Value |  | Weighted Average Remaining Years |  | Aggregate Intrinsic Value
|  | (in thousands) |  |  |  |  |  | (in millions)
Non-vested units as of December 31, 2021 |  | 7,341 |  |  | $ | 13.90 |  |  |  |  |
Granted |  | 4,998 |  |  | $ | 11.93 |  |  |  |  |
Vested |  | (2,144) |  |  | $ | 12.50 |  |  |  |  |
Forfeited |  | (356) |  |  | $ | 12.19 |  |  |  |  |
Non-vested units as of September 30, 2022 |  | 9,839 |  |  | $ | 13.06 |  |  | 2.3 |  | $ | 102.7 |

All non-vested units are expected to vest over their normal term. As of September 30, 2022, there was $58.2 million of total unrecognized compensation cost related to unvested RSUs with service-based vesting conditions. These costs are expected to be recognized over a weighted average period of two years.
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Compensation Expense Related to Equity Awards
The following table summarizes information related to compensation expense recognized in the Consolidated Statements of Operations related to the equity awards:

|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
(in thousands) |  | 2022 |  | 2021 |  | 2022 |  | 2021
Research and development expense |  | $ | 5,428 |  |  | $ | 3,775 |  |  | $ | 19,172 |  |  | $ | 13,232 |
Selling, general, and administrative expense |  | 9,344 |  |  | 8,066 |  |  | 38,714 |  |  | 30,699 |
Total equity compensation expense |  | $ | 14,772 |  |  | $ | 11,841 |  |  | $ | 57,886 |  |  | $ | 43,931 |

7. Assets and Liabilities Measured at Fair Value
The Company's financial assets and liabilities are measured at fair value and classified within the fair value hierarchy, which is defined as follows:
Level 1 — Quoted prices in active markets for identical assets or liabilities that the Company has the ability to access at the measurement date.
Level 2 — Inputs other than quoted prices in active markets that are observable for the asset or liability, either directly or indirectly.
Level 3 — Inputs that are unobservable for the asset or liability.
A summary of the fair value of the Company's recurring assets and liabilities aggregated by the level in the fair value hierarchy within which those measurements fall as of September 30, 2022 are identified in the following tables:

(in thousands) |  | Level 2 |  | Total
Assets: |  |  |  |
U.S. government agency bonds |  | $ | 39,955 |  |  | $ | 39,955 |
Commercial paper |  | 36,753 |  |  | 36,753 |
Money market |  | 5,352 |  |  | 5,352 |
|  | $ | 82,060 |  |  | $ | 82,060 |

(in thousands) |  | Level 2 |  | Level 3 |  | Total
Liabilities: |  |  |  |  |  |
Contingent consideration payable |  | $ | — |  |  | $ | 19,833 |  |  | $ | 19,833 |
Deferred compensation plan liability |  | 5,002 |  |  | — |  |  | 5,002 |
|  | $ | 5,002 |  |  | $ | 19,833 |  |  | $ | 24,835 |

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A summary of the fair value of the Company's recurring assets and liabilities aggregated by the level in the fair value hierarchy within which those measurements fall as of December 31, 2021 are identified in the following tables:

(in thousands) |  | Level 2 |  | Total
Assets: |  |  |  |
Commercial paper |  | $ | 174,531 |  |  | $ | 174,531 |
Corporate debt securities |  | 32,311 |  |  | 32,311 |
Asset-backed securities |  | 30,056 |  |  | 30,056 |
Money market |  | 5,150 |  |  | 5,150 |
|  | $ | 242,048 |  |  | $ | 242,048 |

(in thousands) |  | Level 2 |  | Level 3 |  | Total
Liabilities: |  |  |  |  |  |
Contingent consideration payable |  | $ | — |  |  | $ | 20,339 |  |  | $ | 20,339 |
Deferred compensation plan liability |  | 4,800 |  |  | — |  |  | 4,800 |
|  | $ | 4,800 |  |  | $ | 20,339 |  |  | $ | 25,139 |

The Company's Senior Secured Term Loan due 2026 falls into the Level 2 category within the fair value level hierarchy and the fair value was determined using quoted prices for similar liabilities in active markets, as well as inputs that are observable for the liability (other than quoted prices), such as interest rates that are observable at commonly quoted intervals. The carrying value of the Senior Secured Term Loan due 2026 approximates the fair value.
The Company did not have any Level 3 assets as of September 30, 2022 or December 31, 2021.
Cash, Money Market Funds, and Marketable Securities
The Company classifies its cash within the fair value hierarchy as Level 1 as these assets are valued using quoted prices in an active market for identical assets at the measurement date. The Company considers its investments in marketable securities as available-for-sale and classifies these assets and the money market funds within the fair value hierarchy as Level 2 primarily utilizing broker quotes in a non-active market for valuation of these securities.
Contingent Consideration Payable
The contingent consideration payable resulted from the acquisition of Callidus Biopharma, Inc. ("Callidus") in November 2013. The most recent valuation was determined using a probability weighted discounted cash flow valuation approach. Gains and losses are included in the Consolidated Statements of Operations.
The contingent consideration payable for Callidus has been classified as a Level 3 recurring liability as its valuation requires substantial judgment and estimation of factors that are not currently observable in the market. If different assumptions were used for the various inputs to the valuation approach, the estimated fair value could be significantly higher or lower than the fair value the Company determined.
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The following significant unobservable inputs were used in the valuation of the contingent consideration payable of Callidus for the ATB200 Pompe disease program:

Contingent Consideration Liability |  | Fair Value as of September 30, 2022 |  | Valuation Technique |  | Unobservable Input |  | Range
|  | (in thousands) |  |  |  |  |  |
|  |  |  |  |  | Discount rate |  | 8.8%
Clinical and regulatory milestones |  | $ | 19,833 |  |  | Probability weighted discounted cash flow |  | Probability of achievement of milestones |  | 80% - 88%
|  |  |  |  |  | Projected year of payments |  | 2023

Contingent consideration liabilities are remeasured to fair value each reporting period using discount rates, probabilities of payment, and projected payment dates. Projected contingent payment amounts related to clinical and regulatory based milestones are discounted back to the current period using a discounted cash flow model. Increases in discount rates and the time to payment may result in lower fair value measurements. Increases or decreases in any of those inputs together, or in isolation, may result in a significantly lower or higher fair value measurement. There is no assurance that any of the conditions for the milestone payments will be met.
The following table shows the change in the balance of contingent consideration payable for the three and nine months ended September 30, 2022 and 2021, respectively:

|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
(in thousands) |  | 2022 |  | 2021 |  | 2022 |  | 2021
Balance, beginning of the period |  | $ | 19,266 |  |  | $ | 27,317 |  |  | $ | 20,339 |  |  | $ | 25,825 |
Changes in fair value during the period, included in the Consolidated Statements of Operations |  | 567 |  |  | 3,288 |  |  | (506) |  |  | 4,780 |
Milestone payment payable in cash |  | — |  |  | (6,000) |  |  | — |  |  | (6,000) |
Balance, end of the period (1) |  | $ | 19,833 |  |  | $ | 24,605 |  |  | $ | 19,833 |  |  | $ | 24,605 |

______________________________
(1) As certain milestones are expected to be reached within the next twelve months, the September 30, 2022 balance was recorded as a current liability in the Consolidated Balance Sheets.
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8. Basic and Diluted Net Loss per Common Share
The following table provides a reconciliation of the numerator and denominator used in computing basic and diluted net loss attributable to common stockholders per common share:

|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
(in thousands, except per share amounts) |  | 2022 |  | 2021 |  | 2022 |  | 2021
Numerator: |  |  |  |  |  |  |  |
Net loss attributable to common stockholders |  | $ | (33,286) |  |  | $ | (50,294) |  |  | $ | (180,703) |  |  | $ | (167,183) |
Denominator: |  |  |  |  |  |  |  |
Weighted average common shares outstanding — basic and diluted |  | 289,223,709 |  |  | 267,464,637 |  |  | 288,841,092 |  |  | 266,085,788 |

Dilutive common stock equivalents would include the dilutive effect of common stock options, convertible debt units, RSUs, and warrants for common stock equivalents. Potentially dilutive common stock equivalents were excluded from the diluted earnings per share denominator for all periods because of their anti-dilutive effect. Weighted average common shares outstanding includes outstanding pre-funded warrants with an exercise price of $0.01.
The table below presents potential shares of common stock that were excluded from the computation as they were anti-dilutive using the treasury stock method:

|  | As of September 30,
(in thousands) |  | 2022 |  | 2021
Options to purchase common stock |  | 19,236 |  |  | 14,798 |
Unvested restricted stock units |  | 9,839 |  |  | 7,540 |
Total number of potentially issuable shares |  | 29,075 |  |  | 22,338 |

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ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS
The following discussion should be read in conjunction with the unaudited Consolidated Financial Statements and the notes thereto included in this Quarterly Report on Form 10-Q and the audited Consolidated Financial Statements and the notes thereto included in our Annual Report on Form 10-K for the fiscal year ended December 31, 2021. Some of the statements we make in this section are forward-looking statements within the meaning of the federal securities laws. For a complete discussion of forward-looking statements, see the section in this Quarterly Report on Form 10-Q entitled “Special Note Regarding Forward-Looking Statements”. Certain risk factors may cause actual results, performance or achievements to differ materially from those expressed or implied by the following discussion. For a discussion of such risk factors, see the section in our Annual Report on Form 10-K for the fiscal year ended December 31, 2021 entitled “Risk Factors”.
Overview
We are a global, patient-dedicated biotechnology company focused on discovering, developing, and delivering novel medicines for rare diseases. We have a portfolio including the first, oral monotherapy for Fabry disease that has achieved widespread global approval and a differentiated biologic for Pompe disease that is under review with the U.S. Food and Drug Administration ("FDA") as well as the European Medicines Agency ("EMA"). We are committed to discovering and developing next generation therapies in Fabry and Pompe diseases.
The cornerstone of our portfolio is Galafold® (also referred to as "migalastat"), the first and only approved oral precision medicine for people living with Fabry disease who have amenable genetic variants. Migalastat is currently approved under the trade name Galafold® in the United States ("U.S."), European Union ("E.U."), United Kingdom ("U.K."), and Japan, with multiple additional approvals granted and applications pending in several geographies around the world.
The lead biologics program of our pipeline is Amicus Therapeutics GAA ("AT-GAA", also known as ATB200/AT2221, or cipaglucosidase alfa/miglustat), a novel, two-component, potential best-in-class treatment for Pompe disease. In February 2019, the FDA granted Breakthrough Therapy designation ("BTD") to AT-GAA for the treatment of late onset Pompe disease. In September 2021, the FDA set the Prescription Drug User Fee Act ("PDUFA") target action date of May 29, 2022 for the New Drug Application ("NDA") for miglustat and July 29, 2022 for the Biologics License Application ("BLA") for cipaglucosidase alfa. The EMA validated the Marketing Authorization Application (“MAA”) in the fourth quarter of 2021. On May 9, 2022, the FDA extended the review period for the NDA for miglustat and the BLA for cipaglucosidase alfa resulting in revised PDUFA action dates of August 29, 2022 and October 29, 2022, respectively. In October 2022, the FDA deferred action on the BLA for cipaglucosidase alfa, citing the inability to complete the manufacturing facility inspection prior to the PDUFA action date. We are actively engaged with the FDA on developing an inspection plan.
Our Strategy
Our strategy is to create, manufacture, test, and deliver the highest quality medicines for people living with rare diseases through internally developed, jointly developed, acquired, or in-licensed products and product candidates that have the potential to obsolete current treatments, provide significant benefits to patients, and be first- or best-in-class. We are leveraging our global capabilities to develop and broaden our lead franchises in Fabry and Pompe disease, with focused discovery work on next generation therapies and novel platform technologies.
We continue to monitor the novel coronavirus ("COVID-19") pandemic. Our commercial operations have not been significantly impacted by the COVID-19 pandemic thus far. We continued to observe increased lag time between patient identification and Galafold® initiation due to the continued prevalence of COVID-19 and its ongoing impact on access to treatment for people living with Fabry disease in certain markets. We have maintained operations in all geographies, secured our global supply chain for our commercial and clinical products, as well as maintained the operational integrity of our clinical trials, with minimum disruptions. Our ability to continue to operate without any significant disruptions will depend on the continued health of our employees, the ongoing demand for Galafold® and the continued operation of our global supply chain. We have continued to provide uninterrupted access to medicines for those in need of treatment, while prioritizing the health and safety of our global workforce. In regard to our regulatory operations, the FDA deferred action on the pending BLA for cipaglucosidase alfa, as a facility inspection was necessary, however, could not be completed by the PDUFA action date due to COVID-19 related travel restrictions. Per FDA guidance relating to pre-approval inspections during the COVID-19 pandemic, receipt of a deferral action indicates no deficiencies have been identified and the application otherwise satisfies the requirements for approval.
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Highlights of our progress include:
•Commercial and regulatory success in Fabry disease. For the nine months ended September 30, 2022, Galafold® revenue totaled $241.1 million, an increase of $17.8 million compared to the same period in the prior year. We continue to see strong commercial momentum and expansion into additional geographies. In countries where we have been operating the longest, we see an increasing proportion of previously untreated patients come onto Galafold®. In the U.S., we continue to see a significant increase in patients from a growing and very wide prescriber base. Across all markets, we see a high rate of compliance and adherence to this oral treatment option.
•Pompe disease clinical program milestones. In February 2021, we reported topline results from the Phase 3 study of AT-GAA (ATB200-03, also known as "PROPEL"). In June 2021, the MHRA granted AT-GAA a positive scientific opinion through the Early Access to Medicines Scheme ("EAMS") which permits eligible adults living with late-onset Pompe disease ("LOPD") who have received alglucosidase alfa for at least 2 years to switch to AT-GAA prior to marketing authorization in the U.K. We completed the submission of the rolling BLA and NDA to the FDA, which was accepted for review in September 2021, and in the fourth quarter of 2021, the MAA was submitted and validated by the EMA. In June 2022, the French National Agency for the Medicines and Health Products Safety granted the first reimbursed access to AT-GAA under their compassionate access program.
•Pipeline advancement and growth. We are leveraging our global capabilities to develop and broaden our lead franchises in Fabry and Pompe disease, with focused discovery work on next generation therapies and novel platform technologies.
•Manufacturing. We have managed our clinical and commercial supply chains during the COVID-19 pandemic such that as of the date hereof we have not experienced supply impacts. We have been able to continue to meet required commercial demand for Galafold® as well as supply our ongoing Pompe disease clinical studies and access programs including EAMS without interruption. We have secured supply for our continued needs for the Pompe disease program through a long-term supply agreement with Wuxi Biologics. The agreement allows for the continuous manufacture of our biologic to support future clinical needs and our anticipated commercial requirements should we garner regulatory approvals as planned. We have contracts in place to supply miglustat, our small molecule component of AT-GAA, to support both clinical and future commercial requirements.
•Financial strength. Total cash, cash equivalents, and marketable securities as of September 30, 2022 was $354.7 million. Based on the current operating model, we believe that the current cash position, which includes expected revenues, is sufficient to fund our operations and ongoing research programs to achieve self-sustainability. Potential impacts of the COVID-19 pandemic, business development collaborations, pipeline expansion, and investment in manufacturing capabilities could impact our future capital requirements.
Our Commercial Product and Product Candidates
Galafold® (migalastat HCl) for Fabry Disease
Our oral precision medicine Galafold® was granted accelerated approval by the FDA in August 2018 under the brand name Galafold® for the treatment of adults with a confirmed diagnosis of Fabry disease and an amenable galactosidase alpha gene ("GLA") variant based on in vitro assay data. The FDA has approved Galafold® for 350 amenable GLA variants. Galafold® was approved in the E.U. and U.K. in May 2016 as a first-line therapy for long-term treatment of adults and adolescents, aged 16 years and older, with a confirmed diagnosis of Fabry disease and who have an amenable mutation (variant). The approved E.U. and U.K. labels include 1,384 mutations amenable to Galafold® treatment, which represent up to half of all patients with Fabry disease. In countries where mutations are provided only on the amenability website, these 1,384 amenable mutations are now available. Marketing authorization approvals have been granted in over 40 countries around the world, including the U.S., E.U., U.K., Japan, and others. In July 2021, Galafold® was approved in the E.U. for adolescents aged 12 years and older weighing 45 kg or more. We plan to continue to launch Galafold® in additional countries during 2022, including for adolescents aged 12 years and older.
As an orally administered monotherapy, Galafold® is designed to bind to and stabilize an endogenous alpha-galactosidase A ("alpha-Gal A") enzyme in those patients with genetic variants identified as amenable in a GLP cell-based amenability assay. Galafold® is an oral precision medicine intended to treat Fabry disease in patients who have amenable genetic variants, and at this time, it is not intended for concomitant use with ERT.
The Galafold® U.S. patent portfolio encompasses 46 Orange Book listed patents, including 5 composition-of-matter patents, of which 30 provide protection through at least 2038.
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In the fourth quarter, we received Paragraph IV Certification Notice Letters from Teva Pharmaceuticals USA, Inc., Aurobindo Pharma Limited, and Lupin Limited in connection with Abbreviated New Drug Applications (“ANDA”) filed with the FDA requesting approval to market generic migalastat. We intend to file lawsuits against the ANDA filers within 45 days of the receipt of the Notice Letters and to vigorously enforce our Galafold® intellectual property rights.
Next Generation for Fabry Disease
We are committed to continued innovation for all people living with Fabry disease. Our pipeline includes a Fabry gene therapy and an academic research collaboration agreement with the University of Seville to explore next generation pharmacological chaperones for Fabry disease.
Novel ERT for Pompe Disease
We are leveraging our biologics capabilities to develop AT-GAA, a novel treatment paradigm for Pompe disease. AT-GAA consists of a uniquely engineered rhGAA enzyme, ATB200, or cipaglucosidase alfa, with an optimized carbohydrate structure to enhance lysosomal uptake, administered in combination with AT2221, or miglustat, that functions as an enzyme stabilizer. Miglustat binds to and stabilizes ATB200 preventing inactivation of rhGAA in circulation to improve the uptake of active enzyme in key disease-relevant tissues, resulting in increased clearance of accumulated substrate, ("glycogen"). Miglustat is not an active ingredient that contributes directly to glycogen reduction.
In February 2021, we reported topline results from the Phase 3 PROPEL study. Of the Pompe disease patients enrolled, 77% were being treated with alglucosidase alfa (n=95) immediately prior to enrollment (“Switch”) and 23% had never been treated with any ERT (n=28) (“Naïve”). Nearly all patients from the PROPEL study continue to be treated with AT-GAA in the extension clinical study. The clinical data from the PROPEL study, the extension study as well as the Phase 1/2 study were included in the AT-GAA submissions to the FDA and the EMA.
In October 2022, we reported positive long-term data from our ongoing phase 1/2 clinical study. Study participants treated with AT-GAA for up to 48 months demonstrated persistent and durable effects on six-minute walk test distance and measures of motor function and muscle strength, stability, or increase in forced vital capacity, and reductions in biomarkers of muscle damage and disease substrate.
In addition, we are conducting ongoing clinical studies in pediatric patients for both LOPD and infantile-onset Pompe disease ("IOPD") populations.
Next Generation for Pompe Disease
As part of our long-term commitment to provide multiple solutions to address the significant unmet needs of the Pompe disease community, we are also continuing discovery for next-generation genetic medicines for Pompe disease.
CDKL5 Deficiency Disorder
We are researching a potential first-in-class genetic medicine for CDKL5 deficiency disorder consisting of a CDKL5 protein engineered for cross correction, delivered as either a protein replacement or as a gene therapy through our collaboration with Penn. We are collaborating with the LouLou Foundation to assess the natural history of the disease to identify endpoints for potential use in future studies.
Additional Next Generation Programs
We have a number of additional gene therapies in clinical and preclinical development, including potential gene therapies in multiple forms of Batten disease.
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Strategic Alliances and Arrangements
We will continue to evaluate business development opportunities as appropriate to build stockholder value and provide us with access to the financial, technical, clinical, and commercial resources necessary to develop and market technologies or products with a focus on rare and orphan diseases. We are exploring potential collaborations, alliances, and other business development opportunities on a regular basis. These opportunities may include business combinations, partnerships, the strategic out-licensing of certain assets, or the acquisition of preclinical-stage, clinical-stage, or marketed products or platform technologies consistent with our strategic plan to develop and provide therapies to patients living with rare and orphan diseases.
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Consolidated Results of Operations
Three Months Ended September 30, 2022 compared to September 30, 2021
The following table provides selected financial information for the Company:

|  | Three Months Ended September 30,
(in thousands) |  | 2022 |  | 2021 |  | Change
Net product sales |  | $ | 81,691 |  |  | $ | 79,545 |  |  | $ | 2,146 |
Cost of goods sold |  | 13,436 |  |  | 11,696 |  |  | 1,740 |
Cost of goods sold as a percentage of net product sales |  | 16.4 | % |  | 14.7 | % |  | 1.7 | %
Operating expenses: |  |  |  |  |  |
Research and development |  | 52,970 |  |  | 59,333 |  |  | (6,363) |
Selling, general, and administrative |  | 47,272 |  |  | 46,107 |  |  | 1,165 |
Changes in fair value of contingent consideration payable |  | 567 |  |  | 3,288 |  |  | (2,721) |
Depreciation and amortization |  | 1,286 |  |  | 1,520 |  |  | (234) |
Other income (expense): |  |  |  |  |  |
Interest income |  | 563 |  |  | 108 |  |  | 455 |
Interest expense |  | (9,620) |  |  | (8,165) |  |  | (1,455) |
Loss on extinguishment of debt |  | — |  |  | (257) |  |  | 257 |
Other income |  | 13,634 |  |  | 237 |  |  | 13,397 |
Income tax (expense) benefit |  | (4,023) |  |  | 182 |  |  | (4,205) |
Net loss attributable to common stockholders |  | $ | (33,286) |  |  | $ | (50,294) |  |  | $ | 17,008 |

Net Product Sales. Net product sales increased $2.1 million during the three months ended September 30, 2022 compared to the same period in the prior year. The increase was primarily due to continued growth in the U.S., Europe and Japan markets, partially offset by the $8.6 million unfavorable impact of foreign currency exchange.
Research and Development Expense. The following table summarizes our principal development programs and the out-of-pocket, third-party expenses incurred:

(in thousands) |  | Three Months Ended September 30,
Projects |  | 2022 |  | 2021
Third party direct project expenses |  |  |  |
Galafold® (Fabry Disease) |  | $ | 2,613 |  |  | $ | 2,804 |
AT-GAA (Pompe Disease) |  | 24,052 |  |  | 22,875 |
Gene therapy programs |  | 462 |  |  | 8,304 |
Pre-clinical and other programs |  | 6 |  |  | 59 |
Total third-party direct project expenses |  | 27,133 |  |  | 34,042 |
Other project costs |  |  |  |
Personnel costs |  | 18,691 |  |  | 17,749 |
Other costs |  | 7,146 |  |  | 7,542 |
Total other project costs |  | 25,837 |  |  | 25,291 |
Total research and development costs |  | $ | 52,970 |  |  | $ | 59,333 |

The $6.4 million decrease in research and development costs was primarily driven by the strategic prioritization of our gene therapy portfolio, partially offset by increases in Pompe disease program spend associated with the timing of manufacturing costs.
Changes in Fair Value of Contingent Consideration Payable. Changes in fair value of contingent consideration payable decreased $2.7 million, primarily due to achievement of a regulatory milestone during the three months ended September 30, 2021.

Other Income. The $13.4 million variance was primarily related to foreign exchange gains caused by local currency remeasurement of U.S. dollar balances.
Income Tax Expense. The income tax expense for the three months ended September 30, 2022 was $4.0 million. We are subject to income taxes in various jurisdictions. Our tax liabilities are largely dependent on the distribution of pre-tax earnings among the many jurisdictions in which we operate.
Nine Months Ended September 30, 2022 compared to September 30, 2021
The following table provides selected financial information for the Company:

|  | Nine Months Ended September 30,
(in thousands) |  | 2022 |  | 2021 |  | Change
Net product sales |  | $ | 241,137 |  |  | $ | 223,360 |  |  | $ | 17,777 |
Cost of goods sold |  | 29,215 |  |  | 26,615 |  |  | 2,600 |
Cost of goods sold as a percentage of net product sales |  | 12.1 | % |  | 11.9 | % |  | 0.2 | %
Operating expenses: |  |  |  |  |  |
Research and development |  | 212,806 |  |  | 186,453 |  |  | 26,353 |
Selling, general, and administrative |  | 158,767 |  |  | 135,109 |  |  | 23,658 |
Changes in fair value of contingent consideration payable |  | (506) |  |  | 4,780 |  |  | (5,286) |
Loss on impairment of assets |  | 6,616 |  |  | — |  |  | 6,616 |
Depreciation and amortization |  | 4,031 |  |  | 4,691 |  |  | (660) |
Other income (expense): |  |  |  |  |  |
Interest income |  | 1,052 |  |  | 323 |  |  | 729 |
Interest expense |  | (26,024) |  |  | (24,307) |  |  | (1,717) |
Loss on extinguishment of debt |  | — |  |  | (257) |  |  | 257 |
Other income (expense) |  | 22,804 |  |  | (2,729) |  |  | 25,533 |
Income tax expense |  | (8,743) |  |  | (5,925) |  |  | (2,818) |
Net loss attributable to common stockholders |  | $ | (180,703) |  |  | $ | (167,183) |  |  | $ | (13,520) |

Net Product Sales. Net product sales increased $17.8 million during the nine months ended September 30, 2022 compared to the same period in the prior year. The increase was primarily due to continued growth in the U.S., Europe and Japan markets, partially offset by the $18.6 million unfavorable impact of foreign currency exchange.

Research and Development Expense. The following table summarizes our principal development programs and the out-of-pocket, third-party expenses incurred:

(in thousands) |  | Nine Months Ended September 30,
Projects |  | 2022 |  | 2021
Third party direct project expenses |  |  |  |
Galafold® (Fabry Disease) |  | $ | 9,652 |  |  | $ | 6,406 |
AT-GAA (Pompe Disease) |  | 72,615 |  |  | 67,829 |
Gene therapy programs |  | 45,379 |  |  | 36,768 |
Pre-clinical and other programs |  | 99 |  |  | 679 |
Total third-party direct project expenses |  | 127,745 |  |  | 111,682 |
Other project costs |  |  |  |
Personnel costs |  | 62,518 |  |  | 53,914 |
Other costs |  | 22,543 |  |  | 20,857 |
Total other project costs |  | 85,061 |  |  | 74,771 |
Total research and development costs |  | $ | 212,806 |  |  | $ | 186,453 |

The $26.4 million increase in research and development costs was primarily due to the strategic prioritization of our gene therapy portfolio resulting in the non-recurring expense of contractual obligations from which we will no longer receive further economic benefit, an increase in personnel costs primarily due to share-based compensation, an increase in the Pompe disease program associated with the timing of manufacturing costs, and an increase in clinical research costs in the Fabry disease program.
Selling, General, and Administrative Expense. Selling, general, and administrative expense increased $23.7 million, primarily driven by the strategic prioritization of our gene therapy portfolio that resulted in the write-off of cloud computing costs and software licensing fees as well as increases in share-based compensation, marketing expenses and travel offset by reduction in third-party professional fees.
Changes in Fair Value of Contingent Consideration Payable. Changes in fair value of contingent consideration payable decreased $5.3 million, primarily due to achievement of a regulatory milestone during the nine months ended September 30, 2021 as well as changes to certain valuation inputs resulting from the strategic prioritization of our gene therapy portfolio during the nine months ended September 30, 2022.
Loss on Impairment of Assets. In connection with the strategic prioritization of our gene therapy portfolio, the Company performed an assessment of its assets and recognized a $6.6 million loss on impairment of assets.
Other Income (Expense). The $25.5 million variance was primarily related to foreign exchange gains caused by local currency remeasurement of U.S. dollar balances.
Income Tax Expense. The income tax expense for the nine months ended September 30, 2022 was $8.7 million. We are subject to income taxes in various jurisdictions. Our tax liabilities are largely dependent on the distribution of pre-tax earnings among the many jurisdictions in which we operate.
Liquidity and Capital Resources
As a result of our significant research and development expenditures, as well as expenditures to build a commercial organization to support the launch of Galafold®, we have not been profitable and have generated operating losses since we were incorporated in 2002. We have historically funded our operations through stock offerings, Galafold® revenues, debt issuance, collaborations, and other financing arrangements.

Cash Flow Discussion
As of September 30, 2022, we had cash, cash equivalents, and marketable securities of $354.7 million. We invest cash in excess of our immediate requirements in regard to liquidity and capital preservation in a variety of interest-bearing instruments, including obligations of U.S. government agencies and money market accounts. Wherever possible, we seek to minimize the potential effects of concentration and degrees of risk. Although we maintain cash balances with financial institutions in excess of insured limits, we do not anticipate any losses with respect to such cash balances. For more details on the cash, cash equivalents, and marketable securities, refer to "— Note 3. Cash, Cash Equivalents, Marketable Securities, and Restricted Cash," in our Notes to Consolidated Financial Statements.
Net Cash Used in Operating Activities
Net cash used in operations for the nine months ended September 30, 2022 was $85.8 million. The components of net cash used in operations included the net loss for the nine months ended September 30, 2022 of $180.7 million offset by $57.9 million of stock compensation, $25.6 million of other non-cash adjustments, and a net increase in changes in operating assets and liabilities of $11.4 million. The changes in operating assets and liabilities were primarily due to an increase in accounts payable and accrued expenses of $25.5 million associated with the strategic prioritization of our gene therapy portfolio resulting in the non-recurring expense of contractual obligations from which we will no longer receive further economic benefit, as well as tax accruals and sales rebates, o ffset by payments of contract manufacturing, third party research and development services, and annual performance bonus. The net cash used in operations was also impacted by an increase in accounts receivable of $7.4 million due to increased commercial sales of Galafold®.
Net cash used in operations for the nine months ended September 30, 2021 was $132.0 million. The components of net cash used in operations included the net loss for the nine months ended September 30, 2021 of $167.2 million partially offset by $43.9 million of stock compensation and $15.8 million of other non-cash adjustments. There was a decrease in cash from changes in operating assets and liabilities of $24.6 million primarily related to a decrease in accounts payable and accrued expenses of $22.1 million, mainly related to the timing of contract manufacturing and research payments.
Net Cash Provided by Investing Activities
Net cash provided by investing activities for the nine months ended September 30, 2022 was $159.0 million. Our investing activities have consisted primarily of purchases, sales, and maturities of investments and capital expenditures. Net cash provided by investing activities reflects $259.9 million for the sale and redemption of marketable securities, partially offset by $99.8 million for the purchase of marketable securities and $1.1 million for capital expenditures.
Net cash provided by investing activities for the nine months ended September 30, 2021 was $146.9 million. Our investing activities have consisted primarily of purchases and sales and maturities of investments and capital expenditures. Net cash provided by investing activities reflects $342.3 million for the sale and redemption of marketable securities, partially offset by $193.4 million for the purchase of marketable securities and $2.1 million for capital expenditures.
Net Cash (Used in) Provided by Financing Activities
Net cash used in financing activities for the nine months ended September 30, 2022 was $8.0 million. Net cash used in financing activities primarily reflects the purchase of vested restricted stock units of $11.1 million, partially offset by $3.2 million of proceeds from the exercise of stock options.
Net cash provided by financing activities for the nine months ended September 30, 2021 was $212.2 million. Net cash provided by financing activities primarily reflects $199.8 million in net proceeds from the September 2021 private placement of securities, $19.2 million from the exercise of the remaining outstanding warrants and $8.4 million from the exercise of stock options, partially offset by $14.7 million from the purchase of vested restricted stock units.

Funding Requirements
We expect to incur losses from operations for the foreseeable future primarily due to research and development expenses, including expenses related to conducting clinical trials. Our future capital requirements will depend on a number of factors, including:
•the scope, progress, results and costs of our clinical trials of our drug candidates;
•the cost of manufacturing drug supply for our commercial, clinical and preclinical studies, including the cost of manufacturing Pompe Enzyme Replacement Therapy ("ERT" or "ATB200" or "cipaglucosidase alfa");
•the future results of preclinical research and subsequent clinical trials for pipeline candidates we may identify from time to time, including our ability to obtain regulatory approvals and commercialize these therapies and obtain market acceptance for such therapies;
•the costs, timing, and outcome of regulatory review of our product candidates, including AT-GAA;
•any changes in regulatory standards relating to the review of our product candidates, including AT-GAA;
•the number and development requirements of other product candidates that we pursue;
•the costs of commercialization activities, including product marketing, sales, and distribution;
•the emergence of competing technologies and other adverse market developments;
•our ability to successfully commercialize Galafold® (also referred to as "migalastat HCl") and, if our regulatory applications are approved, AT-GAA;
•our ability to manufacture or supply sufficient clinical or commercial products, including Galafold® and AT-GAA;
•our ability to obtain reimbursement for Galafold® and, if our regulatory applications are approved, AT-GAA;
•our ability to satisfy post-marketing commitments or requirements for continued regulatory approval of Galafold®, and, if approved and applicable, AT-GAA;
•our ability to obtain market acceptance of Galafold® and, if our regulatory applications are approved, AT-GAA;
•the costs of preparing, filing, and prosecuting patent applications and maintaining, enforcing, and defending intellectual property-related claims, including Hatch-Waxman litigation;
•the impact of litigation that has been or may be brought against us or of litigation that we are pursuing or may pursue against others;
•the extent to which we acquire or invest in businesses, products, and technologies;
•our ability to successfully integrate our acquired products and technologies into our business, or successfully divest or license existing products and technologies from our business, including the possibility that the expected benefits of the transactions will not be fully realized by us or may take longer to realize than expected;
•our ability to establish licensing agreements, collaborations, partnerships or other similar arrangements and to obtain milestone, royalty, or other payments from any such collaborators;
•the extent to which our business could be adversely impacted by the effects of the novel coronavirus ("COVID-19") outbreak, including due to actions by us, governments, our customers, our suppliers, or other third parties to control the spread of COVID-19, or by other health epidemics or pandemics;
•the costs associated with, and our ability to comply with, emerging environmental, social and governance standards;
•our ability to accurately forecast revenue, operating expenditures, or other metrics impacting profitability;
•fluctuations in foreign currency exchange rates; and
•changes in accounting standards.
While we continue to generate revenue from product sales, in the absence of additional funding, we expect our continuing operating losses to result in increases in our net cash used over the next several quarters and years. We may seek additional funding through public or private financings of debt or equity. Based on our current operating model, we believe that the current cash position, which includes expected revenues, is sufficient to fund our operations and ongoing research programs to achieve self-sustainability. Potential impacts of the COVID-19 pandemic, business development collaborations, pipeline expansion, and investment in manufacturing capabilities could impact our future capital requirements.

Financial Uncertainties Related to Potential Future Payments
Milestone Payments / Royaltie s
Callidus - In connection with our acquisition of Callidus in 2013, we agreed to pay up to an additional $35 million in connection with the achievement of certain clinical milestones and up to $80 million in connection with the achievement of certain regulatory approval milestones. As of September 30, 2022, $20 million and $68 million remain outstanding, respectively. Refer to “— Note 7. Assets and Liabilities Measured at Fair Value,” to the Consolidated Financial Statements.
Celenex - In connection with our acquisition of Celenex in 2018, we agreed to pay up to an additional $10 million in connection with the achievement of certain development milestones, $220 million in connection with the achievement of certain regulatory approval milestones across multiple programs and up to $75 million in tiered sales milestone payments.
Nationwide Children’s Hospital - Celenex has an exclusive license agreement with Nationwide Children's Hospital ("Nationwide Children’s"). Under this license agreement, Nationwide Children’s is eligible to receive development and sales-based milestones of up to $7.8 million from us for each product.
University of Pennsylvania - Under our collaboration agreement with the University of Pennsylvania ("Penn"), Penn is eligible to receive certain milestone, royalty, and discovery research payments with respect to licensed products for each indication. Milestone payments are payable following the achievement of certain development and commercial milestone events in each indication, up to an aggregate of $88 million per indication. Royalty payments are based on net sales of licensed products on a licensed product-by-licensed product and country-by-country basis. We provide $10 million each year during the five-year agreement to fund the discovery research program.
GlaxoSmithKline - In July 2012, as amended in November 2013, we entered into an agreement with GlaxoSmithKline ("GSK"), pursuant to which we obtained global rights to develop and commercialize Galafold® as a monotherapy and in combination with ERT for Fabry disease (“Collaboration Agreement”). Under the terms of the Collaboration Agreement, GSK is eligible to receive post-approval and sales-based milestones up to $40 million, as well as tiered royalties in the mid-teens in eight major markets outside the U.S.
Critical Accounting Policies and Significant Judgments
The discussion and analysis of our financial condition and results of operations are based on our financial statements, which we have prepared in accordance with U.S. GAAP. The preparation of these financial statements requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements, as well as the reported revenues and expenses during the reporting periods. On an ongoing basis, we evaluate our estimates and judgments, including those described in greater detail below. We base our estimates on historical experience and on various other factors that we believe are reasonable under the circumstances, the results of which form the basis for making judgments about the carrying value of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates under different assumptions or conditions.
There were no significant changes during the nine months ended September 30, 2022 to the items that we disclosed as our significant accounting policies and estimates described in "—Note 2. Summary of Significant Accounting Policies" to the Company's financial statements as contained in the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2021.
Recent Accounting Pronouncements
Please refer to "—Note 2. Summary of Significant Accounting Policies" in our Notes to Consolidated Financial Statements.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK
Our market risks, and the way we manage them, are summarized in Part II, Item 7A, "Quantitative and Qualitative Disclosures About Market Risk" of our Annual Report on Form 10-K for the fiscal year ended December 31, 2021. As of September 30, 2022, there have been no material changes to our market risks or to our management of such risks since December 31, 2021.
ITEM 4. CONTROLS AND PROCEDURES
As of the end of the period covered by this Quarterly Report on Form 10-Q, an evaluation of the effectiveness of our disclosure controls and procedures (pursuant to Rule 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (the "Exchange Act") was carried out under the supervision of our Principal Executive Officer and Principal Financial Officer, with the participation of our management. Based on that evaluation, the Principal Executive Officer and the Principal Financial Officer concluded that, as of the end of such period, our disclosure controls and procedures are effective in recording, processing, summarizing and reporting, on a timely basis, information required to be disclosed by us in the reports that we file or submit under the Exchange Act and are effective in ensuring that information required to be disclosed by us in the reports that we file or submit under the Exchange Act is accumulated and communicated to our management, including our Principal Executive Officer and Principal Financial Officer, as appropriate, to allow timely decisions regarding required disclosure.
During the fiscal quarter covered by this report, there has been no change in our internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) that occurred during the last fiscal quarter that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.
PART II. OTHER INFORMATION
ITEM 1. LEGAL PROCEEDINGS
We are not currently a party to any material legal proceedings.
ITEM 1A. RISK FACTORS
There have been no material changes to the risk factors previously disclosed in our Annual Report on Form 10-K for the fiscal year ended December 31, 2021.
ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS
Recent Sales of Unregistered Securities
None.
Issuer Purchases of Equity Securities
The following table provides certain information with respect to purchase of our common stock during the three months ended September 30, 2022:

Period |  | Total Number of Shares Purchased (1) |  | Average Price Paid per Share |  | Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs |  | Maximum Number (or Approximate Dollar Value) of Shares That May Yet Be Purchased Under the Plans or Programs
July 1, 2022 through July 31, 2022 |  | 7,813 |  |  | $ | 10.83 |  |  | — |  |  | — |
August 1, 2022 through August 31, 2022 |  | 119,605 |  |  | $ | 12.03 |  |  | — |  |  | — |
September 1, 2022 through September 30, 2022 |  | 24,715 |  |  | $ | 10.93 |  |  | — |  |  | — |
Total |  | 152,133 |  |  | $ | 11.79 |  |  | — |  |  | — |

______________________________
(1) Represents shares of common stock withheld to satisfy taxes associated with the vesting of restricted stock units

ITEM 3. DEFAULTS UPON SENIOR SECURITIES
None.
ITEM 4. MINE SAFETY DISCLOSURES
None.
ITEM 5. OTHER INFORMATION
None.

ITEM 6. EXHIBITS

Exhibit Number |  | Description |
10.1 |  | Employment Agreement, dated August 1, 2022, by and between the Company and Bradley L. Campbell (incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K filed with the Securities and Exchange Commission on August 1, 2022 |
10.2 |  | Employment Agreement, dated February 23, 2022, by and between the Company and John F. Crowley (incorporated by reference to Exhibit 10.2 to the Company’s Current Report on Form 8-K filed with the Securities and Exchange Commission on February 24, 2022) |
31.1 |  | Certification of Principal Executive Officer pursuant to Rules 13a-14 and 15d-14 promulgated pursuant to the Securities Exchange Act of 1934, as amended |
31.2 |  | Certification of Principal Financial Officer pursuant to Rules 13a-14 and 15d-14 promulgated pursuant to the Securities Exchange Act of 1934, as amended |
32.1 |  | Certification of Principal Executive Officer and Principal Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 |
101.INS |  | Inline XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document |
101.SCH |  | Inline XBRL Taxonomy Extension Schema Document |
101.CAL |  | Inline XBRL Taxonomy Extension Calculation Linkbase Document |
101.LAB |  | Inline XBRL Taxonomy Extension Label Linkbase Document |
101.PRE |  | Inline XBRL Taxonomy Extension Presentation Linkbase Document |
101.DEF |  | Inline XBRL Taxonomy Extension Definition Linkbase Document |
104 |  | Cover Page Interactive Data File (formatted in Inline XBRL and included in Exhibit 101) |

SIGNATURES
Pursuant to the requirements of the Securities and Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

|  | AMICUS THERAPEUTICS, INC.
Date: | November 7, 2022 | By: | /s/ Bradley L. Campbell
|  |  | Bradley L. Campbell
|  |  | President and Chief Executive Officer
|  |  | (Principal Executive Officer)
Date: | November 7, 2022 | By: | /s/ Daphne Quimi
|  |  | Daphne Quimi
|  |  | Chief Financial Officer
|  |  | (Principal Financial Officer)
|  |  | (Principal Accounting Officer)