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Common Stock | 12 Months Ended
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Dec. 31, 2021
Equity [Abstract] |
Common Stock |
(8) | Common Stock
The Company’s common stock has the following characteristics:
| • | The holders of shares of common stock are entitled to one vote for each share of common stock held at all meetings of stockholders.
| • | The holders of shares of common stock are entitled to receive dividends, if and when, declared by the Company’s board of directors. Since inception, no cash dividends have been declared.
In June 2019, the Company issued to Ginkgo Bioworks, Inc. (Ginkgo) 6,340,771 shares of common stock and accompanying Pre-Funded Warrants (the Pre-Funded Warrants) to purchase up to an aggregate of 2,548,117 shares of common stock, at a combined purchase price per share and Pre-Funded Warrant of $9.00. The Pre-Funded Warrants have an exercise price of $9.00 per share, with $8.99 of such exercise price paid at the closing of the offering. The proceeds, net of issuance costs, were approximately $79.9 million, $57.0 million related to the proceeds from sale of the common stock and $22.9 million related to the proceeds from sale of the Pre-Funded Warrants. The Pre-Funded Warrants may be exercised at any time until all of the Pre-Funded Warrants are exercised in full to the extent that, after giving effect to such issuance after exercise, Ginkgo would not beneficially own in excess of 19.99% of the number of shares of common stock outstanding immediately after giving effect to the issuance. The Pre-Funded Warrants were classified as a component of permanent equity and were recorded at the issuance date using a relative fair value allocation method. The Pre-Funded Warrants are equity classified because they are freestanding financial instruments that are legally detachable and separately exercisable from the equity instruments, are immediately exercisable, do not embody an obligation for the Company to repurchase its shares, and permit the holders to receive a fixed number of common shares upon exercise. In addition, such warrants do not provide any guarantee of value or return. In addition, in connection with the issuance to Ginkgo of common stock and Pre-Funded Warrants, the Company expanded its existing collaboration and entered into an agreement with Ginkgo for the research and development of engineered microbial therapeutic products. None of the Pre-Funded Warrants have been exercised as of December 31, 2021. (See Note 10, Collaboration Agreements: Ginkgo Collaboration). On October 13, 2017, the Company entered into a sales agreement with Cowen and Company, LLC (Cowen) with respect to an at-the-market (ATM) offering program. In an ATM offering, exchange-listed companies incrementally sell newly issued shares into the secondary trading market through a designated broker-dealer at prevailing market prices. During the year ended December 31, 2021, 2,447,211 shares of common stock were sold pursuant to the ATM, resulting in net proceeds of approximately $8.0 million. There were no sales pursuant to the Cowen ATM subsequent to March 31, 2021. In July 2021, the Company entered into a new sales agreement with Jefferies, LLC (Jefferies) with respect to an ATM, under which the Company may offer and sell, from time to time at its sole discretion, shares of its common stock having aggregate sales proceeds of up to $50.0 million. Jefferies is not required to sell any specific amount but acts as the Company’s sales agent using commercially reasonable efforts consistent with its normal trading and sales practices. During the year ended December 31, 2021, no shares of common stock were sold pursuant to the sales agreement with Jefferies. In April 2021, the Company sold 11,500,000 shares of its common stock at a public offering price of $3.00 per share pursuant to an underwritten public offering. The net proceeds to the Company from the offering, after deducting the underwriting discounts and commissions and offering expenses payable by the Company, were approximately $32.6 million. All shares of common stock sold in the offering were sold by the Company. In September 2021, the Company sold 17,250,000 shares of its common stock at a public offering price of $3.00 per share pursuant to an underwritten public offering. The net proceeds to the Company from the offering, after deducting the underwriting discounts and commissions and offering expenses payable by the Company, were approximately $48.4 million. All shares of common stock sold in the offering were sold by the Company. The Company has reserved for future issuance the following shares of common stock related to the potential exercise of Pre-Funded Warrants, exercise of stock options, and the employee stock purchase plan:
| December 31, 2021 |
Common stock issuable under pre-funded warrants |  | 2,548,117 |
Options exercisable to purchase common stock |  | 2,032,515 |
Employee Stock Purchase Plan |  | 21,569 |
Total |  | 4,602,201 |

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 14 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 16 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496180-112644 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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