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Royalty Financing Obligations | 12 Months Ended
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Dec. 31, 2024
Advance Royalties [Abstract] |
Royalty Financing Obligations | Royalty Financing Obligations ORLADEYO and Factor D Inhibitors On December 7, 2020, the Company and RPI 2019 Intermediate Finance Trust (“RPI”) entered into a Purchase and Sale Agreement (the “2020 RPI Royalty Purchase Agreement”), pursuant to which the Company sold to RPI the right to receive certain royalty payments from the Company for a purchase price of $125,000 in cash (the “2020 RPI Royalty Sale”). Under the 2020 RPI Royalty Purchase Agreement, RPI is entitled to receive tiered, sales-based royalties on net product sales of ORLADEYO in the United States and certain key European markets (collectively, the “Key Territories”), and other markets where the Company sells ORLADEYO directly or through distributors (collectively, the “Direct Sales”) in an amount equal to: (i) 8.75% of aggregate annual net sales of ORLADEYO for annual net sales up to $350,000 and (ii) 2.75% of annual net sales for annual net sales between $350,000 and $550,000. No royalty payments are payable on annual Direct Sales over $550,000. Under the 2020 RPI Royalty Purchase Agreement, RPI is also entitled to receive a tiered revenue share on ORLADEYO sublicense revenue or net sales by licensees outside of the Key Territories (the “Other Markets”) equal to: (i) 20% of the proceeds received by the Company for upfront license fees and development milestones for ORLADEYO in the Other Markets, (ii) 20% of proceeds received on annual net sales of up to $150,000 in the Other Markets, and (iii) 10% of proceeds received by the Company on annual net sales between $150,000 and $230,000 in the Other Markets. No royalty payments are payable on annual net sales above $230,000 in the Other Markets. On November 19, 2021, the Company and RPI entered into (i) a Purchase and Sale Agreement (the “2021 RPI Royalty Purchase Agreement” and together with the 2020 RPI Royalty Purchase Agreement, the “RPI Royalty Purchase Agreements”), pursuant to which the Company sold to RPI the right to receive certain royalty payments from the Company for a purchase price of $150,000 in cash, and (ii) a Purchase and Sale Agreement with OCM IP Healthcare Holdings Limited, an affiliate of OMERS Capital Markets (“OMERS”) (the “OMERS Royalty Purchase Agreement” and collectively with the RPI Royalty Purchase Agreements, the “Royalty Purchase Agreements”), pursuant to which the Company sold to OMERS the right to receive certain royalty payments from the Company for a purchase price of an additional $150,000 in cash. Under the 2021 RPI Royalty Purchase Agreement, RPI is entitled to receive tiered, sales-based royalties on Direct Sales in an amount equal to: (i) 0.75% of aggregate annual net sales of ORLADEYO for annual net sales up to $350,000 and (ii) 1.75% of annual net sales of ORLADEYO for annual net sales between $350,000 and $550,000. No royalty payments are payable on Direct Sales over $550,000. RPI is also entitled to receive a tiered revenue share on ORLADEYO sublicense revenue or net sales by licensees in the Other Markets in an amount equal to (i) 3.0% of proceeds received by the Company on annual net sales of up to $150,000 in the Other Markets and (ii) 2.0% of proceeds received by the Company on annual net sales between $150,000 and $230,000 in the Other Markets. No royalty payments are payable on annual net sales above $230,000 in the Other Markets. Under the 2021 RPI Royalty Purchase Agreement, RPI is also entitled to receive tiered, sales-based royalties on net product sales of BCX10013 in an amount equal to: (i) 3.0% of worldwide aggregate annual net sales up to $1,500,000 and (ii) 2.0% of worldwide aggregate annual net sales between $1,500,000 and $3,000,000. No royalty payments are payable on annual net sales above $3,000,000. RPI is also entitled to receive tiered profit share amounts of up to 3.0% from certain other permitted sales in certain other markets. On August 5, 2024, the Company announced that it plans to discontinue development of BCX10013. The royalties payable under the 2021 RPI Royalty Purchase Agreement are in addition to the royalties payable to RPI under the 2020 RPI Royalty Purchase Agreement. Under the OMERS Royalty Purchase Agreement, for the calendar quarter beginning October 1, 2023, OMERS was entitled to receive tiered, sales-based royalties on Direct Sales in an amount equal to: (i) 7.5% of aggregate annual net sales of ORLADEYO for annual net sales up to $350,000 and (ii) 6.0% of annual net sales of ORLADEYO for annual net sales between $350,000 and $550,000 (with no royalty payments payable on annual Direct Sales over $550,000). Commencing with the calendar quarter beginning January 1, 2024, OMERS is entitled to receive tiered, sales-based royalties on Direct Sales in an amount equal to: (i) 10.0% of aggregate annual net sales of ORLADEYO for annual net sales up to $350,000 and (ii) 3.0% of annual net sales of ORLADEYO for annual net sales between $350,000 and $550,000 (with no royalty payments payable on annual Direct Sales over $550,000). Under the OMERS Royalty Purchase Agreement, OMERS is also entitled to receive a tiered revenue share on ORLADEYO sublicense revenue or net sales by licensees in the Other Markets in an amount equal to: (i) 20.0% of the proceeds received by the Company for upfront license fees and development milestones for ORLADEYO in the Other Markets, (ii) 20.0% of proceeds received by the Company on annual net sales of up to $150,000 in the Other Markets, and (iii) 10.0% of proceeds received by the Company on annual net sales between $150,000 and $230,000 in the Other Markets. No royalty payments are payable on annual net sales above $230,000 in the Other Markets. OMERS is also entitled to receive profit share amounts of up to 10% from certain other permitted sales in certain other markets. Under the 2020 RPI Royalty Purchase Agreement, the Company is required to make royalty payments of amounts owed to RPI each calendar quarter following the first commercial sale of ORLADEYO in any country. Under the 2021 RPI Royalty Purchase Agreement, the Company is required to make payments to RPI in respect of net sales or sublicense revenue in each calendar quarter from and after October 1, 2021. Under the OMERS Royalty Purchase Agreement, the Company is required to make payments to OMERS in respect of net sales or sublicense revenue in each calendar quarter from and after October 1, 2023. OMERS will no longer be entitled to receive any payments on the date in which aggregate payments actually received by OMERS equals 155.0% of the $150,000 purchase price. The transactions contemplated by each of the Royalty Purchase Agreements are referred to herein as the “Royalty Sales.” Under the Royalty Purchase Agreements, the Company has agreed to specified affirmative and negative covenants, including covenants regarding periodic reporting of information by the Company to RPI and OMERS, third-party audits of royalties paid under the Royalty Purchase Agreements, and restrictions on the ability of the Company or any of its subsidiaries to incur indebtedness other than certain royalty sales and as was permitted to be incurred under the terms of the Athyrium Credit Agreement (as defined in Note 9 herein) through its payoff and termination on April 17, 2023 or, subsequent to that date, the Pharmakon Loan Agreement (as defined in Note 9 herein), as applicable. See “Note 9—Debt” for further details on the Athyrium Credit Agreement and the Pharmakon Loan Agreement. The restrictions under the Royalty Purchase Agreements on the ability of the Company or any of its subsidiaries to incur indebtedness are eliminated after the achievement of certain specified milestones in the Royalty Purchase Agreements. The cash consideration obtained pursuant to the Royalty Purchase Agreements is recorded in “Royalty financing obligations” on the Company’s Consolidated Balance Sheets. The fair value for the royalty financing obligations at the time of the transactions was based on the Company’s estimates of future royalties expected to be paid to the counterparty over the life of the arrangement. The Company subsequently records the obligations at their carrying value using the effective interest method. As of December 31, 2024 and 2023, the carrying value of the royalty financing obligations under the Royalty Purchase Agreements approximated fair value and was measured based on the Company’s current estimates of future payments to RPI and OMERS over the lives of the agreements, which are considered Level 3 inputs. The Company utilizes the prospective method to account for subsequent changes in the estimated future royalties to be paid by the Company to the counterparty over the life of the arrangement. Under the prospective method, a new effective interest rate is determined based on the revised estimate of remaining cash flows. The new rate is the discount rate that equates the present value of the revised estimate of remaining cash flows with the carrying amount of the debt, and it will be used to recognize interest expense for the remaining periods. The Company periodically assesses the amount and timing of expected royalty payments using internal projections of future net product sales, which are based on key assumptions, including paid patients and price. To the extent such payments are greater or less than the Company’s initial estimates or the timing of such payments is materially different than its original estimates, the Company will prospectively adjust the amortization of the royalty financing obligations and the effective interest rate. On a quarterly basis, the Company assesses the projected royalty payments relative to the projected interest accretion for the next twelve months to determine if the royalty liability balance is reduced relative to the current outstanding liability, which would signify a repayment of the principal. In such case of excess payments relative to interest accretion for the next twelve months, the excess payments are considered to be a short-term liability and classified within current liabilities on the Company’s Consolidated Balance Sheets. During the year ended December 31, 2024, there were no significant changes to the amount and timing of expected royalties under the Royalty Purchase Agreements based on the Company’s latest forecasts related to ORLADEYO sales. There was a decrease in the estimated amount and timing of expected royalties under the 2021 RPI Royalty Purchase Agreement based on the Company's latest forecasts for its research and development programs as there are no longer any forecasted future royalties for BCX10013 due to the Company's announced plan to discontinue development of that program. The following table shows the royalty financing obligations activity for the years ended December 31, 2024, 2023, and 2022 (in thousands) as well as the effective interest rate as of December 31, 2024:
| 2020 RPI Royalty Agreement |  | 2021 RPI Royalty Agreement |  | OMERS Royalty Agreement |  | Total
Balance as of December 31, 2021 | $ | 147,224 |  |  | $ | 153,377 |  |  | $ | 148,774 |  |  | $ | 449,375 |
Deferred financing costs | — |  |  | (34) |  |  | — |  |  | (34) |
Non-cash Interest expense on Royalty financing obligations | 39,994 |  |  | 22,239 |  |  | 14,249 |  |  | 76,482 |
Royalty revenues paid and payable | (22,237) |  |  | (1,931) |  |  | — |  |  | (24,168) |
Balance as of December 31, 2022 | $ | 164,981 |  |  | $ | 173,651 |  |  | $ | 163,023 |  |  | $ | 501,655 |
Non-cash Interest expense on Royalty financing obligations | 38,267 |  |  | 14,188 |  |  | 17,901 |  |  | 70,356 |
Royalty revenues paid and payable | (28,768) |  |  | (2,494) |  |  | (9,150) |  |  | (40,412) |
Balance as of December 31, 2023 | $ | 174,480 |  |  | $ | 185,345 |  |  | $ | 171,774 |  |  | $ | 531,599 |
Non-cash Interest expense on Royalty financing obligations | 39,585 |  |  | — |  |  | 16,384 |  |  | 55,969 |
Royalty revenues paid and payable | (33,652) |  |  | (4,205) |  |  | (35,982) |  |  | (73,839) |
Balance as of December 31, 2024 | $ | 180,413 |  |  | $ | 181,140 |  |  | $ | 152,176 |  |  | $ | 513,729 |
Effective interest rate | 21.5 | % |  | — | % |  | 9.9 | % |  |
Deferred financing costs pursuant to the Royalty financing obligations, which consist primarily of advisory and legal fees, totaled $8,532 as of December 31, 2024 and 2023. The Royalty financing obligations liabilities and the associated deferred issuance costs are amortized using the effective interest method over the term of the arrangement. Concurrent with entering into the 2021 RPI Royalty Purchase Agreement, the Company and RPI entered into a Common Stock Purchase Agreement pursuant to which the Company sold common stock to RPI for a premium of $4,269. This premium has been deferred and is being amortized through interest expense using the effective interest method over the term of the applicable arrangement.

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