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Subsequent Event | 3 Months Ended
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Mar. 31, 2023
Subsequent Events [Abstract] |
Subsequent Event | 11. Subsequent Event Debt Financing Agreement On April 29, 2023, FibroGen entered into a financing agreement (“Financing Agreement”) with investment funds managed by Morgan Stanley Tactical Value, as lenders (the “Lenders”), and Wilmington Trust, National Association, as the administrative agent (the “Administrative Agent”), providing for senior secured term loan facilities consisting of (i) a $75.0 million initial term loan (the “Initial Term Loan”), (ii) a $37.5 million delayed draw term loan that will be funded upon the achievement of certain clinical development milestones (“Delayed Draw Term Loan 1”) and, (iii) an uncommitted delayed draw term loan of up to $37.5 million to be funded at the Lenders sole discretion, (“Delayed Draw Term Loan 2” and, together with the Initial Term Loan and Delayed Draw Term Loan 1, the “Term Loans”). Pursuant to the Financing Agreement, the Lenders (i) shall fund the Initial Term Loan by May 8, 2023, (ii) shall fund the Delayed Draw Term Loan 1 within 24 business days from the date of achievement of certain clinical development milestones but no later than August 31, 2023 and, (iii) at their discretion, shall provide Delayed Draw Term Loan 2 on or prior to August 31, 2023, whether or not such clinical development milestones are achieved. The Term Loans shall accrue interest at a rate of 14.0% per annum, payable monthly in arrears. The Term Loans shall mature on May 8, 2026. The Term Loans will not be subject to amortization payments. The Company is permitted to prepay the Term Loans from time to time, in whole or in part, subject to payment of a make-whole amount equal to the unpaid principal amount of the portion of the Term Loans being repaid or prepaid, plus accrued and unpaid interest of the portion of the Term Loans being repaid or prepaid, plus an amount equal to the remaining scheduled interest payments due on such portion of the Term Loans being repaid or prepaid as if such Term Loans were to remain outstanding until the scheduled maturity date. During the term of the Term Loans, the Company is required to maintain a minimum balance of $30.0 million of unrestricted cash and cash equivalents held in accounts in the United States, tested monthly on each interest payment date (after netting the monthly interest payment then due). In addition, while any portion of the Term Loans or any other obligations under the Financing Agreement remain outstanding, the Company must comply with certain customary affirmative and negative covenants set forth in the Financing Agreement and related loan documents, including, without limitation, restrictions or limitations on: incurrence of further indebtedness or liens, acquisitions and other investments, breach or material default under certain material contracts, dividends, distributions and stock buy-backs, negative pledges, sales, transfers, licenses or other disposition of assets (including core intellectual property), prepayment of other indebtedness, and transactions with affiliates, in each case, subject to thresholds and exceptions set forth in the Financing Agreement and related loan documents. The Financing Agreement provides for customary events of default triggers, including, without limitation, non-payment, breach of covenants (including the minimum cash covenant described above), material misrepresentation, cross-default to other material indebtedness of the Company or its subsidiaries (or the imposition of a material event of default fee or similar payment under a royalty monetization transaction), commencement of voluntary or involuntary bankruptcy proceedings, material judgments, change of control, invalidity of loan documents, certain ERISA events, certain regulatory events and failure to draw any portion of the Delayed Draw Term Loan 1 when funded by the Lenders. Upon an event of default, the Administrative Agent may, and at the direction of the majority Lenders shall, accelerate all outstanding obligations of the Company under the Financing Agreement and related loan documents, terminate all outstanding funding commitments and/or exercise remedies available at law or equity or under contract for secured creditors. The Term Loans and all other obligations of the Company under the Financing Agreement and related loan documents are guaranteed by each of the Company’s current and future, direct and indirect, subsidiaries, with certain exceptions (including an exclusion for any Chinese subsidiary of the Company). The Term Loans are secured by substantially all assets of the Company and the guarantors, subject to customary exceptions. Exclusive License and Option to Acquire Fortis Therapeutics On May 5, 2023, the Company entered into an exclusive option agreement to acquire Fortis Therapeutics (“Fortis”) with its novel Phase 1 antibody-drug conjugate, FOR46, that targets a novel epitope on CD46 preferentially expressed on certain cancer cells. FOR46 is in development for the treatment of metastatic castration-resistant prostate cancer with potential applicability in other solid tumors and hematologic malignancies. Pursuant to an evaluation agreement entered into with Fortis concurrent with the option agreement, FibroGen has exclusively licensed FOR46 and will control and fund future research, development, including a Phase 2 clinical study sponsored by FibroGen, and manufacturing of FOR46 during the four-year option period. As part of the clinical development strategy, FibroGen will continue the work to develop a PET-based biomarker utilizing a radiolabeled version of the targeting antibody (“PET46”) for patient selection. FibroGen will pay Fortis $5.0 million during the four-year option period in support of their continued development obligations. If FibroGen exercises the option to acquire Fortis, it will pay Fortis $80.0 million, and thereafter, Fortis would be eligible to receive from FibroGen up to $200.0 million in contingent payments associated with the achievement of various regulatory approvals. If FibroGen acquires Fortis, it would also be responsible to pay UCSF, an upstream licensor to Fortis, development milestone fees and a single digit royalty on net sales of therapeutic or diagnostic products arising from the collaboration. If FibroGen chooses not to acquire Fortis, its exclusive license to FOR46 would expire.

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- Definition The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 855 -URI https://asc.fasb.org/topic&trid=2122774 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 855 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662 + Details
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