CAPITAL STOCK |
3 Months Ended |
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Mar. 31, 2026 | |
| Equity [Abstract] | |
| CAPITAL STOCK | CAPITAL STOCK Authorized and Outstanding Capital Stock As of March 31, 2026, the authorized capital stock of the Company included 350,000,000 shares of common stock, $0.00001 par value per share, of which 267,898,415 and 265,424,818 shares were issued and outstanding as of March 31, 2026 and December 31, 2025, respectively; and 25,000,000 shares of undesignated preferred stock, $0.00001 par value per share, of which no shares were issued and outstanding as of March 31, 2026 and December 31, 2025. At-the-Market Facility On September 3, 2024, in connection with the filing of a new shelf registration statement on Form S-3, the Company filed a prospectus related to the Company's amended and restated sales agreement (which amended and restated the Original Sales Agreement), with Jefferies, as the Company’s sales agent, pursuant to which the Company is able to offer and sell up to $75.0 million of its common stock at current market prices from time to time. Since September 12, 2024 (the date the Company’s shelf registration statement on Form S-3 went effective) through December 31, 2025, the Company sold 23,708,995 shares of its common stock under this program with gross proceeds of $43.0 million ($42.2 million, net of offering expenses). During the three months ended March 31, 2026, the Company did not sell any shares of its common stock under this program. Public Offering On March 19, 2025, the Company entered into an underwriting agreement, or the Underwriting Agreement, with Leerink Partners LLC and Piper Sandler & Co., as representatives of the several underwriters named therein, collectively, the Underwriters, relating to an underwritten public offering, or the Offering, of 25,000,000 shares, or the Shares, of the Company's common stock. The offering price was $2.00 per share, and the Underwriters agreed to purchase the Shares from the Company pursuant to the Underwriting Agreement at a price of $1.88 per share. Under the terms of the Underwriting Agreement, the Company granted the Underwriters a 30-day option to purchase up to 3,750,000 additional shares of common stock, or the Additional Shares, at the public offering price per share, and the Underwriters partially exercised their option and purchased 850,000 Additional Shares on April 22, 2025. Net proceeds from the Offering were $46.5 million, after deducting underwriting discounts and commissions and offering expenses and net proceeds from the Offering of the Additional Shares were $1.6 million, after deducting underwriting discounts and commissions and offering expenses. Unregistered Common Stock In connection with the Vifor License Agreement, CSL Vifor owns 7,571,429 shares of common stock that are unregistered under the Securities Act. See Note 8, Liability Related to Settlement Royalties, Working Capital Fund Liability and Liability Related to Sale of Future Royalties, for more information. Warrants to Purchase Common Stock In connection with the BlackRock Credit Agreement, described in more detail in Note 7, Indebtedness, the Company issued a warrant to purchase 3,076,923 shares of the Company’s common stock, at an exercise price per share of $1.30, and upon the borrowing of Tranche C in February 2025, the Company issued additional warrants to purchase 1,153,846 shares of the Company’s common stock at an exercise price per share of $1.30. Each warrant is exercisable for eight years from the date of issuance. The warrants and the common stock issuable upon the exercise of such warrants were not registered under the Securities Act. Accordingly, the holder thereof may only sell common stock issued upon exercise of such warrants pursuant to an effective registration statement under the Securities Act covering the resale of those shares, an exemption under Rule 144 under the Securities Act or another applicable exemption under the Securities Act. On July 21, 2025, the Warrant Holder exercised its option to purchase 2,115,384 shares of the Company's common stock under the Initial Warrant on a cashless basis at an exercise price per share of $1.30. The cashless exercise allowed the Warrant Holder to convert the warrants into shares of the Company's common stock without the need for a cash payment. Instead of paying cash upon exercise, the Warrant Holder received a reduced number of shares based on a predetermined formula. On July 23, 2025, as a result of the cashless exercise, the Company issued 1,408,588 shares of common stock to the Warrant Holder under the Initial Warrant.
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