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Convertible Preferred Stock | 9 Months Ended
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Sep. 30, 2025
Equity [Abstract] |
Convertible Preferred Stock |
9. | Convertible Preferred Stock
In December 2022, Catalyst issued an aggregate of 12,340 shares of Convertible Preferred Stock to GNI Japan and GNI Hong Kong Limited (“GNI HK”) in connection with the F351 (“Hydronidone”) Asset Acquisition (see Note 1 — Organization and Nature of Operations in the Annual Report), which were subsequently transferred to GNI USA in October 2023. In October 2023, immediately following the closing of the Contributions, the Company issued 811 shares of Convertible Preferred Stock and 811 Preferred Stock Warrants to GNI USA under the Private Placement. For additional information, see Note 3 — Fair Value Measurements and Financial Instruments. In November 2023, GNI USA provided notice to the Company to convert its 13,151 shares of Convertible Preferred Stock. Each share of Convertible Preferred Stock was convertible into approximately 666.67 shares of common stock. On January 22, 2024, subject to the terms and conditions of the Convertible Preferred Stock Certificate of Designation, 8,767,332 shares of common stock were issued to GNI USA upon such conversion.

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- Definition The entire disclosure for terms, amounts, nature of changes, rights and privileges, dividends, and other matters related to preferred stock. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 480 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479857/480-10-S50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/505/tableOfContent + Details
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