Welcome to our dedicated page for AN2 Therapeutics SEC filings (Ticker: ANTX), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
AN2 Therapeutics, Inc. filings document the regulatory record of a Nasdaq-listed clinical-stage biopharmaceutical company developing small-molecule therapeutics from a boron chemistry platform. Its disclosures cover common stock registration, operating and financial results, clinical and regulatory updates, risk factors and material events related to its development pipeline.
ANTX filings also include proxy materials for director elections and auditor ratification, 8-K reports on material agreements, equity and warrant financing arrangements, at-the-market sale agreements, equity incentive plan matters, option repricing, officer appointments, governance changes and capital-structure disclosures.
AN2 Therapeutics, Inc. shareholder Eric Easom reports beneficial ownership of 2,232,004 shares of common stock, representing 7.9% of the class. This percentage is based on 27,402,024 shares outstanding as of November 3, 2025, as disclosed in the company’s Quarterly Report on Form 10-Q.
The position includes 36,880 shares held directly, 1,259,882 shares held by various family trusts where Easom serves as trustee, 61,063 restricted stock units scheduled to vest within 60 days of December 31, 2025, and 874,179 stock options that are vested or will vest within the same 60-day period. Easom reports sole voting and dispositive power over all 2,232,004 shares and no shared voting or dispositive authority.
AN2 Therapeutics’ Principal Accounting Officer, Sarah Joanne Williams, filed an initial statement of beneficial ownership as of January 26, 2026. She directly holds 18,800 shares of common stock, which include remaining restricted stock units (RSUs) that vest over four-year schedules beginning May 28, 2024 and January 1, 2025.
Williams also holds stock options to purchase 21,875 shares at $1.13 per share, expiring on February 25, 2035, and options for 23,700 shares at $2.07 per share, expiring on June 16, 2034. These options vest gradually over four years, subject to her continued service with the company.
AN2 Therapeutics, Inc. reports leadership and compensation changes in its finance organization. The Board appointed Sarah Williams as Vice President, Controller and Principal Accounting Officer, effective February 1, 2026, succeeding Lucy Day in the principal accounting role while Ms. Day remains Chief Financial Officer and Principal Financial Officer.
Williams, a CPA with prior roles at Gritstone Bio, Bio-Rad, BDO USA and Crowe Horwath, will receive an annual base salary of $310,000 and a target bonus equal to 30% of base salary, and will participate in the company’s standard indemnity and severance arrangements. Under an amended employment agreement reflecting cost-savings efforts, Ms. Day’s annual base salary is set at $335,400 through March 2026 and will decrease to $223,600 beginning April 1, 2026, with eligibility for 50% of severance benefits under the Officer Severance Plan if involuntarily terminated not in connection with a change in control. Her outstanding equity awards continue to vest while she provides services.
AN2 Therapeutics director Kabeer Aziz received 11,560 shares of common stock on January 12, 2026 as equity compensation. The shares were issued in lieu of cash under the company’s non-employee director compensation policy and all of them vest immediately. Following this grant, Aziz directly holds 52,479 shares of AN2 Therapeutics common stock.
In addition, entities associated with Aziz hold significant indirect positions. Adjuvant Global Health Technology Fund, L.P. holds 1,995,958 shares and Adjuvant Global Health Technology Fund DE, L.P. holds 377,542 shares, with their general partners and management entities involved in voting and dispositive power. Each person and entity, including Aziz, disclaims beneficial ownership of these indirectly held shares except to the extent of any pecuniary interest.
AN2 Therapeutics director Patricia A. Martin received 3,650 shares of common stock on 01/12/2026 as equity compensation. The shares were issued in lieu of cash under the company’s non-employee director compensation policy and all of them vest immediately, meaning there is no waiting period before they belong to her. Following this grant, Martin beneficially owns 16,905 shares of AN2 Therapeutics common stock, held directly.
AN2 Therapeutics director Gilbert Lynn Marks reported a stock-based compensation grant of 11,560 shares of common stock on January 12, 2026. The shares were issued at a price of $0.00 per share under the company’s non-employee director compensation policy, in lieu of cash fees. According to the disclosure, all of these shares vest immediately.
Following this transaction, Marks directly beneficially owns 75,309 shares of AN2 Therapeutics common stock. The filing characterizes this as a routine equity grant for board service rather than an open-market purchase or sale.
AN2 Therapeutics, Inc. Chief Financial Officer Lucy Day reported two sales of company common stock. On January 5, 2026, she sold 3,295 shares at $1.003 per share, and on January 6, 2026, she sold 5,512 shares at $1.012 per share. According to the disclosure, these sales were made under the terms of the equity grant to satisfy tax withholding obligations arising from the vesting of restricted stock units on January 1, 2026.
After these transactions, Day directly holds 75,363 shares of AN2 Therapeutics common stock. Her equity awards also include 27,500 RSUs that vest in four annual installments starting January 1, 2024, and 46,500 RSUs that vest in four annual installments starting January 1, 2025, in each case subject to her continued service. The reported total reflects a prior purchase of 5,000 shares through the company’s employee stock purchase plan on September 30, 2025.
AN2 Therapeutics Chief Strategy Officer Stephen David Prior reported two small stock sales related to tax withholding on recently vested equity awards. On January 5, 2026, he sold 3,604 shares of common stock at $1.003 per share, and on January 6, 2026 he sold 2,858 shares at $1.012 per share. The filing explains that these sales were made under the terms of the grant to satisfy tax withholding obligations arising from the vesting of restricted stock units on January 1, 2026. After the January 6 transaction, he beneficially owned 59,086 shares of common stock directly.
The filing also notes ongoing equity incentives: 10,125 RSUs vest over four years from November 4, 2024, 17,500 RSUs follow a schedule through January 1, 2026, and 28,000 RSUs vest over four years from January 1, 2025, in each case subject to continued service.
AN2 Therapeutics Chief Development Officer Sanjay Chanda reported two sales of AN2 Therapeutics common stock. On January 5, 2026, he sold 3,295 shares at $1.003 per share, and on January 6, 2026, he sold 5,956 shares at $1.012 per share. A footnote states these shares were sold under the terms of the grant to satisfy tax withholding obligations arising from the vesting of Restricted Stock Units (RSUs) on January 1, 2026, rather than as discretionary open‑market sales.
After these transactions, Chanda beneficially owned 75,823 shares of common stock directly. This amount includes 27,500 RSUs that vest annually in four equal parts from January 1, 2024, and 50,250 RSUs that vest annually in four equal parts from January 1, 2025, in each case subject to his continued service. The total also reflects a prior purchase of 5,000 shares under the company’s Employee Stock Purchase Plan on September 30, 2025.
AN2 Therapeutics officer reports small stock sales tied to RSU taxes. Chief Operating Officer and Chief Legal Officer Joshua M. Eizen reported selling 17,923 shares of AN2 Therapeutics common stock on January 5, 2026 at a weighted average price of $1.0014 per share, followed by 6,931 shares on January 6, 2026 at $1.012 per share. According to the footnotes, these shares were sold pursuant to the terms of the equity grant to satisfy tax withholding obligations arising from the vesting of Restricted Stock Units on January 1, 2026. After the reported transactions, Eizen directly beneficially owned 152,499 shares of common stock, which include multiple RSU awards that vest over several years, subject to his continued service.