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.
The AN2 Therapeutics, Inc. (Nasdaq: ANTX) SEC filings page on Stock Titan aggregates the company’s regulatory disclosures as filed with the U.S. Securities and Exchange Commission. AN2 describes itself as a clinical-stage biopharmaceutical company developing novel small molecule therapeutics from its boron chemistry platform, with programs in Chagas disease, melioidosis, NTM lung disease caused by Mycobacterium abscessus, and oncology targets.
Periodic and current reports such as Forms 10-K, 10-Q, and 8-K provide detail on AN2’s research and development expenses, cash position, and progress across its pipeline. For example, recent Form 8-K filings reference press releases reporting quarterly financial results, including operating expenses and net loss, and describe how the company is advancing clinical trials and collaborations. These documents help investors understand how AN2 funds and prioritizes its infectious disease and oncology programs.
Regulatory filings can also disclose capital structure changes. A Form 8-K describes AN2’s issuance of pre-funded warrants in exchange for common stock to an institutional investor, including key terms such as exercise price and beneficial ownership limitations. Such filings give insight into how the company structures financing while managing ownership thresholds.
On this page, users can access AN2’s annual reports (Form 10-K) and quarterly reports (Form 10-Q) once filed, along with current reports (Form 8-K) that cover material events, collaborations, and financial updates. AI-powered summaries on Stock Titan are designed to highlight the main points in lengthy filings, helping readers quickly identify items related to clinical development, cash runway, or capital transactions without reading every line.
Investors interested in AN2’s ongoing work in Chagas disease, melioidosis, NTM lung disease, tuberculosis collaborations, and oncology targets can use the filings page to review the company’s official disclosures and track how its boron chemistry platform is reflected in its regulatory reporting.
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.
AN2 Therapeutics (ANTX) filed its Q3 2025 10‑Q reporting lower losses and steady liquidity. For the quarter, operating expenses were $10.0 million, driven by $7.0 million in research and development and $3.0 million in general and administrative costs. Interest income of $0.7 million partially offset expenses, resulting in a net loss of $9.4 million, or $0.31 per share.
Cash, cash equivalents, and investments totaled $65.1 million, with management stating this is sufficient to fund its operating plan for at least 12 months from the financial statement issuance date. Year‑to‑date, operating cash outflows were $24.6 million, and the nine‑month net loss improved to $26.5 million from $43.8 million a year ago as expenses declined.
The company recorded reductions to research and development expense from non‑dilutive funding, including $3.5 million year‑to‑date from a NIAID contract and $1.5 million from a Gates Foundation grant. In June, 2,952,000 common shares were exchanged for pre‑funded warrants at a nominal exercise price. Shares outstanding were 27,402,024 as of November 3, 2025.
AN2 Therapeutics (ANTX) filed an 8-K to announce it furnished a press release with financial results for the third quarter ended September 30, 2025. The press release is included as Exhibit 99.1 and, as stated, the information under Item 2.02 is being furnished, not filed.
The company lists its principal executive offices at 1300 El Camino Real, Suite 100, Menlo Park, CA 94025, and provides a former address at 1800 El Camino Real, Suite D, Menlo Park, CA 94027.
AN2 Therapeutics (ANTX) insider activity: Chief Operating Officer and Chief Legal Officer Joshua M. Eizen reported selling 2,819 shares of common stock at $1.14 on November 4, 2025, to satisfy tax withholding from RSU vesting. Following the transaction, he beneficially owns 177,353 shares.
The holdings figure includes RSU grants: 31,500 RSUs vesting annually in quarters from November 4, 2024; 22,500 RSUs vesting annually in thirds from January 1, 2025; and 45,000 RSUs with two-thirds vesting on January 1, 2026 and one-third on July 1, 2026, subject to continuous service. The total also reflects the purchase of 5,000 shares under the 2022 ESPP on September 30, 2025.
AN2 Therapeutics (ANTX) reported an insider transaction by Chief Strategy Officer Stephen David Prior. On 11/04/2025, he sold 765 shares of common stock at $1.14 per share, a sale made to satisfy tax withholding from the vesting of RSUs. Following this transaction, he beneficially owned 65,548 shares.
His equity includes 10,125 RSUs that vest 1/4 annually over four years from November 4, 2024, and 12,031 RSUs that vest on January 1, 2026, each contingent on continued service. The holdings also reflect the purchase of 5,000 shares under the 2022 Employee Stock Purchase Plan on September 30, 2025.
AN2 Therapeutics (ANTX) reported a director’s acquisition of 10,367 shares of common stock on 10/10/2025 via Form 4. The shares were issued in lieu of cash compensation under the company’s non‑employee director policy, and all shares vest immediately. The transaction was coded A and reported at a price of $0. Following this transaction, the director beneficially owned 63,749 shares, held directly.
AN2 Therapeutics (ANTX) reported an insider transaction on a Form 4. Director Kabeer Aziz received 10,367 shares of common stock on 10/10/2025 as equity in lieu of cash under the non‑employee director compensation policy; all shares vest immediately at a reported price of $0.
Following the transaction, Aziz directly holds 40,919 shares. The filing also lists indirect holdings of 1,995,958 shares through Adjuvant Global Health Technology Fund, L.P. and 377,542 shares through Adjuvant Global Health Technology Fund DE, L.P., with standard disclaimers that beneficial ownership is disclaimed except to the extent of pecuniary interest.
AN2 Therapeutics (ANTX) reported an insider equity grant. Director Patricia A. Martin acquired 3,274 shares of common stock on 10/10/2025, issued in lieu of cash compensation under the company’s non-employee director compensation policy. The filing states these shares vest immediately. After this transaction, Martin beneficially owns 13,255 shares, held directly. The transaction price is shown as $0, reflecting a stock award rather than an open-market purchase.
AN2 Therapeutics (ANTX) reported interim results showing continued clinical progress and a tighter cash position. Total cash, cash equivalents and investments were $71.2 million as of June 30, 2025, with cash and cash equivalents of $18.22 million and short- and long-term investments of $44.70 million and $8.30 million, respectively. Management believes these resources are sufficient to fund the company’s current operating plan for at least 12 months.
The company recorded a $17.1 million net loss for the six months ended June 30, 2025 (versus $31.1 million in the comparable 2024 period), driven by research and development and general and administrative expenses. AN2 advanced AN2-502998 into Phase 1 start-up activities and completed dosing of the first single ascending dose cohort (reported events in May and August 2025). Funding arrangements include government and foundation awards, but a NIAID contract was reduced by $9.0 million to a cumulative $9.3 million commitment. The company continues to rely on external financing and grants while it advances multiple boron-chemistry programs.
AN2 Therapeutics reported that it issued a press release announcing its financial results for the second quarter ended June 30, 2025. The press release is furnished as Exhibit 99.1 and is incorporated by reference into this Form 8-K. The filing states that the information in Item 2.02 and Item 9.01 (including Exhibit 99.1) is furnished and shall not be deemed "filed" under Section 18 of the Exchange Act, and will not be incorporated by reference in other filings except by specific reference. The report is dated August 12, 2025 and is signed by Chief Executive Officer Eric Easom.