Welcome to our dedicated page for Phathom Pharmaceuticals SEC filings (Ticker: PHAT), 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.
Phathom Pharmaceuticals, Inc. filings document financial reporting, governance, capital structure and product-development disclosures for a Nasdaq-listed biopharmaceutical company focused on gastrointestinal diseases. Form 8-K reports include quarterly and annual results, preliminary financial information, material agreements, financing-related updates, and other event disclosures tied to VOQUEZNA® commercialization and clinical development.
Proxy materials cover board matters, executive compensation, equity awards and shareholder voting items. The filing record also describes registered common stock, risk-oriented forward-looking statements, and clinical or publication updates involving VOQUEZNA in GERD, non-erosive reflux disease and eosinophilic esophagitis.
Phathom Pharmaceuticals appointed Sanjeev Narula as its Chief Financial and Business Officer and principal financial officer, effective October 6, 2025, replacing Robert Breedlove in the principal financial officer role while he remains principal accounting officer. Mr. Narula will receive an initial annual base salary of $550,000 and be eligible for an annual target bonus equal to 50% of base salary, with a prorated bonus opportunity for 2025.
His employment agreement provides severance if he is terminated without cause or resigns for good reason, including up to 9 months of base salary, a prorated target bonus, certain unpaid bonuses, company-paid COBRA premiums during the severance period, and partial acceleration of time-based equity awards. If such a termination occurs within the defined change in control period, the severance period increases to 18 months, the cash bonus multiple increases to 1.5x target bonus, and all unvested time-based equity awards vest in full, with performance-based awards governed by their own terms.
On October 6, 2025, Phathom granted Mr. Narula stock options to purchase 200,000 shares of common stock vesting over four years and 144,000 restricted stock units vesting in three annual installments, all under the company’s 2019 Incentive Award Plan and subject to continued employment.
Steven L. Basta, President and CEO and a director of Phathom Pharmaceuticals, Inc. (PHAT), reported stock and derivative transactions on Form 4. On 09/25/2025 he acquired 90,000 shares of common stock upon vesting of performance stock units granted 04/03/2025; those 90,000 shares were reported as acquired at $0 and increased his direct beneficial ownership to 90,000 shares. The filing also shows the surrender of 48,375 shares to the issuer to cover tax withholding at a price of $11.66 per share, leaving 41,625 shares after that disposition. The reporting person holds 270,000 shares underlying performance stock units after the reported vesting event, reflecting a grant of 360,000 PSUs on 04/03/2025 of which 90,000 vested due to achievement of a stock-price hurdle. The remaining PSUs vest upon future stock-price hurdles through four years from the grant, subject to continued service.
Insider transaction summary for Phathom Pharmaceuticals (PHAT): On 09/05/2025 Robert Charles Breedlove, listed as Principal Accounting Officer and an officer/director, disposed of 461 shares of Phathom common stock at $12.09 per share to satisfy tax withholding obligations arising from the settlement of restricted stock units. After the reported sale, Mr. Breedlove beneficially owned 47,931 shares directly and 6,945.4 shares indirectly through a 401(k) account. The Form 4 was signed on 09/09/2025 and indicates the transaction code S(1) with the provided explanation that the sale was to cover tax withholding on RSU settlement.
Phathom Pharmaceuticals (PHAT) received a joint Schedule 13G/A filed by a group of Carlyle-related entities and Abingworth entities disclosing shared beneficial ownership of 3,496,808 shares of Phathom common stock, representing 4.9% of the class based on 70,943,708 shares outstanding as of August 4, 2025. The filing lists the reporting persons, their jurisdictions, and that Abingworth Bioventures 8 LP holds 2,061,702 shares and Abingworth Bioventures VII LP holds 1,435,106 shares of record. The statement notes that, solely due to dilution from additional issuances by the issuer, the Reporting Persons no longer beneficially own more than 5% of outstanding common stock. Signatures from authorized representatives for each reporting entity and a referenced Joint Filing Agreement are included.
Phathom Pharmaceuticals (PHAT) received a joint Schedule 13G/A filed by a group of Carlyle-related entities and Abingworth entities disclosing shared beneficial ownership of 3,496,808 shares of Phathom common stock, representing 4.9% of the class based on 70,943,708 shares outstanding as of August 4, 2025. The filing lists the reporting persons, their jurisdictions, and that Abingworth Bioventures 8 LP holds 2,061,702 shares and Abingworth Bioventures VII LP holds 1,435,106 shares of record. The statement notes that, solely due to dilution from additional issuances by the issuer, the Reporting Persons no longer beneficially own more than 5% of outstanding common stock. Signatures from authorized representatives for each reporting entity and a referenced Joint Filing Agreement are included.
Schedule 13G/A filings disclose that Integrated Core Strategies (US) LLC reported beneficial ownership of 3,588,650 shares of Phathom Pharmaceuticals common stock, representing 5.1% of the class, and that Millennium Management LLC, Millennium Group Management LLC and Israel A. Englander each reported beneficial ownership of 4,160,515 shares, representing 5.9% of the class. The filings state these shares are held with shared voting and dispositive power and identify a Joint Filing Agreement dated August 22, 2025. The registrants certify the holdings were not acquired to change or influence control of the issuer.
Schedule 13G/A filings disclose that Integrated Core Strategies (US) LLC reported beneficial ownership of 3,588,650 shares of Phathom Pharmaceuticals common stock, representing 5.1% of the class, and that Millennium Management LLC, Millennium Group Management LLC and Israel A. Englander each reported beneficial ownership of 4,160,515 shares, representing 5.9% of the class. The filings state these shares are held with shared voting and dispositive power and identify a Joint Filing Agreement dated August 22, 2025. The registrants certify the holdings were not acquired to change or influence control of the issuer.
Amendment No. 10 to a Schedule 13D updates disclosures about holdings in Phathom Pharmaceuticals, Inc. (Common Stock, CUSIP 71722W107). Multiple Frazier Life Sciences funds report shared voting and dispositive power over specified blocks of common stock, with holdings calculated using 70,943,708 shares outstanding as of August 4, 2025. Key positions disclosed include Frazier Life Sciences IX, L.P. with 5,827,415 shares (8.2%), Frazier Life Sciences Public Fund, L.P. with 4,234,991 shares (6.0%), and individual reporting persons James N. Topper and Patrick J. Heron with aggregate beneficial ownerships of 5,985,327 (8.6%) and 5,901,756 (8.4%), respectively. The amendment clarifies prior attributions of ownership to certain investment committee members and corrects overstated beneficial ownership. It also discloses warrants held by certain funds to purchase additional shares, subject to a 19.99% exercise limitation. The filing incorporates a Joint Filing Agreement as an exhibit.
Millennium Management LLC, Millennium Group Management LLC and Israel A. Englander reported beneficial ownership of 3,762,044 shares of Phathom Pharmaceuticals, Inc. (PHAT), representing 5.3% of the outstanding common stock, via a Schedule 13G filed in connection with an 08/11/2025 event. The filing shows shared voting and dispositive power over the disclosed shares and includes a joint filing agreement as Exhibit I. Signatures on the filing were provided by Gil Raviv on behalf of the two management entities and by Israel A. Englander, dated 08/12/2025.
The filing includes a certification that the securities were not acquired to change or influence control of Phathom. All ownership figures and classifications are provided directly on the cover pages and in Item 4 of the Schedule 13G.