Phathom Pharmaceuticals, Inc. SEC Filings

Phathom Pharmaceuticals, Inc. (PHAT) reported a Section 16 officer equity award for Chief Financial & Business Officer Sanjeev Narula. On 10/06/2025 Mr. Narula was granted a stock option to buy 200,000 shares of common stock at an exercise price of $11.61 per share. The option is exercisable through 10/05/2036.

The award vests 25% on 10/06/2026 with the remainder vesting in equal monthly installments over the following three years, subject to continued service. The Form 4 was signed on 10/07/2025.

Initial Form 3 filed for Sanjeev Narula. The filing reports a Date of Event of 10/06/2025 and identifies the reporting person as Sanjeev Narula with an address at 100 Campus Drive, Suite 102, Florham Park, NJ 07932. The form indicates the reporting person is an Officer with the title Chief Financial & Bus. Officer. The report discloses no non-derivative or derivative securities beneficially owned (listed as 0 and no securities are beneficially owned). The signature on the filing is by an attorney-in-fact dated 10/07/2025.

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.

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.