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Phathom Pharmaceuticals, Inc. Director's Dealing 2026

Jan 2, 2026

32407_dirs_2026-01-02_25ddbebf-d08e-4f32-9d44-617593e9ed72.zip

Director's Dealing

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SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Phathom Pharmaceuticals, Inc. (PHAT)
CIK: 0001783183
Period of Report: 2026-01-02

Reporting Person: Basta Steven L (N/A)

Non-Derivative Transactions

Date Security Code Shares Price A/D Holdings After Ownership
2026-01-02 Common Stock A 251034 Acquired 364820 Direct

Derivative Transactions

Date Security Exercise Price Code Shares A/D Expiration Underlying Ownership
2026-01-02 Stock Option (Right to Buy) $15.71 A 226156 Acquired 2036-01-01 Common Stock (226156) Direct

Footnotes

F1: Represents restricted stock units ("RSUs") granted on January 2, 2026. 1/3 of the total number of RSUs granted vest on each of the first three anniversaries of January 2, 2026, the vesting commencement date (the "Vesting Commencement Date"), subject to the Reporting Person's continued service through each vesting date. Each RSU represents a contingent right to receive one share of common stock of the Issuer.

F2: 1/48th of the total number of shares of common stock subject to the option vest monthly following the Vesting Commencement Date, subject to the Reporting Person's continuous service to the Issuer through each vesting date.