Phathom Pharmaceuticals, Inc. — Director's Dealing 2025

Jun 5, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Phathom Pharmaceuticals, Inc. (PHAT)
CIK: 0001783183
Period of Report: 2025-06-03

Reporting Person: FIELDS HEIDI (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-06-03	Common Stock	A	10500	—	Acquired	30000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-06-03	Stock Option (Right to Buy)	$4.95	A	17500	Acquired	2035-06-02	Common Stock (17500)	Direct

Footnotes

F1: The Restricted Stock Units ("RSUs") were granted on June 3, 2025, pursuant to the Issuer's Non-Employee Director Compensation Program. 100% of the total number of RSUs granted shall vest on the first to occur of (A) the first anniversary of the date of grant or (B) the next occurring annual meeting of the Issuer's stockholders, subject to the Reporting Person's continuing service on the Board through such vesting date. Each RSU represents a contingent right to receive one share of common stock of the Issuer.

F2: The option was granted pursuant to the Issuer's Non-Employee Director Compensation Program. The option shall vest and/or become exercisable on the first to occur of (A) the first anniversary of the date of grant or (B) the next occurring annual meeting of the Issuer's stockholders, subject to Reporting Person's continuing in service on the Board through such vesting date.