Anne Marie Cook - 23 Jun 2025 Form 4 Insider Report for Phathom Pharmaceuticals, Inc. (PHAT)

Role: Chief Legal Off. & Corp. Sec.
Signature: /s/ Anne Marie Cook
Issuer symbol: PHAT
Transactions as of: 23 Jun 2025
Net transactions value: $0
Form type: 4
Filing time: 24 Jun 2025, 17:00:07 UTC
Previous filing: 07 Aug 2024
Next filing: 19 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Cook Anne Marie	Chief Legal Off. & Corp. Sec.	C/O PHATHOM PHARMACEUTICALS, INC., 100 CAMPUS DRIVE, SUITE 102, FLORHAM PARK	/s/ Anne Marie Cook	24 Jun 2025	0001320559

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	PHAT	Stock Option (Right to Buy)	Award	$0	+210,000		$0.000000	210,000	23 Jun 2025	Common Stock	210,000	$9.47	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The stock option will vest with respect to 25% of the shares of common stock on June 23, 2026, and will vest with respect to the remaining shares in equal monthly installments over the following three years, subject to the Reporting Person's continuous service to the Issuer on the applicable vesting dates.