Anne Marie Cook

CIK: 0001320559

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (66.7%)

Compensation grants

Other (G, F, J, C, D, …)2 (33.3%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

PHAT

Phathom Pharmaceuticals, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (6 total)

PHAT
Phathom Pharmaceuticals, Inc.
Feb 10, 2026
Award(A)
Direct
3.5K shares-
PHAT
Phathom Pharmaceuticals, Inc.
Feb 10, 2026
Tax Payment(F)
Direct
1.5K shares at avg. $12.82$20K
PHAT
Phathom Pharmaceuticals, Inc.
Jan 2, 2026
Award(A)
Direct
75.3K shares-
PHAT
Phathom Pharmaceuticals, Inc.
Dec 17, 2025
Award(A)
Direct
17.4K shares-
PHAT
Phathom Pharmaceuticals, Inc.
Dec 17, 2025
Tax Payment(F)
Direct
7.7K shares at avg. $15.36$118K
PHAT
Phathom Pharmaceuticals, Inc.
Jun 23, 2025
Award(A)
Stock Option (Right to Buy)
Direct
210K shares-

		Type	Shares	Price		Ownership
Feb 10, 2026	PHAT Phathom Pharmaceuticals, Inc.	Award(A)	3,461	-	$0	Direct
Feb 10, 2026	PHAT Phathom Pharmaceuticals, Inc.	Tax Payment(F)	1,535	$12.82	$19,679	Direct
Jan 2, 2026	PHAT Phathom Pharmaceuticals, Inc.	Award(A)	75,345	-	$0	Direct
Dec 17, 2025	PHAT Phathom Pharmaceuticals, Inc.	Award(A)	17,370	-	-	Direct
Dec 17, 2025	PHAT Phathom Pharmaceuticals, Inc.	Tax Payment(F)	7,703	$15.36	$118,318	Direct
Jun 23, 2025	PHAT Phathom Pharmaceuticals, Inc.	Award(A) Stock Option (Right to Buy)	210,000	-	-	Direct

1-6 of 6 transactions

About Cook Anne Marie

Cook Anne Marie (SEC CIK 0001320559) files insider reports with the SEC as Chief Legal Off. & Corp. Sec. of Phathom Pharmaceuticals, Inc. (PHAT).

Signal8 holds 5 ownership filings by Cook Anne Marie (1 Form 3, 4 Form 4), filed between Jun 24, 2025 and Feb 12, 2026. Those filings report 6 transactions, from Jun 23, 2025 to Feb 10, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Cook Anne Marie's filings is in FLORHAM PARK, NJ.

Recent filings by Cook Anne Marie

Feb 10, 2026: Grant or award of PHAT shares (Form 4, code A).
Feb 10, 2026: Tax withholding of PHAT shares (Form 4, code F).
Jan 2, 2026: Grant or award of PHAT shares (Form 4, code A).
Dec 17, 2025: Grant or award of PHAT shares (Form 4, code A).
Dec 17, 2025: Tax withholding of PHAT shares (Form 4, code F).

Other insiders filing for Phathom Pharmaceuticals, Inc. (PHAT)

Narula Sanjeev, Chief Financial & Bus. Officer
Breedlove Robert Charles, Principal Accounting Officer
Parikh Asit, Director
Topper James N, Director
Stenhouse Mark, Director
FIELDS HEIDI, Director

How to read Form 4 transaction codes