Robert Charles Breedlove - 27 Feb 2026 Form 4 Insider Report for Phathom Pharmaceuticals, Inc. (PHAT)

Role
Principal Accounting Officer
Signature
/s/ Robert Charles Breedlove
Issuer symbol
PHAT
Transactions as of
27 Feb 2026
Net transactions value
-$17,308
Form type
4
Filing time
03 Mar 2026, 17:11:25 UTC
Previous filing
23 Jan 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Breedlove Robert Charles Principal Accounting Officer C/O PHATHOM PHARMACEUTICALS, INC., 100 CAMPUS DRIVE, SUITE 102, FLORHAM PARK /s/ Robert Charles Breedlove 03 Mar 2026 0002066645

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction PHAT Common Stock Award $0 +13,000 +28% $0.000000 60,068 27 Feb 2026 Direct F1
transaction PHAT Common Stock Award $0 +2,790 +4.6% $0.000000 62,858 27 Feb 2026 Direct F2
transaction PHAT Common Stock Tax liability $12,108 -964 -1.5% $12.56 61,894 27 Feb 2026 Direct F3
transaction PHAT Common Stock Tax liability $5,200 -414 -0.67% $12.56 61,480 27 Feb 2026 Direct F4
holding PHAT Common Stock 6,945 27 Feb 2026 By 401(k)
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents restricted stock units ("RSUs") granted on February 27, 2026. 1/3 of the total number of RSUs granted vest on each of the first three anniversaries of February 27, 2026, 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 Represents shares issued upon vesting of performance stock units granted to the reporting person on February 27, 2025 based on the achievement of performance criteria determined to be satisfied on February 27, 2026.
F3 Represents shares underlying the performance stock units that were surrendered by the reporting person to the Issuer in satisfaction of the Issuer's tax withholding obligation.
F4 Represents shares underlying RSUs that were surrendered by the reporting person to the Issuer upon vesting of such RSU in satisfaction of the Issuer's tax withholding obligation.