Frank Karbe - 19 May 2026 Form 4 Insider Report for Phathom Pharmaceuticals, Inc. (PHAT)

Reporting relationship: Director
Issuer ticker: PHAT
Reported as of: 19 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 21 May 2026, 16:30:05 UTC
Prior SEC filing: 07 Jan 2026
Source filing: View source filing
Reporting owner signature: /s/ Anne Marie Cook, Attorney-in-Fact for Frank Karbe

Key filing fact

Frank Karbe filed Form 4 for Phathom Pharmaceuticals, Inc. (PHAT) on 21 May 2026.

Key facts

This page summarizes Frank Karbe's Form 4 filing for Phathom Pharmaceuticals, Inc. (PHAT).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 21 May 2026, 16:30.

Change

Previous filing in this sequence was filed on 07 Jan 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001276700 Primary reporting owner

KARBE FRANK

Relationship: Director
Address: C/O PHATHOM PHARMACEUTICALS, INC., 100 CAMPUS DRIVE, SUITE 102, FLORHAM PARK
Signature: /s/ Anne Marie Cook, Attorney-in-Fact for Frank Karbe
Signature date: 21 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

PHAT transaction

Common Stock

Award

Transaction value
Shares: +24,122
Change %: +36%
Price: $0.000000^*
Shares after: 91,622
Date: 19 May 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The Restricted Stock Units ("RSUs") were granted on May 19, 2026, 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.