Lisa Gimbel - 12 Aug 2026 Form 4 Insider Report for PubMatic, Inc. (PUBM)

Reporting relationship: CHIEF ACCOUNTING OFFICER
Issuer ticker: PUBM
Reported as of: 12 Aug 2026
Net transaction value: -$8,750
SEC form: 4
Accepted by SEC: 14 Aug 2026, 16:34:17 UTC
Prior SEC filing: 19 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Andrew Woods, Attorney-in-Fact

Key filing fact

Lisa Gimbel filed Form 4 for PubMatic, Inc. (PUBM) on 14 Aug 2026.

Key facts

This page summarizes Lisa Gimbel's Form 4 filing for PubMatic, Inc. (PUBM).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 14 Aug 2026, 16:34.

Change

Previous filing in this sequence was filed on 19 May 2026.
Current net transaction value: -$8,750.

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 0001980851 Primary reporting owner

Gimbel Lisa

Relationship: CHIEF ACCOUNTING OFFICER
Address: C/O PUBMATIC, INC., 601 MARSHALL STREET, REDWOOD CITY
Signature: /s/ Andrew Woods, Attorney-in-Fact
Signature date: 14 Aug 2026

Reported non-derivative transactions

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

PUBM transaction

Class A Common Stock

Sale

Transaction value: $8,750
Shares: -500
Change %: -3.3%
Price: $17.50
Shares after: 14,561
Date: 12 Aug 2026
Ownership: Direct
Footnotes: F1, F2

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

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 2 footnotes

Footnote F1

The sales reported in this line item were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 13, 2026.

Footnote F2

Includes 1,384 shares of Class A Common Stock acquired by the Reporting Person on May 29, 2026 pursuant to the Issuer's employee stock purchase plan.