Paulina Klimenko - 06 Apr 2026 Form 4 Insider Report for PubMatic, Inc. (PUBM)

Reporting relationship: CHIEF GROWTH OFFICER
Issuer ticker: PUBM
Reported as of: 06 Apr 2026
Net transaction value: -$99,492
SEC form: 4
Accepted by SEC: 08 Apr 2026, 16:15:00 UTC
Prior SEC filing: 03 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Andrew Woods, Attorney-in-Fact

Key filing fact

Paulina Klimenko filed Form 4 for PubMatic, Inc. (PUBM) on 08 Apr 2026.

Key facts

This page summarizes Paulina Klimenko's Form 4 filing for PubMatic, Inc. (PUBM).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 08 Apr 2026, 16:15.

Change

Previous filing in this sequence was filed on 03 Apr 2026.
Current net transaction value: -$99,492.

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 0001974892 Primary reporting owner

Klimenko Paulina

Relationship: CHIEF GROWTH OFFICER
Address: C/O PUBMATIC, INC., 601 MARSHALL STREET, REDWOOD CITY
Signature: /s/ Andrew Woods, Attorney-in-Fact
Signature date: 08 Apr 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: $99,492
Shares: -11,784
Change %: -16%
Price: $8.44
Shares after: 61,436
Date: 06 Apr 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 Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 8, 2025.

Footnote F2

The price reported in this line item is a weighted average price. These shares were sold at prices ranging from $8.32 to $8.52, inclusive. The Reporting Person undertakes to provide to the Issuer, any securityholder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.