PubMatic, Inc. — Director's Dealing 2025

May 20, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PubMatic, Inc. (PUBM)
CIK: 0001422930
Period of Report: 2025-05-15

Reporting Person: Gimbel Lisa (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-05-15	Class A Common Stock	M	1395	—	Acquired	6186	Direct
2025-05-15	Class A Common Stock	M	772	—	Acquired	6958	Direct
2025-05-15	Class A Common Stock	M	801	—	Acquired	7759	Direct
2025-05-16	Class A Common Stock	S	1070	$11.5004	Disposed	6689	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-05-15	Restricted Stock Units	$	M	1395	Disposed		Class A Common Stock (1395)	Direct
2025-05-15	Restricted Stock Units	$	M	772	Disposed		Class A Common Stock (772)	Direct
2025-05-15	Restricted Stock Units	$	M	801	Disposed		Class A Common Stock (801)	Direct

Footnotes

F1: The sales reported on this line represent shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units ("RSUs"). The sales were to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.

F2: The price reported in Column 4 is a weighted average price. These shares were sold as part of a block trade for multiple security holders of the Issuer at prices ranging from $11.39 to $11.62, 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 with regard to the block trade.

F3: Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of vesting for no consideration.

F4: The RSUs vest as to 1/4 of the total shares on August 15, 2024, and 1/16th of the total shares will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F5: RSUs do not expire; they either vest or are canceled prior to the vesting date.

F6: The RSUs vest as to 1/16 of the total shares quarterly beginning on May 15, 2024, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F7: The RSUs vest as to 1/16th of the total shares on May 15, 2025, and 1/16th of the total shares will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.