[Form 4] PubMatic, Inc. Insider Trading Activity

Rhea-AI Filing Summary

PubMatic, Inc. (PUB) director and 10% owner Amar K. Goel reported a sale of 7,968 shares of Class A common stock on 10/03/2025 at a price of $8.3786 per share, reducing his beneficial ownership to 12,496 shares. The filing states the sales were made under a Rule 10b5-1 trading plan adopted on 06/03/2025, which provides an affirmative defense for pre‑arranged trades executed according to the plan's terms. The Form 4 is signed by an attorney‑in‑fact on 10/06/2025.

Insights

Insider Transactions Analyst

Director sold 7,968 shares under a prearranged 10b5-1 plan.

The sale reduced Amar K. Goel to 12,496 Class A shares after disposing of 7,968 shares at $8.3786 on 10/03/2025. The filing explicitly links the trades to a Rule 10b5-1 plan adopted on 06/03/2025, which documents prearranged execution and timing constraints.

The primary dependency is the plan's terms: these trades do not necessarily reflect current views and were executed under an established schedule. Monitor any subsequent Form 4s or disclosures showing additional plan activity or material changes in ownership in the next 30-90 days.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Goel Amar K.

(Last) (First) (Middle)

C/O PUBMATIC, INC.

601 MARSHALL STREET

(Street)

REDWOOD CITY CA 94063

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
PubMatic, Inc. [ PUBM ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
X	Officer (give title below)		Other (specify below)
	CHAIRMAN, CHIEF INNOVATION OFF

3. Date of Earliest Transaction (Month/Day/Year)
10/03/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	10/03/2025		S(1)		7,968	D	$8.3786	12,496	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The sales reported in this line item were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 3, 2025.

	/s/ Andrew Woods, Attorney-in-Fact	10/06/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Amar K. Goel report in the Form 4 for PUBM?

He reported selling 7,968 Class A shares at $8.3786 on 10/03/2025, leaving 12,496 shares beneficially owned.

Were the sales part of a prearranged trading plan for PUBM insiders?

Yes. The sales were effected under a Rule 10b5-1 trading plan adopted on 06/03/2025.

Does the Form 4 show who signed the filing for PUBM?

Yes. The Form 4 is signed by Andrew Woods, Attorney-in-Fact on 10/06/2025.

How many shares does the reporting person own after the transaction?

The reporting person beneficially owns 12,496 Class A shares following the reported sale.

What price were the shares sold for in the PUBM Form 4?

The reported sale price was $8.3786 per share on 10/03/2025.