PubMatic (PUBM) insider files 10b5-1 share sale in SEC Form 4

Rhea-AI Filing Summary

PubMatic, Inc. insider Amar K. Goel reported a planned sale of 7,158 shares of Class A Common Stock on January 6, 2026 under a Rule 10b5-1 trading plan. The shares were sold at a weighted average price of $8.7329 per share, with individual sale prices ranging from $8.64 to $8.82.

After this transaction, Goel directly holds 12,496 shares of PubMatic Class A Common Stock. The filing notes that detailed price breakdowns within the reported range are available upon request from the company, its shareholders, or the SEC staff.

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
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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)
01/06/2026

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	01/06/2026		S(1)		7,158	D	$8.7329(2)	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.

2. The price reported in this line item is a weighted average price. These shares were sold at prices ranging from $8.64 to $8.82, 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.

	/s/ Andrew Woods, Attorney-in-Fact	01/07/2026
	** 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

Who is the insider involved in this PubMatic (PUBM) Form 4 filing?

The reporting person is Amar K. Goel, who is a director, a 10% owner, and an officer of PubMatic, Inc., serving as CHAIRMAN and CHIEF INNOVATION OFFICER.

What transaction did Amar K. Goel report for PubMatic (PUBM)?

Amar K. Goel reported an open market sale coded as "S" of 7,158 shares of PubMatic Class A Common Stock on January 6, 2026.

What price did the PubMatic (PUBM) shares sell for in this Form 4?

The sale was reported at a weighted average price of $8.7329 per share, with individual trades executed between $8.64 and $8.82 per share.

How many PubMatic (PUBM) shares does Amar K. Goel hold after the sale?

Following the reported transaction, Amar K. Goel directly owns 12,496 shares of PubMatic Class A Common Stock.

Was the PubMatic (PUBM) insider sale part of a Rule 10b5-1 plan?

Yes. The filing states the sales were effected under a Rule 10b5-1 trading plan adopted by Amar K. Goel on June 3, 2025.

Can investors get more detail on the individual PubMatic (PUBM) trade prices?

Yes. The filing notes that Amar K. Goel will provide full information on the number of shares sold at each price within the $8.64–$8.82 range upon request to the issuer, any securityholder, or SEC staff.