PubMatic Form 4: 44,000-share sale via Rule 10b5-1 plan

Rhea-AI Filing Summary

PubMatic (PUBM) CEO/Director/10% Owner reported insider transactions. On 10/27/2025, the reporting person exercised options for 44,000 shares at $1.11 per share, resulting in Class B shares that converted into Class A upon transfer. The same day, 44,000 Class A shares were sold at a weighted average price of $8.7206 under a Rule 10b5-1 plan adopted on March 2, 2025. After these transactions, the reporting person held 2,362,194 shares of Class A and Class B as of the filing date.

Insights

Equity markets and insider transactions analyst

Routine Form 4: option exercise and pre-planned sale.

The filing lists an option exercise for 44,000 shares at $1.11 on 10/27/2025, conversion of Class B into Class A upon transfer, and a sale of 44,000 Class A shares at a weighted average of $8.7206 pursuant to a Rule 10b5-1 plan. Such plans automate trades to reduce timing discretion.

The options are fully vested, with the award expiring on 07/07/2026. Post-trade holdings are disclosed as 2,362,194 shares across classes. The economic impact on float depends on plan execution details and holder decisions disclosed here.

Insider Trade Summary

Net Seller: 44,000 shares ($383,706)

Net Sell 11 txns

Insider Goel Rajeev K.

Role CHIEF EXECUTIVE OFFICER

Sold 44,000 shs ($384K)

Type	Security	Shares	Price	Value
Exercise	Stock Option (Right to buy Class B Common Stock)	44,000	$0.00	--
Exercise	Class B Common Stock	44,000	$1.11	$49K
Conversion	Class B Common Stock	44,000	$0.00	--
Conversion	Class A Common Stock	44,000	$0.00	--
Sale	Class A Common Stock	44,000	$8.7206	$384K
holding	Class B Common Stock	--	--	--
holding	Class B Common Stock	--	--	--
holding	Class B Common Stock	--	--	--
holding	Class B Common Stock	--	--	--
holding	Class B Common Stock	--	--	--
holding	Class B Common Stock	--	--	--

Holdings After Transaction: Stock Option (Right to buy Class B Common Stock) — 70,753 shares (Direct); Class B Common Stock — 254,984 shares (Direct); Class A Common Stock — 44,000 shares (Direct); Class B Common Stock — 581,260 shares (Indirect, See footnote)

Footnotes (1)

1. Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers. Following the sales reported in this line item, Mr. Goel holds 2,362,194 shares of Class A Common Stock and Class B Common Stock, which figure does not reflect vested but unexercised options, unvested options, or unvested restricted stock units, each as of the date of filing. The option award under which these shares were exercised expires on July 7, 2026. The sales reported in this line item were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 2, 2025. These securities were transferred by the Reporting Person to The Goel Family Trust, of which the Reporting Person and his spouse are beneficiaries, and were sold by the Goel Family Trust as reported herein. Represents the weighted average sale price. The lowest price at which shares were sold was $8.65 and the highest price at which shares were sold was $8.82. The Reporting Person undertakes to provide upon request to the staff of the Securities and Exchange Commission, the Issuer or its stockholders, full information regarding the total number of shares sold at each separate price within the range set forth herein. The options are fully vested. These securities are held by the Reporting Person, as custodian for the benefit of his children under the California Uniform Transfers to Minors Act. These securities are held by The Goel Heritage Trust, of which the Reporting Person's children are beneficiaries. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, if any, and the filing of this report is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose. These securities are held by The Goel Family Gift Trust, of which family members and certain other individuals are beneficiaries. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, if any, and the filing of this report is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose. These securities are held by a trust for the benefit of the Reporting Person's child. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, if any, and the filing of this report is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose. These securities are held by The Goel Family Trust, of which the Reporting Person and his spouse are beneficiaries.

Form 4 Insider Transactions: What Each Field Means →

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 Rajeev 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)
	CHIEF EXECUTIVE OFFICER

3. Date of Earliest Transaction (Month/Day/Year)
10/27/2025

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	10/27/2025		C		44,000	A	(1)	44,000	D
Class A Common Stock(2)	10/27/2025		S(3)		44,000(4)	D	$8.7206(5)	0	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
Stock Option (Right to buy Class B Common Stock)	$1.11	10/27/2025		M			44,000	(6)	07/07/2026	Class B Common Stock	44,000	$0	70,753	D
Class B Common Stock	(1)	10/27/2025		M		44,000		(1)	(1)	Class A Common Stock	44,000	$1.11	254,984	D
Class B Common Stock	(1)	10/27/2025		C			44,000	(1)	(1)	Class A Common Stock	44,000	$0	210,984	D
Class B Common Stock	(1)							(1)	(1)	Class A Common Stock	581,260		581,260	I	See footnote(7)
Class B Common Stock	(1)							(1)	(1)	Class A Common Stock	400,000		400,000	I	See footnote(8)
Class B Common Stock	(1)							(1)	(1)	Class A Common Stock	68,616		68,616	I	See footnote(9)
Class B Common Stock	(1)							(1)	(1)	Class A Common Stock	308,775		308,775	I	See footnote(10)
Class B Common Stock	(1)							(1)	(1)	Class A Common Stock	308,775		308,775	I	See footnote(10)
Class B Common Stock	(1)							(1)	(1)	Class A Common Stock	483,784		483,784	I	See footnote(11)

Explanation of Responses:

1. Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers.

2. Following the sales reported in this line item, Mr. Goel holds 2,362,194 shares of Class A Common Stock and Class B Common Stock, which figure does not reflect vested but unexercised options, unvested options, or unvested restricted stock units, each as of the date of filing. The option award under which these shares were exercised expires on July 7, 2026.

3. The sales reported in this line item were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 2, 2025.

4. These securities were transferred by the Reporting Person to The Goel Family Trust, of which the Reporting Person and his spouse are beneficiaries, and were sold by the Goel Family Trust as reported herein.

5. Represents the weighted average sale price. The lowest price at which shares were sold was $8.65 and the highest price at which shares were sold was $8.82. The Reporting Person undertakes to provide upon request to the staff of the Securities and Exchange Commission, the Issuer or its stockholders, full information regarding the total number of shares sold at each separate price within the range set forth herein.

6. The options are fully vested.

7. These securities are held by the Reporting Person, as custodian for the benefit of his children under the California Uniform Transfers to Minors Act.

8. These securities are held by The Goel Heritage Trust, of which the Reporting Person's children are beneficiaries. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, if any, and the filing of this report is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.

9. These securities are held by The Goel Family Gift Trust, of which family members and certain other individuals are beneficiaries. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, if any, and the filing of this report is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.

10. These securities are held by a trust for the benefit of the Reporting Person's child. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, if any, and the filing of this report is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.

11. These securities are held by The Goel Family Trust, of which the Reporting Person and his spouse are beneficiaries.

	/s/ Andrew Woods, Attorney-in-Fact	10/29/2025
	** 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 insider transaction did PUBM report on this Form 4?

On 10/27/2025, 44,000 options were exercised at $1.11, converted into Class A shares upon transfer, and 44,000 Class A shares were sold at a weighted average of $8.7206.

Was the PUBM sale under a Rule 10b5-1 plan?

Yes. The sale was effected under a Rule 10b5-1 trading plan adopted on March 2, 2025.

What price range did PUBM shares sell for in this transaction?

The weighted average sale price was $8.7206, with trades ranging from $8.65 to $8.82.

How many PUBM shares does the reporting person hold after these trades?

After the reported transactions, the reporting person held 2,362,194 shares of Class A and Class B as of the filing date.

When do the exercised PUBM options expire?

The option award under which the shares were exercised expires on July 7, 2026.