[144] PubMatic, Inc. SEC Filing

Rhea-AI Filing Summary

PubMatic, Inc. reported a proposed insider sale under Rule 144: 15,186 common shares are to be sold through Morgan Stanley Smith Barney LLC on 10/03/2025 on NASDAQ, with an aggregate market value of $125,740.08. The shares were acquired as restricted stock units (RSUs) on 10/01/2025 and the filing lists total shares outstanding of 37,459,793. The notice also discloses recent sales by the same person: 15,779 shares sold on 10/02/2025 for $129,921.13 and 3,676 shares sold on 08/27/2025 under a 10b5-1 plan for $31,011.84. The filer affirms no undisclosed material information and follows required Rule 144 disclosures.

Insights

Securities Compliance Analyst

Insider sale appears procedural and documented under Rule 144 and a prior 10b5-1 plan.

The filing shows a proposed sale of 15,186 RSU-derived shares on 10/03/2025 through Morgan Stanley Smith Barney LLC, with acquisition dated 10/01/2025. The filer also disclosed two recent sales totaling 19,455 shares in 08/2025–10/2025, including a 10b5-1 plan sale.

This disclosure meets Rule 144 notice requirements by listing acquisition method, dates, and aggregate values and by including the filer’s representation about material nonpublic information. The concrete monitorable item is the planned sale date of 10/03/2025.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	15186	125740.08	37459793	10/03/2025	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	10/01/2025	Restricted Stock Units	Issuer			15186	10/01/2025	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
STEVE PANTELICK 601 MARSHALL STREET Redwood City CA 94063	Common	10/02/2025	15779	129921.13
10b5-1 Sales Plan for STEVE PANTELICK 601 MARSHALL STREET Redwood City CA 94063	Common	08/27/2025	3676	31011.84

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What insider sale did PubMatic (PUBM) report in this Form 144?

The filing notifies a proposed sale of 15,186 common shares on 10/03/2025 through Morgan Stanley Smith Barney LLC on NASDAQ.

How were the shares acquired that are being sold?

The shares were acquired as Restricted Stock Units on 10/01/2025 and the filing lists 15,186 shares to be sold.

What is the aggregate market value of the proposed sale?

The aggregate market value for the 15,186 shares is reported as $125,740.08.

Has the filer sold PubMatic shares recently?

Yes. The filer sold 15,779 shares on 10/02/2025 for $129,921.13 and 3,676 shares on 08/27/2025 for $31,011.84 under a 10b5-1 plan.

How many PubMatic shares are outstanding per this filing?

The filing lists 37,459,793 shares outstanding.