DV shareholder plans Rule 144 sale of 3096 common shares

DV security holder Andrew E. Grimmig filed a notice under Rule 144 to sell 3096 shares of the issuer’s common stock through Morgan Stanley Smith Barney LLC, with an aggregate market value of 33467.76, on or about 12/16/2025 on the NYSE.

Rhea-AI Filing Summary

DV security holder Andrew E. Grimmig filed a notice under Rule 144 to sell 3096 shares of the issuer’s common stock through Morgan Stanley Smith Barney LLC, with an aggregate market value of 33467.76, on or about 12/16/2025 on the NYSE. The issuer reports 161107214 common shares outstanding.

The 3096 shares to be sold were acquired as restricted stock from the issuer on 12/15/2025, with payment also dated 12/15/2025. The notice also lists Grimmig’s prior common stock sales over the past three months, including 1000-share transactions on 12/01/2025, 11/03/2025 and 10/01/2025, and a 4096-share sale on 09/17/2025, each with stated gross proceeds.

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Accepted by SEC EDGAR 12/16/2025 - 04:21 PM Learn about SEC filing dates

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	0001854079
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	DOUBLEVERIFY HOLDINGS, INC.
SEC File Number	001-40349
Address of Issuer	462 Broadway New York NEW YORK 10013
Phone	(212) 631-2111
Name of Person for Whose Account the Securities are To Be Sold	ANDREW E GRIMMIG
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	Officer

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	3096	33467.76	161107214	12/16/2025	NYSE

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	12/15/2025	Restricted Stock	ISSUER			3096	12/15/2025	Not Applicable

* 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
ANDREW E GRIMMIG 462 Broadway New York NY 10013	Common	12/01/2025	1000	10460.00
ANDREW E GRIMMIG 462 Broadway New York NY 10013	Common	11/03/2025	1000	11300.00
ANDREW E GRIMMIG 462 Broadway New York NY 10013	Common	10/01/2025	1000	11880.00
ANDREW E GRIMMIG 462 Broadway New York NY 10013	Common	09/17/2025	4096	53207.04

144: Remarks and Signature

Remarks
Date of Notice	12/16/2025
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	06/18/2025
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	/s/ Andrew Grimmig
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)