[144] Datadog, Inc. SEC Filing

Rhea-AI Filing Summary

Datadog’s Class A common stock holder has filed a notice to sell shares under Rule 144. The filing covers a planned sale of 7,916 Class A shares through Morgan Stanley Smith Barney LLC on NASDAQ, with an aggregate market value of 998,445.08. The filing notes that 325,443,373 Class A shares were outstanding. The seller acquired these 7,916 shares on 11/06/2012 via a fund distribution from affiliates of Index Venture Associates.

The notice also lists recent activity: the 2019 Shah Family Trust sold 7,916 Class A shares on 12/12/2025 for gross proceeds of 1,163,206.33, and another 7,916 shares on 01/13/2026 for 988,660.90. By signing, the seller represents they are not aware of undisclosed material adverse information about Datadog and, if relying on a Rule 10b5-1 plan, that this representation applied at the plan’s adoption.

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
Class A Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	7916	998445.08	325443373	02/13/2026	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 *
Class A Common	11/06/2012	Fund Distribution	Affiliates of Index Venture Associates			7916	11/06/2012	Fund Distribution

* 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
10b5-1 Sales for 2019 SHAH FAMILY TRUST 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	01/13/2026	7916	988660.90
10b5-1 Sales for 2019 SHAH FAMILY TRUST 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	12/12/2025	7916	1163206.33

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)