Datadog (NASDAQ: DDOG) notices proposed sale of 10,783 Class A shares

Rhea-AI Filing Summary

Datadog, Inc. filed a Form 144 reporting a proposed sale of 10,783 shares of Class A common stock tied to restricted stock units and performance stock units that vest on 03/01/2026.

The filing also records a sale by David Galloreese of 2,554 shares on 12/02/2025 for $405,060.57. The transaction type is listed as compensation.

Insights

Equity Compensation Analyst

Form 144 shows an executive intends to sell vested compensation shares.

The filing lists 10,783 Class A shares tied to RSUs and PSUs vesting on 03/01/2026; the disposition method is labeled as Issuer and the transaction category is Compensation. This indicates a planned sale following vesting.

Past sales include 2,554 shares sold by David Galloreese on 12/02/2025 for $405,060.57. Subsequent filings will disclose whether and when the listed shares are actually sold.

FAQ

What does Datadog's Form 144 report for DDOG?

Datadog's Form 144 reports a proposed sale of 10,783 Class A shares tied to RSUs/PSUs vesting on 03/01/2026. The filing notes the transaction category as Compensation and lists a prior sale by an insider.

Who sold shares recently under Datadog filings?

The filing records David Galloreese sold 2,554 Class A shares on 12/02/2025 for $405,060.57. That sale is shown in the "Securities Sold During The Past 3 Months" section of the notice.

Are the shares in the Form 144 already vested for DDOG?

The Form 144 ties the 10,783 shares to restricted stock units and performance stock units vesting on 03/01/2026. The filing connects the proposed sale to compensation vesting rather than open-market purchases.

What method is listed for the proposed sale in Datadog's filing?

The filing lists the method as Issuer under the securities-to-be-sold section and classifies the transaction as Compensation. The Form 144 describes the planned disposition without specifying execution details.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/02/2026 - 04:51 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
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 Stock	Morgan Stanley Smith Barney LLC Executive Services 200 W Civic Center Dr - 4th Floor Sandy UT 84070	10783	1229262	328274648	03/02/2026	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 Stock	03/01/2026	Restricted Stock Units and Performance Stock Units vesting	Issuer			10783	03/01/2026	Compensation

* 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
David Galloreese 620 8th Avenue, 45th floor New York NY 10018	Class A Common Stock	12/02/2025	2554	405060.57

144: Remarks and Signature

Remarks

Date of Notice

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)