DDOG affiliates report proposed sale of Class A shares

DDOG affiliates reported proposed sales of Class A Common shares on a Form 144 notice.

Rhea-AI Filing Summary

DDOG affiliates reported proposed sales of Class A Common shares on a Form 144 notice.

The excerpt lists a reported quantity of 7,916 (appearing repeatedly), selling parties described as affiliates of Index Venture Associates, and two 10b5-1 sale entries for the SHAH FAMILY TRUST on 02/13/2026 and 01/13/2026 with amounts of 998,892.33 and 988,660.90 shown in the table.

Insights

Securities Counsel

Form 144 notice lists proposed affiliate sales and recent 10b5-1 transactions.

The filing excerpt lists Class A Common as the security and identifies affiliates of Index Venture Associates and the SHAH FAMILY TRUST as sellers. A recurring numeric entry of 7,916 appears in the sales rows.

Dates shown include 01/13/2026 and 02/13/2026 for 10b5-1 sales with proceeds figures of 988,660.90 and 998,892.33; cash‑flow treatment and registration specifics beyond the listed rows are not included in the excerpt.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the DDOG Form 144 excerpt report?

The filing reports proposed sales of Class A Common shares by affiliates. The excerpt lists a recurring quantity of 7,916 and identifies sellers including affiliates of Index Venture Associates and the SHAH FAMILY TRUST.

Which specific sales dates and amounts appear for DDOG in the excerpt?

Two 10b5-1 sale entries for the SHAH FAMILY TRUST are shown with dates 01/13/2026 and 02/13/2026 and amounts of 988,660.90 and 998,892.33, respectively.

Who are the named selling parties in the DDOG excerpt?

The excerpt names sellers as affiliates of Index Venture Associates and specifically references the SHAH FAMILY TRUST at an address in New York, listed alongside the 10b5-1 sale rows.

Does the excerpt state how many shares are being sold in total?

The excerpt repeatedly shows the numeric entry 7,916 in sales rows, but it does not present an explicit aggregated total for all sales in the provided excerpt.

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

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Accepted by SEC EDGAR 03/13/2026 - 04:21 PM EDT 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	0001783882
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	Datadog, Inc.
SEC File Number	001-39051
Address of Issuer	620 8th Avenue, 45th Floor New York NEW YORK 10018
Phone	8663294466
Name of Person for Whose Account the Securities are To Be Sold	2019 SHAH FAMILY TRUST
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	Director

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	1006598.56	328274648	03/13/2026	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	02/13/2026	7916	998892.33
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

144: Remarks and Signature

Remarks	The securities to be sold were acquired upon a pro-rata distribution of a fund during the period of 11/06/2012 through 05/08/2019.
Date of Notice	03/13/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	06/13/2025
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/ Shardul Gautam Shah
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)