[144] Datadog, Inc. SEC Filing

Rhea-AI Filing Summary

Form 144 notice for Datadog, Inc. (DDOG) reports a proposed sale of 2,924 Class A common shares through Morgan Stanley Smith Barney on NASDAQ with an aggregate market value of $416,377.60 and an approximate sale date of 10/01/2025. The shares were acquired as Restricted Stock Units on 09/01/2025 and paid on that date. The filer discloses prior sales by the same account during the past three months: 6,821 shares on 09/11/2025 for $952,343.64, 10,622 shares on 09/02/2025 for $1,421,721.77, and 9,469 shares on 07/03/2025 for $1,420,350.00. The filing includes the required representation about absence of undisclosed material adverse information.

Positive

• Disclosure of acquisition type and date is explicit: RSUs acquired on 09/01/2025.
• Broker and exchange details are provided (Morgan Stanley Smith Barney; NASDAQ), aiding transparency.
• Past sales are itemized with dates and gross proceeds, showing clear historical disposition activity.

Negative

• No filer CIK or specific filer identity fields are populated in the visible content.
• No signature, plan adoption date, or explicit 10b5-1 adoption date is shown in the provided excerpts.

Insights

Securities Analyst

TL;DR: Insider plans a modest sale of newly vested RSUs and has completed multiple sales in the preceding quarter.

The filing shows a proposed sale of 2,924 Class A shares valued at $416,377.60, acquired as RSUs on 09/01/2025 and to be sold on 10/01/2025 via Morgan Stanley Smith Barney. Recent sales by the same account total 26,912 shares across three transactions in the past three months, with combined gross proceeds disclosed in the filing. This is a routine Rule 144 notice documenting disposition of shares by an insider and references a 10b5-1 plan for some prior sales. The disclosure conforms to Form 144 reporting requirements and provides explicit transaction dates and proceeds.

Corporate Governance Expert

TL;DR: The filing documents scheduled insider sales from vested RSUs and includes prior 10b5-1 plan activity; disclosure appears complete.

The notice identifies the nature of acquisition as Restricted Stock Units vested on 09/01/2025 and a proposed sale of 2,924 shares on 10/01/2025. The form lists broker details and exchange (NASDAQ) and discloses multiple prior dispositions, including two labeled as 10b5-1 sales. The signer attests to not possessing undisclosed material adverse information. Based solely on the content provided, this is a procedural compliance filing without additional governance issues or qualifiers noted in the text.

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	2924	416377.60	323270704	10/01/2025	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	09/01/2025	Restricted Stock Units	Issuer			2924	09/01/2025	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
10b5-1 Sales for SEAN WALTERS 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	09/11/2025	6821	952343.64
SEAN WALTERS 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	09/02/2025	10622	1421721.77
10b5-1 Sales for SEAN WALTERS 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	07/03/2025	9469	1420350.00

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 securities does the DDOG Form 144 propose to sell?

The notice proposes selling 2,924 Class A common shares of Datadog (DDOG).

When were the shares to be sold and on which exchange?

The approximate sale date is 10/01/2025 and the filing lists NASDAQ as the exchange.

How were the shares acquired according to the filing?

The shares were acquired as Restricted Stock Units on 09/01/2025 and payment is recorded as of that date.

What prior sales by the same account are disclosed?

The filing discloses sales of 6,821 shares on 09/11/2025 for $952,343.64, 10,622 shares on 09/02/2025 for $1,421,721.77, and 9,469 shares on 07/03/2025 for $1,420,350.00.

Which broker is handling the proposed sale?

The broker listed is Morgan Stanley Smith Barney LLC Executive Financial Services at 1 New York Plaza, New York, NY.