[144] Datadog, Inc. SEC Filing

Rhea-AI Filing Summary

Datadog, Inc. (DDOG) notice reports a proposed sale of 8,572 shares of Class A common stock through Morgan Stanley Smith Barney, with an aggregate market value of $1,171,620.96 and an approximate sale date of 09/02/2025 on NASDAQ. The shares were acquired on 09/01/2025 as vesting Restricted Stock Units and Performance Stock Units and the stated nature of payment is compensation. The filer also disclosed two prior sales in June 2025 totaling 30,313 shares for gross proceeds of $3,557,393.76. The notice includes the required representation that the seller is not aware of undisclosed material adverse information.

Positive

• Securities were acquired as RSUs/PSUs, indicating the shares resulted from standard compensation arrangements rather than external purchases
• Broker and exchange identified (Morgan Stanley Smith Barney; NASDAQ), which provides transparency on execution venue for the proposed sale

Negative

• Recent insider sales in June 2025 totaled 30,313 shares for gross proceeds of $3,557,393.76, indicating ongoing insider liquidity events
• Some issuer/filer identifying fields are not populated in the provided excerpt (e.g., issuer name, filer CIK), limiting full context from this document alone

Insights

Securities Analyst

TL;DR: Insider is liquidating vested equity via Rule 144; recent June sales were larger than the current proposed sale.

The filing shows a routine Rule 144 notice for shares that vested as RSUs/PSUs and will be sold through Morgan Stanley Smith Barney. The proposed block is 8,572 shares valued at about $1.17 million, following two June dispositions totaling 30,313 shares and roughly $3.56 million. This pattern is consistent with scheduled sell-downs after vesting rather than an unexpected disposition. No indication of material undisclosed company information is made in the notice.

Corporate Governance Expert

TL;DR: Disclosure aligns with Rule 144 requirements; the filing documents compensation-related acquisitions and subsequent planned sales.

The notice documents that the securities were acquired as compensation (RSUs/PSUs) and identifies the broker and intended exchange. The inclusion of prior June sales provides useful context about recent insider liquidity. The statement attesting to absence of undisclosed adverse information is standard. There are no governance red flags or unusual conditions disclosed within this form.

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	8572	1171620.96	323270704	09/02/2025	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 *
Class A Common Stock	09/01/2025	Restricted Stock Units and Performance Stock Units vesting	Issuer			8572	09/01/2025	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
Adam Blitzer 620 8th Avenue, 45th floor New York NY 10018	Class A Common Stock	06/03/2025	14710	1739323.64
Adam Blitzer 620 8th Avenue, 45th floor New York NY 10018	Class A Common Stock	06/02/2025	15603	1823070.12

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)

FAQ

What is being proposed to be sold by the filer in the DDOG Form 144?

The filer proposes to sell 8,572 shares of Datadog Class A common stock with an aggregate market value of $1,171,620.96.

How were the shares being sold acquired according to the filing?

The shares were acquired on 09/01/2025 as Restricted Stock Units and Performance Stock Units (vested), and payment is listed as compensation.

Through which broker and on what exchange is the sale planned?

The proposed sale is through Morgan Stanley Smith Barney LLC and the transaction is planned on NASDAQ.

Has the filer sold related securities recently?

Yes. The filer disclosed two sales in June 2025: 14,710 shares on 06/03/2025 and 15,603 shares on 06/02/2025, totaling 30,313 shares and gross proceeds of $3,557,393.76.

Does the filing state any undisclosed adverse information about Datadog?

The notice includes the standard representation that the seller does not know of any material adverse information about the issuer that has not been publicly disclosed.