[144] Datadog, Inc. SEC Filing

Rhea-AI Filing Summary

Form 144 filed for Datadog, Inc. (DDOG) reports a proposed sale of 13,868 shares of Class A common stock through Morgan Stanley Smith Barney, valued at $1,895,478.24, with an approximate sale date of 09/02/2025 on NASDAQ. The shares were acquired as restricted stock units and performance stock units vesting on 09/01/2025 and paid as compensation. The filing also discloses four prior sales by the same person totaling 218,807 shares between 06/02/2025 and 08/05/2025 with gross proceeds shown for each trade.

Positive

• Clear disclosure of source of shares: shares were acquired via RSU/PSU vesting, clarifying they are compensation-related
• Broker and exchange specified: sale routed through Morgan Stanley Smith Barney on NASDAQ, aiding transparency
• Detailed prior sales reported: lists four prior sales with share counts and gross proceeds, improving investor visibility

Negative

• Substantial recent insider selling: four prior sales total 218,807 shares within three months, representing meaningful insider liquidity
• No 10b5-1 plan disclosed: the filing does not state adoption of a trading plan or instruction date, leaving pre-arrangement status unclear

Insights

Securities Analyst

TL;DR: Routine insider sale of vested equity; material by size but consistent with compensation monetization.

The filing documents a planned sale of 13,868 Class A shares worth about $1.9 million, acquired the prior day through RSU/PSU vesting and designated as compensation. The schedule also lists four sizable sales earlier in the three-month window totaling 218,807 shares, with gross proceeds reported. From a market-impact perspective, the single proposed sale is modest relative to the earlier aggregated activity; however, the cumulative recent disposition is sizable in absolute terms. No nonpublic adverse information is indicated in the remarks.

Corporate Governance Expert

TL;DR: Disclosure aligns with Rule 144 requirements; shows executive liquidity events from vested shares.

The notice states the shares to be sold were acquired through vesting of restricted and performance awards and that payment was compensation. The filer certifies lack of material nonpublic information. The disclosure meets procedural requirements by identifying broker, class, quantities, and recent transactions. There is no information about a trading plan or 10b5-1 adoption in the form, so governance context about pre-arranged selling is not documented.

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

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	13868	1895478.24	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			13868	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
Alexis Le-Quoc 620 8th Avenue, 45th floor New York NY 10018	Class A Common Stock	08/05/2025	41468	5576002.91
Alexis Le-Quoc 620 8th Avenue, 45th floor New York NY 10018	Class A Common Stock	07/14/2025	41468	5775376.91
Alexis Le-Quoc 620 8th Avenue, 45th floor New York NY 10018	Class A Common Stock	06/04/2025	127105	15247350.6
Alexis Le-Quoc 620 8th Avenue, 45th floor New York NY 10018	Class A Common Stock	06/02/2025	13766	1608433.21

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 the size and value of the proposed DDOG sale in this Form 144?

The notice proposes sale of 13,868 Class A shares with an aggregate market value of $1,895,478.24.

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

The shares were acquired on 09/01/2025 through restricted stock units and performance stock units vesting and paid as compensation.

Which broker and exchange are identified for the proposed sale?

The sale is to be executed through Morgan Stanley Smith Barney LLC on NASDAQ.

Has the filer recently sold other DDOG shares?

Yes; the filing lists four prior sales between 06/02/2025 and 08/05/2025 totaling 218,807 shares with gross proceeds disclosed for each trade.

Does the Form 144 state whether a trading plan under Rule 10b5-1 exists?

No; the form does not indicate adoption of a 10b5-1 trading plan or provide a plan adoption date.