[144] Datadog, Inc. SEC Filing

Rhea-AI Filing Summary

Form 144 notice for proposed sale of Datadog, Inc. (DDOG) securities. The filing reports an intended sale of 12,971 Class A common shares through Morgan Stanley Smith Barney LLC on 08/29/2025, with an aggregate market value of $1,828,392.16. The shares were acquired on 03/01/2025 as RSU/PSU awards from the issuer and were fully paid on that date. The filing shows 323,270,704 shares outstanding for the class, which puts the proposed sale at a de minimis fraction of the outstanding stock. The filing also discloses a sale in the past three months: Kerry Acocella sold 5,099 shares on 06/02/2025 for $595,772.26. Certain administrative fields such as filer CIK and issuer address are not provided in the text supplied.

Positive

• None.

Negative

• Insider selling activity: Proposed sale of 12,971 shares and a prior sale of 5,099 shares indicate insider dispositions in 2025.
• Incomplete administrative disclosure: The supplied text does not include filer CIK or full issuer address/contact details, limiting traceability.

Insights

Financial Analyst

TL;DR Insider RSU sale is small relative to float and appears routine; limited market impact.

The proposed sale of 12,971 shares for $1.83 million represents roughly 0.004% of the reported 323.27 million shares outstanding, indicating the transaction is immaterial to market capitalization. The shares were acquired as RSU/PSU awards on 03/01/2025, consistent with routine post-vest disposition. The prior sale of 5,099 shares on 06/02/2025 suggests ongoing insider selling activity but not at a scale likely to affect supply-demand dynamics. Missing filer identifiers reduce transparency but do not change the arithmetic of the sale.

Corporate Governance Expert

TL;DR The filing documents compliant insider disposition of vested awards; disclosure gaps are notable for oversight.

From a governance standpoint, the notice contains required sale details including broker, amount, acquisition type, and past sales, supporting regulatory compliance under Rule 144. However, the provided content omits key administrative details such as the filer CIK and full issuer contact fields, which are important for auditability and stakeholder verification. The insider affirmation about absence of undisclosed material information is present, aligning with standard attestations in Form 144.

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	12971	1828392.16	323270704	08/29/2025	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	03/01/2025	RSU/PSU	Issuer			12971	03/01/2025	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
KERRY ACOCELLA 620 8th Avenue, 45th Floor New York NY 10018	Common	06/02/2025	5099	595772.26

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 shares does the Form 144 for DDOG report for proposed sale?

The filing reports a proposed sale of 12,971 Class A common shares with aggregate market value of $1,828,392.16.

When is the approximate date of the proposed sale listed?

The approximate sale date listed is 08/29/2025.

How were the shares being sold acquired?

The shares were acquired as RSU/PSU awards on 03/01/2025 and were paid in full on that date.

Did the filer sell any shares in the past three months?

Yes. The filing discloses that Kerry Acocella sold 5,099 common shares on 06/02/2025 for $595,772.26.

Is the proposed sale material relative to outstanding shares?

No. The sale of 12,971 shares represents a very small fraction of the reported 323,270,704 shares outstanding.