DDOG insider Form 144 files sale; multiple 10b5-1 transactions disclosed

Rhea-AI Filing Summary

Form 144 filed for Datadog, Inc. (DDOG) reporting a proposed sale of 11,195 Class A Common shares through Morgan Stanley Smith Barney with an aggregate market value of $1,414,040.45, scheduled approximately for 08/27/2025. The filing identifies the securities as founder shares acquired on 07/08/2010. The issuer's total shares outstanding are shown as 323,270,704. The notice also lists multiple recent sales by the same individual under 10b5-1 plans and other sales during the past three months, including transactions as large as 107,365 and 100,754 shares in June 2025.

Positive

• Disclosure completeness: The filing includes broker name, planned sale date, acquisition date, and shares outstanding, satisfying Form 144 requirements
• Use of 10b5-1 plans: Multiple sales are executed under 10b5-1 plans, indicating pre-arranged trading arrangements to address insider trading concerns

Negative

• Insider selling activity: Several large sales in the prior three months (including transactions of 107,365 and 100,754 shares) could be interpreted as meaningful insider supply to the market

Insights

Financial Analyst

TL;DR: Insider sale via Form 144 and several 10b5-1 transactions, appears routine with no additional financial data disclosed.

The filing documents a proposed registered resale of 11,195 Class A common shares by an insider whose shares were originally acquired as founder shares in 2010. The filing provides transaction timing, broker information and the issuer's shares outstanding but contains no financial results or forward-looking statements to assess valuation impact. The presence of multiple 10b5-1 plan sales in the preceding three months indicates systematic disposal rather than a single ad hoc sale. Impact on the company is likely limited absent other undisclosed material information.

Corporate Governance Expert

TL;DR: Multiple scheduled insider sales are disclosed; compliance elements (broker, acquisition origin, representation) are present.

The Form 144 includes required signatures and a representation that no material nonpublic information is known by the seller. It documents that the shares to be sold are founder shares acquired in 2010 and lists the broker and planned sale date. The record of several 10b5-1 plan sales in recent months suggests reliance on pre-established trading plans, which is a standard governance mechanism to mitigate insider trading concerns. The filing does not allege any breaches or unusual governance items.

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	11195	1414040.45	323270704	08/27/2025	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	07/08/2010	Founders Shares	Issuer			11195	07/08/2010	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 Plan for OLIVIER POMEL 620 8th Avenue, 45th Floor New York NY 10018	Common	08/11/2025	21728	2827234.32
10b5-1 Sales Plan for OLIVIER POMEL 620 8th Avenue, 45th Floor New York NY 10018	Common	08/11/2025	11195	1465101.96
10b5-1 Sales Plan for OLIVIER POMEL 620 8th Avenue, 45th Floor New York NY 10018	Common	07/28/2025	11195	1688462.37
10b5-1 Sales Plan for OLIVIER POMEL 620 8th Avenue, 45th Floor New York NY 10018	Common	07/08/2025	21728	3173448.28
10b5-1 Sales Plan for OLIVIER POMEL 620 8th Avenue, 45th Floor New York NY 10018	Common	07/08/2025	11196	1635065.71
10b5-1 Sales Plan for OLIVIER POMEL 620 8th Avenue, 45th Floor New York NY 10018	Common	06/25/2025	100754	13286953.90
10b5-1 Sales Plan for OLIVIER POMEL 620 8th Avenue, 45th Floor New York NY 10018	Common	06/09/2025	107365	13067743.08
OLIVIER POMEL 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	06/02/2025	15227	1779137.91

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 does the Form 144 for Datadog (DDOG) disclose?

The Form 144 reports a proposed sale of 11,195 Class A Common shares with aggregate market value of $1,414,040.45, planned for 08/27/2025, and notes the shares were acquired as founder shares on 07/08/2010.

Who is the seller named in the filing and how were the shares acquired?

The filing lists shares that were acquired as founder shares on 07/08/2010. Recent sales are attributed to 10b5-1 sales plans for Olivier Pomel at the New York address shown.

What broker is handling the proposed sale?

The proposed sale is to be executed through Morgan Stanley Smith Barney LLC, Executive Financial Services located at 1 New York Plaza, 8th Floor, New York, NY.

Does the filing show other recent insider sales?

Yes. The filing lists multiple sales in the past three months under 10b5-1 plans and direct sales, including transactions on 06/09/2025 (107,365 shares) and 06/25/2025 (100,754 shares) among others.

How many shares outstanding does the filing report for Datadog?

The filing reports 323,270,704 shares outstanding.