[144] Datadog, Inc. SEC Filing

Rhea-AI Filing Summary

Datadog, Inc. (DDOG) filed a Form 144 notifying the proposed sale of 44,444 Class A common shares, with an aggregate market value of $6,066,606.00. The shares represent part of outstanding common stock (issuer reports 323,270,704 shares outstanding) and are scheduled for sale on or about 09/15/2025 on NASDAQ. The filer acquired these shares on 04/07/2021 through previously exercised stock options and paid in cash. The broker listed is Morgan Stanley Smith Barney LLC, Executive Financial Services. The filing contains no reportable sales by the same person in the past three months and does not disclose the filer’s name or additional contact details in the provided text.

Positive

• Transparent compliance: The filing discloses the planned sale under Rule 144 and provides acquisition details (date and method).
• Brokered sale indicated: Sale will be executed through Morgan Stanley Smith Barney LLC, indicating a formal brokered transaction.

Negative

• Insider sale size: Proposed sale of 44,444 shares (~$6.07M) could increase available float and may be interpreted negatively by some investors.
• Limited filer identity and context: The provided text does not include the seller's name or whether a Rule 10b5-1 trading plan applies, restricting assessment of intent.

Insights

Securities Analyst

TL;DR: Routine insider notice disclosing a planned sale of 44,444 shares (~$6.07M), filed under Rule 144; information is transparent but limited.

The Form 144 shows a non-issuer sale derived from previously exercised options, scheduled for mid-September 2025, and executed through Morgan Stanley Smith Barney LLC. The filing confirms cash payment at acquisition and no other sales in the prior three months by the seller. This is a standard compliance disclosure that notifies the market of potential share supply; the filing lacks the identity of the selling person and any context about holding period beyond the acquisition date, limiting deeper assessment of motives or materiality relative to total insider holdings.

Corporate Governance Expert

TL;DR: The filing meets Rule 144 disclosure expectations but provides limited governance context about the insider or any trading plan.

The notice documents acquisition via exercised stock options and the intention to sell on NASDAQ, which aligns with standard regulatory procedure. Absent are the filer’s name, affiliation, or any 10b5-1 plan adoption date, so stakeholders cannot evaluate whether the sale is pre-planned or opportunistic. From a governance perspective, the document is compliant but incomplete for judging signaling effects from insider selling.

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	44444	6066606.00	323270704	09/15/2025	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	04/07/2021	Previously Exercised Stock Options	Issuer			44444	04/07/2021	Cash

* 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

Nothing to Report

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 Datadog's (DDOG) Form 144 disclose?

The filing notifies a proposed sale of 44,444 Class A common shares valued at $6,066,606.00, acquired on 04/07/2021 via exercised options and to be sold approximately on 09/15/2025 on NASDAQ.

Who is the broker handling the proposed DDOG sale?

The broker listed is Morgan Stanley Smith Barney LLC, Executive Financial Services located at 1 New York Plaza, 8th Floor, New York, NY.

Was the consideration for the acquired DDOG shares cash or non-cash?

The acquisition was paid in cash on 04/07/2021 when the shares were obtained through previously exercised stock options.

Does the filing show other sales by the same person in the past three months?

The filing states "Nothing to Report" for securities sold during the past three months by the person for whose account the securities are to be sold.

Is there a 10b5-1 plan date or seller identity disclosed in the filing?

No; the provided content does not disclose the seller’s name or any 10b5-1 plan adoption date.