[144] Datadog, Inc. SEC Filing

Rhea-AI Filing Summary

Datadog, Inc. (ticker DDOG) Form 144 notifies a proposed sale of 7,950 Class A common shares through Morgan Stanley Smith Barney LLC on 09/03/2025, to be executed on the Nasdaq. The filer reports those shares were acquired as RSU/PSU awards on 09/01/2025 and payment/settlement is indicated on that same date. The filing lists a recent related sale by Adam Blitzer of 8,581 Class A shares on 09/02/2025 for gross proceeds of $1,148,542.82.

The filing provides typical Rule 144 attestations, including the signer’s representation that they possess no undisclosed material adverse information. Several standard filer contact fields and issuer identifiers in the header are blank or not provided in the visible content.

Positive

• Transaction transparency: The filing discloses the class, exact share counts, broker, approximate market value, and planned sale date.
• Prior-sales history provided: The filing lists a recent related sale by Adam Blitzer with amount and gross proceeds, aiding investor context.

Negative

• Incomplete header details: Several filer and issuer contact fields in the form are blank or not shown, reducing immediate traceability.
• Short interval between acquisition and proposed sale: Shares acquired as RSU/PSU on 09/01/2025 with a proposed sale on 09/03/2025 may raise questions about holding period, though the form only reports facts.

Insights

Securities Analyst

TL;DR: Executive share disposition paperwork shows short-term insider sales and a near-term planned sale of RSU/PSU shares via a broker.

The filing documents a proposed sale of 7,950 Class A shares that were acquired as RSU/PSU awards two days before the planned sale date, and records a prior sale by Adam Blitzer of 8,581 shares generating about $1.15 million. For investors and compliance teams, short windows between acquisition and proposed sale merit attention for insider trading policy and disclosure timing, but the filing itself contains only descriptive transaction details and the standard Rule 144 attestation.

Corporate Governance Expert

TL;DR: This is a routine Rule 144 notification showing executive-level equity movements with required representations.

The document includes necessary elements for a Rule 144 notice: class of security, broker, number of shares, market value, acquisition method (RSU/PSU), and prior-sales history. It also contains the statutory attestation regarding undisclosed material information. Missing or blank issuer/filer header fields reduce immediate transparency but do not negate the substantive transaction disclosures presented.

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	7950	1070785.50	323270704	09/03/2025	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	09/01/2025	RSU/PSU	Issuer			7950	09/01/2025	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
ADAM BLITZER 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	09/02/2025	8581	1148542.82

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 DDOG Form 144 propose to sell?

The notice proposes sale of 7,950 Class A common shares of Datadog (DDOG) through Morgan Stanley Smith Barney LLC.

When is the proposed sale date listed on the DDOG Form 144?

The approximate date of sale is listed as 09/03/2025 on the form.

How were the 7,950 shares acquired according to the filing?

The shares were acquired as RSU/PSU awards on 09/01/2025, with the filing indicating settlement/payment on that date.

Does the filing show any recent sales by insiders of DDOG?

Yes. The form records that Adam Blitzer sold 8,581 Class A shares on 09/02/2025 for gross proceeds of $1,148,542.82.

Which broker is handling the proposed sale?

The proposed sale is to be handled by Morgan Stanley Smith Barney LLC, 1 New York Plaza, New York, NY.