DDOG insider files Rule 144 notice to sell shares

Adam Blitzer submitted a Rule 144 notice to sell 13,642 shares of Common Stock of DDOG.

Rhea-AI Filing Summary

Adam Blitzer submitted a Rule 144 notice to sell 13,642 shares of Common Stock of DDOG. The filing lists the sale date as 06/01/2026 and aggregate proceeds of $3,644,929.20. The notice also itemizes 5,081 Restricted Stock Units and 7,121 Performance Stock Units with grant/award date 06/01/2026.

Insights

Securities Attorney

Rule 144 notice for an officer/insider sale of DDOG shares.

Rule 144 filings notify the market of an intended resale under resale safe‑harbors. This filing reports a proposed sale of 13,642 shares on 06/01/2026 with proceeds listed as $3,644,929.20.

Trading mechanics and whether sale occurred are not shown here; subsequent transaction reports or broker confirmations would show execution. The notice names a broker-dealer and lists equity awards (RSUs and PSUs) with the same 06/01/2026.

Equity Compensation Specialist

RSU and PSU counts are disclosed alongside the resale notice.

The filing lists 5,081 Restricted Stock Units and 7,121 Performance Stock Units with an issuer grant date of 06/01/2026. Those units are shown as securities to be sold or connected to the holder's position.

The document does not state vesting status or whether the RSUs/PSUs were the source of the shares sold; follow-up filings will clarify source and post-sale holdings.

Key Figures

Form type: Form 144 notice Shares to be resold: 13,642 shares Aggregate proceeds listed: $3,644,929.20 +4 more

7 metrics

Form type Form 144 notice Rule 144 resale notice

Shares to be resold 13,642 shares <date>06/01/2026</date>

Aggregate proceeds listed $3,644,929.20 Proceeds tied to 13,642 shares on <date>06/01/2026</date>

Restricted Stock Units 5,081 units Grant/award date <date>06/01/2026</date>

Performance Stock Units 7,121 units Grant/award date <date>06/01/2026</date>

Broker-dealer listed Morgan Stanley Smith Barney LLC Broker in securities-to-be-sold section

Filing date shown 06/03/2026 Filer information section

Key Terms

Rule 144, Restricted Stock Units, Performance Stock Units, Aggregate proceeds

4 terms

Rule 144 regulatory

"submitted a Rule 144 notice to sell 13,642 shares"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock Units financial

"Restricted Stock Units | Issuer | 5,081 | 06/01/2026"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Performance Stock Units financial

"Performance Stock Units | Issuer | 7,121 | 06/01/2026"

Performance stock units are a type of company award that grants employees shares of stock only if certain performance goals are met. They motivate employees to work toward specific company achievements, aligning their interests with those of shareholders. For investors, they can influence a company's future stock supply and reflect management’s confidence in reaching key targets.

Aggregate proceeds financial

"13642 | 3644929.20"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did the DDOG Rule 144 notice report?

The filing reports a proposed resale of 13,642 shares by Adam Blitzer on 06/01/2026. It also lists proceeds of $3,644,929.20 and shows related RSUs and PSUs dated 06/01/2026.

Does this Form 144 mean the shares were sold for DDOG?

No definitive sale execution is shown in this notice; it reports an intended resale under Rule 144. Execution, settlement, and final proceeds would appear in later transaction confirmations or broker records.

How many equity awards are listed in the DDOG filing?

The notice lists 5,081 Restricted Stock Units and 7,121 Performance Stock Units, both dated 06/01/2026. The filing does not state vesting or conversion details for those awards.

Who appears as the broker or selling agent in the filing?

The filing names Morgan Stanley Smith Barney LLC Executive Financial Services at 1 New York Plaza, 8th Floor, New York. The broker is listed in the securities-to-be-sold section.

What proceeds amount does the DDOG notice show?

The document lists aggregate proceeds of $3,644,929.20 tied to the 13,642 shares entry dated 06/01/2026. The filing does not state net proceeds or fees.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/03/2026 - 04:30 PM EDT Learn about SEC filing dates

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	0001861590
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Datadog, Inc.
SEC File Number	001-39051
Address of Issuer	620 8th Avenue, 45th Floor New York NEW YORK 10018
Phone	8663294466
Name of Person for Whose Account the Securities are To Be Sold	ADAM BLITZER
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	Officer

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	12202	3283924.26	330825798	06/03/2026	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	06/01/2026	Restricted Stock Units	Issuer			5081	06/01/2026	N/A
Common	06/01/2026	Performance Stock Units	Issuer			7121	06/01/2026	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	Common	06/01/2026	13642	3644929.20

144: Remarks and Signature

Remarks	Securities to be sold, acquired through RSU/PSU or upon option exercise, were registered on Form S-8
Date of Notice	06/03/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	08/22/2025
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	/s/ Adam Blitzer
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)