Datadog officer may sell 10,873 shares

Datadog officer Yanbing Li filed a Rule 144 notice covering potential open-market sales of 10,873 Class A shares from vested equity awards.

Rhea-AI Filing Summary

Datadog, Inc. (DDOG) received a notice that officer Yanbing Li may sell Class A Common Stock under Rule 144. The notice covers up to 10,873 shares, tied to vesting Restricted Stock Units and Performance Stock Units, with Morgan Stanley Smith Barney LLC Executive Services acting as broker. The securities were registered on Form S-8.

Key Figures

Shares covered by current Rule 144 notice: 10,873 shares Date of current notice: September 2, 2026 Shares sold in prior 3 months: 11,070 shares +2 more

5 metrics

Shares covered by current Rule 144 notice 10,873 shares Class A Common Stock tied to RSU and PSU vesting for Yanbing Li

Date of current notice September 2, 2026 Date of Rule 144 notice filed for potential sales

Shares sold in prior 3 months 11,070 shares Class A Common Stock sold on June 2, 2026 by Yanbing Li

Aggregate proceeds from prior sale $2,957,399.21 Proceeds from 11,070 shares of Class A Common Stock sold June 2, 2026

Security class Class A Common Stock Datadog, Inc. equity security referenced in the notice

Key Terms

Rule 144, Restricted Stock Units, Performance Stock Units, Form S-8

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144"

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 and Performance Stock Units vesting"

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

"Restricted Stock Units and Performance Stock Units vesting"

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.

Form S-8 regulatory

"Securities to be sold were registered on Form S-8"

A Form S-8 is a U.S. Securities and Exchange Commission registration that lets a public company set aside shares for employee benefit plans and stock-based compensation. Think of it as opening a dedicated account that authorizes the company to issue or reserve stock for workers and directors; it matters to investors because it enables share dilution when those awards are granted or exercised and signals how management is compensated and incentivized.

FAQ

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

What does the Form 144 filing by a Datadog (DDOG) officer disclose?

It discloses that officer Yanbing Li may sell up to 10,873 shares of Datadog Class A Common Stock under Rule 144, related to vesting Restricted Stock Units and Performance Stock Units, with the securities registered on Form S-8.

How many Datadog (DDOG) shares did Yanbing Li sell in the past three months?

Over the prior three months, 11,070 shares of Datadog Class A Common Stock were sold on June 2, 2026, for aggregate proceeds of $2,957,399.21, as reported in the Form 144 filing.

What securities are covered by the new Rule 144 notice for Datadog (DDOG)?

The notice covers 10,873 shares of Datadog Class A Common Stock, to be sold in connection with vesting Restricted Stock Units and Performance Stock Units, noted as issued as compensation and registered on Form S-8.

Which broker is listed for the potential Datadog (DDOG) share sales?

The broker listed is Morgan Stanley Smith Barney LLC Executive Services, located in Sandy, Utah, which is named as handling the Class A Common Stock covered by the Rule 144 notice.

On which market are the Datadog (DDOG) shares in this filing listed?

The Class A Common Stock referenced in the Form 144 notice is listed on the NASDAQ, as indicated in the securities information section of the filing.

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

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Available on EDGAR 09/02/2026 - 04:33 PM EDT Accepted by SEC EDGAR 09/02/2026 - 04:33 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	0001783061
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	866-329-4466
Name of Person for Whose Account the Securities are To Be Sold	Yanbing Li
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 Stock	Morgan Stanley Smith Barney LLC Executive Services 200 W Civic Center Dr - 4th Floor Sandy UT 84070	10873	2555155	334904614	09/02/2026	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 *
Class A Common Stock	09/01/2026	Restricted Stock Units and Performance Stock Units vesting	Issuer			10873	09/01/2026	Compensation

* 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
Yanbing Li 620 8th Avenue, 45th floor New York NY 10018	Class A Common Stock	06/02/2026	11070	2957399.21

144: Remarks and Signature

Remarks	Securities to be sold were registered on Form S-8
Date of Notice	09/02/2026
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/ Yanbing Li
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)