Datadog (DDOG) director files proposed sales of 19,834 and 23,023 shares

Rhea-AI Filing Summary

Datadog filed a Form 144 showing proposed sales of Class A Common Stock by Yanbing Li. The filing lists a proposed sale of 19,834 shares on 05/08/2026 with proceeds shown as $3,914,281.55, and a proposed sale of 23,023 shares on 03/02/2026 with proceeds shown as $2,544,865.72. The filing also lists 10,873 shares linked to Restricted Stock Units and Performance Stock Units vesting on 06/01/2026.

Insights

Insider‑Trading Analyst

Form 144 records proposed dispositions by an insider with specific share counts and proceeds.

The filing lists two proposed transactions by Yanbing Li: $3,914,281.55 tied to 19,834 shares on 05/08/2026 and $2,544,865.72 tied to 23,023 shares on 03/02/2026. It also lists 10,873 shares associated with Restricted Stock Units and Performance Stock Units vesting on 06/01/2026.

Form 144 is a notice of proposed sale under federal rules; these entries reflect the amounts and dates provided. The filing does not attach additional contract terms in the excerpt; subsequent filings or broker disclosures would show execution details and actual settlement amounts.

Key Figures

Proposed sale: 19,834 shares Proceeds listed: $3,914,281.55 Proposed sale: 23,023 shares +2 more

5 metrics

Proposed sale 19,834 shares proposed sale dated 05/08/2026

Proceeds listed $3,914,281.55 proceeds tied to 19,834 shares on 05/08/2026

Proposed sale 23,023 shares proposed sale dated 03/02/2026

Proceeds listed $2,544,865.72 proceeds tied to 23,023 shares on 03/02/2026

Vesting linked shares 10,873 Restricted Stock Units and Performance Stock Units vesting on 06/01/2026

Key Terms

Form 144, Restricted Stock Units, Performance Stock Units

3 terms

Form 144 regulatory

"144: Securities To Be Sold"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

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.

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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 Stock	Morgan Stanley Smith Barney LLC Executive Services 200 W Civic Center Dr - 4th Floor Sandy UT 84070	10873	2555155	330825798	06/02/2026	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	06/01/2026	Restricted Stock Units and Performance Stock Units vesting	Issuer			10873	06/01/2026	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	05/08/2026	19834	3914281.55
Yanbing Li 620 8th Avenue, 45th floor New York NY 10018	Class A Common Stock	03/02/2026	23023	2544865.72

144: Remarks and Signature

Remarks

Date of Notice

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 DDOG Form 144 filed by Yanbing Li report?

It reports proposed sales of Class A Common Stock by Yanbing Li, including 19,834 shares and 23,023 shares. The filing lists proceeds of $3,914,281.55 (05/08/2026) and $2,544,865.72 (03/02/2026), and a vesting entry of 10,873 shares dated 06/01/2026.

Which dates and amounts appear in the DDOG Form 144 excerpt?

The excerpt shows a proposed sale on 05/08/2026 of 19,834 shares for $3,914,281.55 and a proposed sale on 03/02/2026 of 23,023 shares for $2,544,865.72. It also lists 10,873 shares with a 06/01/2026 vesting reference.

Does the filing show the type of securities involved in the DDOG transactions?

Yes. The filing specifies Class A Common Stock and references Restricted Stock Units and Performance Stock Units vesting on 06/01/2026. Those instruments are listed in the securities section of the excerpt.

Who is the reporting person named in the DDOG Form 144 excerpt?

The reporting person named is Yanbing Li, with an address listed as 620 8th Avenue, 45th floor, New York, NY 10018. The excerpt ties the listed share counts and proceeds to that reporting person.