Datadog (DDOG) insider lines up fresh stock sale

Rhea-AI Filing Summary

Datadog, Inc. (DDOG) received a notice under Rule 144 that Alexis T. Le-Quoc, as the person for whose account the securities are to be sold, plans to sell 43,224 shares of Class A Common Stock through Morgan Stanley Smith Barney LLC. The shares were acquired from previously exercised stock options and from RSU/PSU awards that were registered on Form S-8. The planned sale has an aggregate market value of $10,184,438.88. Datadog reports that 334,904,614 shares of Class A Common Stock are outstanding. Over the past three months, Le-Quoc has already completed several 10b5-1 plan sales, including 43,224 shares on 06/22/2026 for $9,551,315.34 and 43,224 shares on 07/20/2026 for $11,464,111.33.

Key Figures

Shares to be sold under Rule 144: 43,224 shares of Class A Common Stock Aggregate market value of planned sale: $10,184,438.88 Shares outstanding: 334,904,614 shares of Class A Common Stock +4 more

7 metrics

Shares to be sold under Rule 144 43,224 shares of Class A Common Stock Number of shares covered by the planned sale through Morgan Stanley Smith Barney LLC

Aggregate market value of planned sale $10,184,438.88 Aggregate market value of the 43,224 shares to be sold

Shares outstanding 334,904,614 shares of Class A Common Stock Shares outstanding for Datadog, Inc. referenced in the notice

10b5-1 sale on 06/22/2026 43,224 shares for $9,551,315.34 Recent 10b5-1 sale of Class A Common Stock by Alexis T. Le-Quoc

10b5-1 sale on 07/20/2026 43,224 shares for $11,464,111.33 Recent 10b5-1 sale of Class A Common Stock by Alexis T. Le-Quoc

10b5-1 sale on 06/01/2026 (smaller block) 10,688 shares for $2,896,928.96 Additional 10b5-1 sale disclosed for Class A Common Stock

Non-10b5-1 sale on 06/02/2026 21,506 shares for $5,745,422.53 Sale of Class A Common Stock by Alexis T. Le-Quoc listed without 10b5-1 designation

Key Terms

Rule 144, Form S-8, 10b5-1, RSU/PSU, +1 more

5 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.

Form S-8 regulatory

"Securities to be sold, acquired through RSU/PSU or upon option exercise, 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.

10b5-1 regulatory

"10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor"

A 10b5-1 plan is a pre-set schedule that lets company insiders buy or sell shares according to written instructions made when they do not possess material, nonpublic information. Think of it as a timed automatic payment for stock trades: it helps insiders avoid accusations of trading on secret information and gives outside investors a clearer signal about whether sales are routine or potentially informative about the company’s prospects.

RSU/PSU financial

"Securities to be sold, acquired through RSU/PSU or upon option exercise, were registered"

stock options financial

"The securities to be sold were acquired upon the previous exercise of stock options"

Stock options are agreements that give a person the right to buy or sell a company's stock at a specific price within a certain time frame. They are often used as a reward or incentive, similar to a coupon that can be used later if the stock price rises, allowing the holder to make a profit.

FAQ

What does the Form 144 filing by Alexis T. Le-Quoc mean for Datadog, Inc. (DDOG)?

The Form 144 notice states that Alexis T. Le-Quoc plans to sell 43,224 shares of Datadog Class A Common Stock under Rule 144 through Morgan Stanley Smith Barney LLC, with an aggregate market value of $10,184,438.88, based on Datadog’s reported outstanding shares.

How many Datadog (DDOG) shares are planned to be sold under this Rule 144 notice?

The notice reports an intention to sell 43,224 shares of Datadog Class A Common Stock. These securities were acquired through previously exercised stock options and RSU/PSU awards that were registered on Form S-8.

What is the reported market value of the Datadog (DDOG) shares covered by this Form 144?

The Form 144 lists an aggregate market value of $10,184,438.88 for the 43,224 Datadog Class A Common shares covered by the planned sale through Morgan Stanley Smith Barney LLC.

How many Datadog (DDOG) shares are outstanding according to this filing?

The filing reports that 334,904,614 shares of Datadog Class A Common Stock are outstanding. This figure is provided as context for the Rule 144 notice and is separate from the 43,224 shares covered by the planned sale.

What prior 10b5-1 sales by Alexis T. Le-Quoc in Datadog (DDOG) stock are disclosed?

The notice lists several recent 10b5-1 sales, including 43,224 shares on 06/22/2026 for $9,551,315.34, 43,224 shares on 07/08/2026 for $11,118,989.31, and 43,224 shares on 07/20/2026 for $11,464,111.33, plus additional smaller blocks such as 10,688 shares.

How were the Datadog (DDOG) shares in this Form 144 acquired?

The filing states that the securities to be sold were acquired upon the previous exercise of stock options during the period from 12/06/2023 through 10/14/2024, and through RSU/PSU awards. These shares were registered on Form S-8.

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Available on EDGAR 08/24/2026 - 04:30 PM Accepted by SEC EDGAR 08/24/2026 - 04:29 PM 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	0001783984
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	ALEXIS T LEQUOC
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	Director
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	43224	10184438.88	334904614	08/24/2026	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	12/06/2023	Previously Exercised Stock Options	Issuer			43224	12/06/2023	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	08/10/2026	43224	10951249.93
10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	08/10/2026	10688	2707915.96
10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	07/20/2026	43224	11464111.33
10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	07/08/2026	43224	11118989.31
10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	07/08/2026	10688	2749392.88
10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	06/22/2026	43224	9551315.34
ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	06/02/2026	21506	5745422.53
10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	06/01/2026	43224	11715649.08
10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	06/01/2026	10688	2896928.96

144: Remarks and Signature

Remarks	The securities to be sold were acquired upon the previous exercise of stock options during the period of 12/06/2023 through 10/14/2024. Securities to be sold, acquired through RSU/PSU or upon option exercise, were registered on Form S-8.
Date of Notice	08/24/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	06/13/2025
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/ Alexis T. Le-Quoc
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)