Insider plans sale of 53,912 DDOG Class A shares

Rhea-AI Filing Summary

An affiliate of DDOG, identified as Alexis T Lequoc, filed a notice to sell up to 53,912 shares of Class A Common Stock through Morgan Stanley Smith Barney LLC, with an indicated market value of $12,611,634.16 and total Class A shares outstanding of 334,904,614 as of August 10, 2026.

The filing references shares issuable or previously issued from stock option exercises and lists multiple recent Rule 10b5-1 sales between May and July 2026, including several transactions of 43,224 shares each and other smaller trades.

Key Figures

Planned shares to be sold: 53,912 shares Market value of planned sale: $12,611,634.16 Shares outstanding: 334,904,614 shares +5 more

8 metrics

Planned shares to be sold 53,912 shares Class A Common Stock to be sold through Morgan Stanley Smith Barney LLC

Market value of planned sale $12,611,634.16 Indicated value of 53,912 shares as of August 10, 2026

Shares outstanding 334,904,614 shares Class A Common shares outstanding as of August 10, 2026

10b5-1 sale on 07/20/2026 43,224 shares for $11,464,111.33 Rule 10b5-1 sale of Class A Common by Alexis T Lequoc

10b5-1 sale on 06/22/2026 43,224 shares for $9,551,315.34 Rule 10b5-1 sale of Class A Common by Alexis T Lequoc

Non-plan sale on 06/02/2026 21,506 shares for $5,745,422.53 Sale of Class A Common by Alexis T Lequoc not labeled 10b5-1

Shares from option exercise 08/10/2026 21,612 shares Class A Common related to Exercise of Stock Options

Shares from prior option exercise 12/06/2023 32,300 shares Class A Common related to Previously Exercised Stock Options

Key Terms

Rule 10b5-1, Exercise of Stock Options, Previously Exercised Stock Options, Class A Common, +1 more

5 terms

Rule 10b5-1 regulatory

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

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

Exercise of Stock Options financial

"Common | 08/10/2026 | Exercise of Stock Options | Issuer"

Previously Exercised Stock Options financial

"Common | 12/06/2023 | Previously Exercised Stock Options | Issuer"

Class A Common financial

"Class A Common | Morgan Stanley Smith Barney LLC Executive Financial Services"

Form 144 regulatory

"144: Securities Sold During The Past 3 Months"

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.

FAQ

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

What share sale is disclosed for DDOG in this Form 144?

The filing discloses a planned sale of up to 53,912 shares of DDOG Class A Common Stock, with an indicated market value of $12,611,634.16 as of August 10, 2026.

Who is the selling security holder in the DDOG Form 144?

The selling security holder is listed as Alexis T Lequoc, with sales executed or planned in DDOG Class A Common Stock, including several trades under a Rule 10b5-1 plan during May–July 2026.

How many DDOG shares are outstanding according to this notice?

The notice states that there are 334,904,614 DDOG Class A Common shares outstanding as of August 10, 2026, providing context for the relative size of the planned 53,912-share sale.

What recent 10b5-1 sales in DDOG stock are listed for Alexis T Lequoc?

Recent 10b5-1 sales include 43,224 shares on July 20, 2026 for $11,464,111.33, plus several additional trades on July 8, June 22, June 1, and May 18, 2026, each with specified share counts and dollar amounts.

Are DDOG stock options involved in the Form 144 for Alexis T Lequoc?

Yes. The securities to be sold include DDOG Class A Common tied to an Exercise of Stock Options on August 10, 2026 for 21,612 shares and to Previously Exercised Stock Options on December 6, 2023 for 32,300 shares.

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

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Accepted by SEC EDGAR 08/10/2026 - 04:47 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	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	53912	12611634.16	334904614	08/10/2026	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	08/10/2026	Exercise of Stock Options	Issuer			21612	08/10/2026	Cash
Common	12/06/2023	Previously Exercised Stock Options	Issuer			32300	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	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
10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	05/18/2026	43224	8992459.28

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	08/10/2026
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)