Alexis Lequoc sells Class A shares under 10b5-1 plan

Alexis T Lequoc reported multiple sales of Class A Common shares under a Rule 10b5-1 plan.

Rhea-AI Filing Summary

Alexis T Lequoc reported multiple sales of Class A Common shares under a Rule 10b5-1 plan. The filing lists a series of brokered sales conducted through Morgan Stanley Smith Barney, including a 53,541-share sale on 03/02/2026 for $5,918,202.62. The transactions are routine dispositions under a prearranged plan.

Insights

Corporate Governance Specialist

Insider executed scheduled sales under a 10b5-1 plan; no novel governance event.

The filing documents multiple 10b5-1 sales of Class A Common stock by Alexis T Lequoc through Morgan Stanley Smith Barney. The pattern and labeling indicate prearranged dispositions rather than discretionary open-market timing.

Because these are plan-based sales, they typically carry limited informational value about company fundamentals; subsequent filings or equity position disclosures would provide the remaining context.

Key Figures

Largest single trade: 53,541 shares Sale on 05/05/2026: 10,806 shares Sale on 05/04/2026: 32,418 shares +2 more

5 metrics

Largest single trade 53,541 shares 03/02/2026 sale for $5,918,202.62

Sale on 05/05/2026 10,806 shares 05/05/2026 proceeds $1,620,900.00

Sale on 05/04/2026 32,418 shares 05/04/2026 proceeds $4,698,507.15

Sale on 04/22/2026 43,224 shares 04/22/2026 proceeds $5,655,315.78

Sale on 03/10/2026 43,224 shares 03/10/2026 proceeds $5,424,382.91

Key Terms

10b5-1, Form 144, Class A Common

3 terms

10b5-1 regulatory

"10b5-1 Sales for ALEXIS T LEQUOC 05/05/2026 10806 1620900.00"

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.

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.

Class A Common financial

"Class A Common | 05/05/2026 | 10806 | 1620900.00"

FAQ

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

What did the Form 144 filed for DDOG disclose about insider sales?

It discloses multiple sales of Class A Common shares by Alexis T Lequoc under a 10b5-1 plan. The filing lists brokered transactions on dates including 03/02/2026 and 05/05/2026 with per-trade proceeds shown in the filing.

How many shares were sold in the largest trade shown in the excerpt for DDOG?

The largest single trade listed is 53,541 shares sold on 03/02/2026 for $5,918,202.62. The excerpt contains multiple other sales with per-trade share counts and dollar proceeds reported alongside each transaction date.

Were these sales executed under a Rule 10b5-1 trading plan?

Yes. The excerpt repeatedly labels the transactions as "10b5-1 Sales for ALEXIS T LEQUOC." That designation indicates the sales were made pursuant to prearranged trading instructions rather than ad-hoc discretionary trades.

Who handled the brokerage execution for the reported DDOG sales?

Brokerage activity is shown through Morgan Stanley Smith Barney LLC. The filing identifies Morgan Stanley Smith Barney LLC as the executing broker for the listed Class A Common share sales in the excerpt.

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

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Accepted by SEC EDGAR 05/18/2026 - 04:35 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	43224	8989727.52	330825798	05/18/2026	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	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
10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	05/05/2026	10806	1620900.00
10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	05/04/2026	32418	4698507.15
10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	05/04/2026	10688	1549025.73
10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	04/22/2026	43224	5655315.78
10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	04/06/2026	21612	2516931.36
10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	04/06/2026	10688	1244723.41
10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	03/23/2026	32418	4141418.95
10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	03/10/2026	43224	5424382.91
10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	03/10/2026	10688	1341287.35
ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	03/02/2026	53541	5918202.62
10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	02/23/2026	21612	2266660.08

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	05/18/2026
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)