Alexis Lequoc sells DDOG shares under 10b5-1

Alexis T. Lequoc reported multiple sales of Class A Common stock under Rule 144 and 10b5-1 plans.

Rhea-AI Filing Summary

Alexis T. Lequoc reported multiple sales of Class A Common stock under Rule 144 and 10b5-1 plans. The disclosure lists several transactions between 02/11/2026 and 04/22/2026, including a 53,541-share sale for $5,918,202.62 on 03/02/2026.

The filing also shows option exercises on 05/04/2026 totaling 10,688 shares and earlier exercises on 12/06/2023 for 32,418 shares.

Key Figures

Sale on 03/02/2026: 53,541 shares Proceeds on 03/02/2026: $5,918,202.62 Sale on 04/22/2026: 43,224 shares +4 more

7 metrics

Sale on 03/02/2026 53,541 shares Sale reported for <date>03/02/2026</date>

Proceeds on 03/02/2026 $5,918,202.62 Proceeds tied to the 53,541-share sale on <date>03/02/2026</date>

Sale on 04/22/2026 43,224 shares 10b5-1 sale dated <date>04/22/2026</date>

Proceeds on 04/22/2026 $5,655,315.78 Proceeds from 10b5-1 sale on <date>04/22/2026</date>

Option exercise 05/04/2026 10,688 shares Exercise of Stock Options on <date>05/04/2026</date>

Prior exercise 12/06/2023 32,418 shares Previously exercised stock options on <date>12/06/2023</date>

Sale on 03/10/2026 43,224 shares 10b5-1 sale dated <date>03/10/2026</date>

Key Terms

10b5-1 Sales, Exercise of Stock Options, Rule 144, Cash Common

4 terms

10b5-1 Sales regulatory

"10b5-1 Sales for ALEXIS T LEQUOC 04/22/2026 43224 5655315.78"

10b5-1 sales are pre-arranged stock-trading plans that let company insiders automatically buy or sell shares according to a fixed schedule or formula, even if they later learn confidential information. Think of it as setting up an automatic thermostat for trades: it creates a clear, documented path that can protect insiders from insider-trading accusations and gives investors a signal about predictable insider activity—though it can also simply be a way for insiders to diversify or raise cash.

Exercise of Stock Options financial

"Exercise of Stock Options | Issuer | 10688 | 05/04/2026"

Rule 144 regulatory

"144: Securities Sold During The Past 3 Months"

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.

Cash Common financial

"Exercise of Stock Options ... Cash Common | 12/06/2023"

FAQ

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

What did DDOG insider Alexis T. Lequoc disclose in this Form 144?

Alexis T. Lequoc disclosed multiple open-market sales under 10b5-1 plans and option exercises. The filing lists transactions from 02/11/2026 to 04/22/2026, and option exercises on 05/04/2026 and 12/06/2023.

How many shares did Alexis T. Lequoc sell on March 2, 2026 for DDOG?

On 03/02/2026, the filing shows a sale of 53,541 shares for $5,918,202.62. This is listed among multiple 10b5-1 and other reported dispositions during the excerpted period.

Were the sales reported as 10b5-1 plan transactions in the DDOG Form 144?

Yes. Several entries are explicitly labeled 10b5-1 Sales, indicating transactions executed under pre-arranged trading plans. Dates in the excerpt include 02/11/2026, 03/10/2026, and 04/22/2026.

Does the filing show any option exercises for Alexis T. Lequoc?

Yes. The excerpt records an Exercise of Stock Options on 05/04/2026 for 10,688 shares and earlier exercises on 12/06/2023 for 32,418 shares. Cash was used for those exercises per the table.

What dollar amounts are reported for the largest listed transactions in this excerpt?

The excerpt shows multiple dollar proceeds; the largest listed example is $5,918,202.62 for 53,541 shares on 03/02/2026. Several other 10b5-1 sales list proceeds between roughly $1.24M and $5.65M.

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

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Accepted by SEC EDGAR 05/04/2026 - 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	43106	6057686.18	328274648	05/04/2026	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	05/04/2026	Exercise of Stock Options	Issuer			10688	05/04/2026	Cash
Common	12/06/2023	Previously Exercised Stock Options	Issuer			32418	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	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
10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	02/11/2026	32418	4110310.64
10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	02/11/2026	10688	1355142.21

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	05/04/2026
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)