Insider plans stock sale (NASDAQ: DDOG) under Rule 144

Rhea-AI Filing Summary

Alexis T. Lequoc has filed a notice of proposed sale under Rule 144 to sell 43,106 shares of Class A Common stock through Morgan Stanley Smith Barney LLC, with an aggregate market value of $5,589,555.02. The shares relate to prior and recent cash exercises of stock options, including 10,688 shares acquired on 02/11/2026 and 32,418 shares acquired on 12/06/2023. The planned sale is scheduled around 02/11/2026 on the NASDAQ, where 325,443,373 shares of this class were outstanding. The filing also lists multiple recent 10b5-1 plan sales of Class A Common over the past three months for the same account.

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

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	43106	5589555.02	325443373	02/11/2026	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	02/11/2026	Exercise of Stock Options	Issuer			10688	02/11/2026	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	01/28/2026	32418	4570510.08
10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	01/05/2026	32418	4341580.65
10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	01/05/2026	10688	1431454.53
10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	12/29/2025	32418	4468786.72
10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	12/08/2025	43224	6656349.04
10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	12/08/2025	10688	1648854.86
ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	12/02/2025	13765	2183108.35
10b5-1 Sales for ALEXIS T LEQUOC 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	11/24/2025	43224	6850774.91

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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 Rule 144 filing by Alexis T. Lequoc disclose?

The filing discloses a planned Rule 144 stock sale. Alexis T. Lequoc intends to sell 43,106 shares of Class A Common, with an aggregate market value of $5,589,555.02, through Morgan Stanley Smith Barney LLC on NASDAQ around February 11, 2026.

How many DDOG shares are covered by Alexis T. Lequoc’s planned sale?

The notice covers 43,106 shares of Class A Common. These shares are tied to stock options that were exercised for cash on 02/11/2026 and 12/06/2023, and their aggregate market value is stated as $5,589,555.02 in the filing.

What is the role of stock options in Alexis T. Lequoc’s DDOG share sale?

The shares being sold arise from stock option exercises. The filing shows 10,688 shares acquired on 02/11/2026 and 32,418 shares on 12/06/2023, both through cash exercises of options granted by the issuer, which are now being sold under Rule 144.

Which broker and exchange are involved in this DDOG Rule 144 transaction?

Morgan Stanley Smith Barney LLC is the broker for the sale. The filing lists its Executive Financial Services office in New York, with the Class A Common shares to be sold on the NASDAQ stock market as of the stated approximate sale date.

How many DDOG Class A shares were outstanding when the Rule 144 notice was filed?

The filing reports 325,443,373 shares outstanding. This figure refers to the number of Class A Common shares outstanding for the issuer at the time referenced, providing context for the planned sale of 43,106 shares under Rule 144.

What recent DDOG stock sales by Alexis T. Lequoc are listed in the past 3 months?

The filing lists several recent 10b5-1 sales. These include multiple Class A Common trades between November 24, 2025 and January 28, 2026, such as 43,224 shares sold on 12/08/2025 for gross proceeds of $6,656,349.04.