Multiple 10b5-1 sales reported for DDOG (DDOG) by Alexis LeQuoc via Morgan Stanley

Rhea-AI Filing Summary

Reported proposed sale by Morgan Stanley Smith Barney LLC on behalf of an issuer-affiliated holder. The form lists multiple planned/rescheduled sales of Class A Common shares by or for Alexis T. LeQuoc executed under 10b5-1 arrangements on various dates in 2025–2026 with individual trade sizes and aggregate proceeds shown in the filing.

Insights

Equity Capital Markets Analyst

Form 144 lists scheduled 10b5-1 dispositions of Class A Common shares with per-trade proceeds recorded.

The excerpt shows multiple dispositions executed under 10b5-1 plans on dates including 01/05/2026, 02/11/2026, and 03/10/2026. Each row pairs a share count (e.g., 43,224) with a cash value (e.g., $5,424,382.91), indicating reported sales and proceeds for those dates.

Cash-flow treatment is sales proceeds to the selling holder; the filing attributes trades to a broker-dealer (Morgan Stanley Smith Barney LLC). Timing and plan mechanics are described as 10b5-1-based in the excerpt.

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	32418	4054843.44	328274648	03/23/2026	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 *
Class A 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	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
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

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 Form 144 show about insider sales?

It reports multiple proposed or completed sales of Class A Common shares under 10b5-1 plans with per-trade proceeds listed, for dates in 2025–2026.

Who executed the trades listed on the Form 144 for DDOG?

The filing lists Morgan Stanley Smith Barney LLC as the broker-dealer and identifies transactions attributed to or for Alexis T. LeQuoc under 10b5-1 arrangements.

What sizes and proceeds are shown on the DDOG Form 144?

Examples include a sale of 43,224 shares for $5,424,382.91 and 53,541 shares for $5,918,202.62, as reported on specific filing dates in the excerpt.

Are the trades described as part of a pre-arranged plan?

Yes; the excerpt repeatedly labels transactions as 10b5-1 Sales, indicating they were executed under pre-established trading plans recorded in the filing.

Does the Form 144 specify who receives the cash proceeds?

The excerpt associates sales with the selling individual or their account and a broker-dealer; it shows cash proceeds per trade but does not state recipient account details beyond the named selling party.