Datadog (NASDAQ: DDOG) CTO sells stock and exercises options

Rhea-AI Filing Summary

Datadog, Inc. reported insider transactions by Chief Technology Officer and director Alexis Le-Quoc involving stock option exercises, share conversions, and open-market sales. On February 11, 2026, he exercised stock options covering 18,750 shares of Class B Common Stock at an exercise price of $10.74 per share.

He converted Class B Common Stock into Class A Common Stock in multiple transactions, including 10,688 and 32,418 shares, at no stated conversion price. He then sold Class A shares in several open-market transactions, such as 3,270 shares at $123.1205 and 9,402 shares at $131.17, pursuant to a Rule 10b5-1 trading plan dated June 13, 2025. After these trades, he reported direct ownership of 490,798 Class A shares and indirect holdings of 6,203,835 Class B and 169 Class A shares through the Alexis Le-Quoc Revocable Trust.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Le-Quoc Alexis

(Last) (First) (Middle)

C/O DATADOG, INC.

620 8TH AVENUE, 45TH FLOOR

(Street)

NEW YORK NY 10018

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Datadog, Inc. [ DDOG ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Technology Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/11/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	02/11/2026		C(1)		10,688	A	$0	501,486	D
Class A Common Stock	02/11/2026		C(1)		32,418	A	$0	533,904	D
Class A Common Stock	02/11/2026		S(2)		3,270	D	$123.1205(3)	530,634	D
Class A Common Stock	02/11/2026		S(2)		3,761	D	$124.0758(4)	526,873	D
Class A Common Stock	02/11/2026		S(2)		10,560	D	$125.1076(5)	516,313	D
Class A Common Stock	02/11/2026		S(2)		8,377	D	$126.0585(6)	507,936	D
Class A Common Stock	02/11/2026		S(2)		6,032	D	$127.0527(7)	501,904	D
Class A Common Stock	02/11/2026		S(2)		1,704	D	$128.7737(8)	500,200	D
Class A Common Stock	02/11/2026		S(2)		9,402	D	$131.17	490,798	D
Class A Common Stock								169	I	By Trust(9)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	$10.74	02/11/2026		M			18,750	(10)	07/19/2029	Class B Common Stock	18,750	$0	375,000	D
Class B Common Stock	(1)	02/11/2026		M		18,750		(1)	(1)	Class A Common Stock	18,750	$10.74	2,628,532	D
Class B Common Stock	(1)	02/11/2026		C			10,688	(1)	(1)	Class A Common Stock	10,688	$0	2,617,844	D
Class B Common Stock	(1)	02/11/2026		C			32,418	(1)	(1)	Class A Common Stock	32,418	$0	2,585,426	D
Class B Common Stock	(1)							(1)	(1)	Class A Common Stock	6,203,835		6,203,835	I	By Trust(9)

Explanation of Responses:

1. Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

2. Shares sold pursuant to a 10b5-1 plan dated June 13, 2025.

3. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $122.53 to $123.50. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

4. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $123.53 to $124.52. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

5. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $124.56 to $125.55. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

6. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $125.58 to $126.57. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

7. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $126.58 to $127.57. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

8. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $128.50 to $129.28. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

9. Shares are held by the Alexis Le-Quoc Revocable Trust.

10. Option is fully vested and exercisable.

Remarks:

	/s/ Kerry Acocella, Attorney-in-Fact	02/13/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Datadog (DDOG) CTO Alexis Le-Quoc report in this Form 4?

Alexis Le-Quoc reported option exercises, conversions, and sales of Datadog Class A and Class B shares on February 11, 2026. The filing details an option exercise, conversions into Class A stock, and several open-market sales under a pre-established Rule 10b5-1 trading plan.

How many Datadog (DDOG) stock options did the CTO exercise?

The CTO exercised stock options covering 18,750 shares of Datadog Class B Common Stock at an exercise price of $10.74 per share. These options were fully vested and exercisable, and the underlying Class B shares are convertible into Class A shares on a one-for-one basis under stated terms.

What Datadog (DDOG) share sales did Alexis Le-Quoc disclose?

He disclosed multiple open-market sales of Datadog Class A Common Stock, including 3,270 shares at $123.1205 and 9,402 shares at $131.17 per share. All reported sales were executed under a Rule 10b5-1 plan dated June 13, 2025, according to the filing footnotes.

How many Datadog (DDOG) shares does the CTO own after these transactions?

After the reported transactions, Alexis Le-Quoc directly owns 490,798 shares of Class A Common Stock. He also reports indirect ownership of 6,203,835 shares of Class B and 169 shares of Class A through the Alexis Le-Quoc Revocable Trust, as disclosed in the tables and footnotes.

What is the significance of Datadog (DDOG) Class B shares in this Form 4?

Each Datadog Class B share is convertible into one Class A share at the holder’s option and has no expiration date. Class B shares also automatically convert upon certain events, including transfers, the holder’s death, or the tenth anniversary of Datadog’s initial public offering, as described in the footnotes.

Was the Datadog (DDOG) CTO’s stock sale part of a trading plan?

Yes. The filing states that the reported Class A share sales were made pursuant to a Rule 10b5-1 trading plan dated June 13, 2025. Such plans allow insiders to prearrange trades, helping separate personal trading decisions from day-to-day corporate developments.