Datadog (NASDAQ: DDOG) CTO Le-Quoc exercises options and sells shares

Rhea-AI Filing Summary

Datadog, Inc. Chief Technology Officer and director Alexis Le-Quoc reported multiple equity transactions dated January 5, 2026. He exercised a stock option for 18,750 shares of Class B Common Stock at an exercise price of $10.74 per share. He then converted 10,688 and 32,418 shares of Class B Common Stock into the same number of Class A Common Stock at no cost.

On the same date, he sold 13,869, 20,011, 9,126 and 100 shares of Class A Common Stock in separate transactions at weighted-average prices of $133.2475, $133.8479, $135.1124 and $135.6 per share, respectively, under a Rule 10b5-1 trading plan dated June 13, 2025. After these transactions, he directly held 301,458 shares of Class A Common Stock and 2,642,200 shares of Class B Common Stock, and the Alexis Le-Quoc Revocable Trust held 169 shares of Class A Common Stock and 6,203,835 shares of Class B Common Stock.

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
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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)
01/05/2026

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	01/05/2026		C(1)		10,688	A	$0	312,146	D
Class A Common Stock	01/05/2026		C(1)		32,418	A	$0	344,564	D
Class A Common Stock	01/05/2026		S(2)		13,869	D	$133.2475(3)	330,695	D
Class A Common Stock	01/05/2026		S(2)		20,011	D	$133.8479(4)	310,684	D
Class A Common Stock	01/05/2026		S(2)		9,126	D	$135.1124(5)	301,558	D
Class A Common Stock	01/05/2026		S(2)		100	D	$135.6	301,458	D
Class A Common Stock								169	I	By Trust(6)

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	01/05/2026		M			18,750	(7)	07/19/2029	Class B Common Stock	18,750	$0	393,750	D
Class B Common Stock	(1)	01/05/2026		M		18,750		(1)	(1)	Class A Common Stock	18,750	$10.74	2,685,306	D
Class B Common Stock	(1)	01/05/2026		C			10,688	(1)	(1)	Class A Common Stock	10,688	$0	2,674,618	D
Class B Common Stock	(1)	01/05/2026		C			32,418	(1)	(1)	Class A Common Stock	32,418	$0	2,642,200	D
Class B Common Stock	(1)							(1)	(1)	Class A Common Stock	6,203,835		6,203,835	I	By Trust(6)

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 $132.54 to $133.53. 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 $133.54 to $134.51. 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 $134.57 to $135.54. 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. Shares are held by the Alexis Le-Quoc Revocable Trust.

7. Option is fully vested and exercisable.

Remarks:

	/s/ Kerry Acocella, Attorney-in-Fact	01/07/2026
	** 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 insider transactions did Datadog (DDOG) CTO Alexis Le-Quoc report on this Form 4?

Alexis Le-Quoc reported exercising a stock option for 18,750 shares of Class B Common Stock, converting a total of 43,106 Class B shares into Class A Common Stock, and selling four blocks of Class A Common Stock totaling several tens of thousands of shares on January 5, 2026.

At what prices did Alexis Le-Quoc sell Datadog (DDOG) Class A shares?

He sold Class A Common Stock at weighted-average prices of $133.2475, $133.8479, $135.1124 and $135.6 per share, with each transaction covering a separate block of shares.

Was the Datadog (DDOG) insider sale by Alexis Le-Quoc under a 10b5-1 trading plan?

Yes. A footnote states that the shares sold were pursuant to a Rule 10b5-1 plan dated June 13, 2025, indicating a pre-established trading arrangement.

How many Datadog (DDOG) shares does Alexis Le-Quoc own after the reported Form 4 transactions?

Following the reported transactions, he directly owned 301,458 shares of Class A Common Stock and 2,642,200 shares of Class B Common Stock, and the Alexis Le-Quoc Revocable Trust held 169 shares of Class A and 6,203,835 shares of Class B.

What are the key terms of Datadog (DDOG) Class B to Class A share conversion reported by Alexis Le-Quoc?

Each share of Class B Common Stock is convertible at any time into one share of Class A Common Stock at the option of the reporting person and has no expiration date. Class B shares also automatically convert into Class A upon certain transfers, upon the reporting person's death for specified holdings, or on the tenth anniversary of Datadog's initial public offering of Class A Common Stock.

Who holds some of Alexis Le-Quoc’s Datadog (DDOG) shares indirectly?

A footnote explains that certain shares are held by the Alexis Le-Quoc Revocable Trust, which is reported as indirectly owning 6,203,835 shares of Class B Common Stock and 169 shares of Class A Common Stock.