Datadog (DDOG) legal chief sells 17,653 shares for tax withholding

Rhea-AI Filing Summary

Datadog, Inc. reported that its General Counsel and Secretary, Kerry Acocella, completed an open-market sale of 17,653 shares of Class A common stock. The weighted-average sale price was about $110.54 per share, with individual trades ranging from $110.53 to $111.67.

According to the disclosure, Datadog required this sale solely to cover tax withholding obligations tied to the vesting of restricted stock units and performance-based restricted stock units, including related brokerage fees. After these transactions, Acocella directly holds 125,721 shares of Datadog Class A 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
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).

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^*

Acocella Kerry

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	General Counsel and Secretary

3. Date of Earliest Transaction (Month/Day/Year)
03/02/2026

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	03/02/2026		S(1)		17,653	D	$110.5357(2)	125,721	D

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

Explanation of Responses:

1. The Reporting Person was required by the Issuer to sell only the number of shares of common stock necessary to cover applicable tax withholding obligations realized upon the vesting of restricted stock units and performance-based restricted stock units, as well as any related brokerage commission fees.

2. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $110.53 to $111.67. 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.

Remarks:

	/s/ Kerry Acocella	03/04/2026
	** 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 transaction did Datadog (DDOG) report for Kerry Acocella?

Datadog reported that General Counsel and Secretary Kerry Acocella sold 17,653 shares of Class A common stock. The transaction was an open-market sale executed to cover tax withholding obligations from vesting restricted stock units and performance-based restricted stock units, plus related brokerage commissions.

At what price were the Datadog (DDOG) shares sold by Kerry Acocella?

The weighted-average sale price was approximately $110.54 per share. The filing notes that individual trades occurred in a price range from $110.53 to $111.67, and Acocella will provide full breakdowns of shares sold at each separate price upon request to relevant parties.

Why did Datadog executive Kerry Acocella sell shares of DDOG stock?

The company required Acocella to sell shares only to cover applicable tax withholding obligations. These obligations arose from the vesting of restricted stock units and performance-based restricted stock units, as well as any associated brokerage commission fees, rather than for discretionary portfolio reallocation.

How many Datadog (DDOG) shares does Kerry Acocella own after the sale?

Following the reported transaction, Kerry Acocella directly holds 125,721 shares of Datadog Class A common stock. This figure reflects her direct ownership after selling 17,653 shares to satisfy tax withholding requirements tied to recently vested equity awards, according to the Form 4 disclosure.

What role does Kerry Acocella hold at Datadog (DDOG)?

Kerry Acocella serves as Datadog’s General Counsel and Secretary. This means she is the company’s top legal officer and corporate secretary, overseeing legal matters and corporate governance, and her equity transactions are reported as insider activity under Section 16 rules.