Datadog, Inc. (DDOG) CEO reports 348,000-share conversion and gift of stock

Rhea-AI Filing Summary

Datadog, Inc.'s chief executive officer and director reported a share conversion and charitable transfer involving the company’s stock. On 12/12/2025, the reporting person converted 348,000 shares of Class B Common Stock into 348,000 shares of Class A Common Stock at a price of $0 per share. On the same date, they disposed of 348,000 Class A shares as a gift to a donor-advised fund that will use the shares for charitable purposes. After these transactions, the reporting person directly beneficially owned 518,133 shares of Class A Common Stock and 7,974,420 derivative securities representing Class B Common Stock, which is convertible one-for-one into Class A and has no expiration date.

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

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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).

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^*

Pomel Olivier

(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 Executive Officer

3. Date of Earliest Transaction (Month/Day/Year)
12/12/2025

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	12/12/2025		C(1)		348,000	A	$0	866,133	D
Class A Common Stock	12/12/2025		G(2)		348,000	D	$0	518,133	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
Class B Common Stock	(1)	12/12/2025		C			348,000	(1)	(1)	Class A Common Stock	348,000	$0	7,974,420	D

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 donated to a donor-advised fund, which will use the gifted shares for charitable purposes.

Remarks:

	/s/ Kerry Acocella, Attorney-in-Fact	12/16/2025
	** 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 in this filing?

The filing reports that Datadog’s chief executive officer and director converted 348,000 shares of Class B Common Stock into 348,000 shares of Class A Common Stock and then gifted 348,000 Class A shares to a donor-advised fund.

How many Datadog Class A shares does the reporting person own after the transaction?

Following the reported transactions, the reporting person beneficially owned 518,133 shares of Datadog Class A Common Stock directly.

How many Datadog Class B shares remain beneficially owned after the conversion?

After converting 348,000 Class B shares, the reporting person beneficially owned 7,974,420 derivative securities representing Datadog Class B Common Stock.

What happened to the 348,000 Datadog Class A shares disposed of in the filing?

The 348,000 Class A shares were donated to a donor-advised fund, which, according to the filing, will use the gifted shares for charitable purposes.

What are the key features of Datadog’s Class B Common Stock mentioned here?

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