Datadog CFO awarded 132,538 performance-based shares

Datadog Chief Financial Officer David M. Obstler reported an equity award tied to performance goals.

Rhea-AI Filing Summary

Datadog Chief Financial Officer David M. Obstler reported an equity award tied to performance goals. On February 5, 2026 he acquired 132,538 shares of Datadog Class A common stock at $0 per share, reflecting performance-based restricted stock units earned from an April 1, 2025 grant.

After this award, he beneficially owned 506,676 shares directly. The earned PSUs will vest over time, with one-quarter scheduled to vest on March 1, 2026 and the remaining shares vesting in equal installments on June 1, September 1, December 1 and March 1 of subsequent years, as long as he remains in continuous service under Datadog’s 2019 Equity Incentive Plan.

Insider Trade Summary

Grant/Award: 132,538 shares

Grant/Award 1 txn

Insider OBSTLER DAVID M

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock	132,538	$0.00	$0.00

Holdings After Transaction: Class A Common Stock — 506,676 shares (Direct)

Footnotes (1)

1. F1. On April 1, 2025, the Reporting Person was granted restricted stock units, the vesting of which was subject to both performance-based and service-based criteria ("PSUs"). The number of shares reported represents the number of PSUs that were earned as a result of the achievement of such performance criteria. Such earned PSUs will vest as to service as to 1/4 of the shares on March 1, 2026 and 1/12 of the remaining shares on each June 1, September 1, December 1 and March 1 thereafter, subject in each case to the Reporting Person remaining in Continuous Service (as defined in the Issuer's 2019 Equity Incentive Plan) of the Issuer as of each such date.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Datadog (DDOG) report for its CFO?

Datadog reported that CFO David M. Obstler acquired 132,538 Class A shares at $0 per share. These represent performance-based restricted stock units that were earned after meeting performance criteria from an April 1, 2025 grant and are now subject to time-based vesting.

How many Datadog (DDOG) shares does the CFO own after this Form 4?

After the reported transaction, CFO David M. Obstler beneficially owned 506,676 shares of Datadog Class A common stock directly. This updated holding reflects the addition of 132,538 earned performance-based restricted stock units credited on February 5, 2026.

What are the terms of the Datadog CFO’s performance-based RSUs?

The performance-based RSUs were granted on April 1, 2025 and became earned after meeting performance criteria. The earned units will vest 25% on March 1, 2026, with the remaining shares vesting in twelve equal quarterly installments, conditioned on continued service to Datadog.

When will the Datadog (DDOG) CFO’s earned PSUs fully vest?

The earned PSUs start vesting with 1/4 of the shares on March 1, 2026. The remaining shares vest in 12 equal installments each June 1, September 1, December 1 and March 1, subject to the CFO’s continuous service under Datadog’s 2019 Equity Incentive Plan.

Was the Datadog CFO’s Form 4 transaction a stock purchase or a grant?

The Form 4 reflects an acquisition at $0 per share, consistent with vesting or certification of performance-based restricted stock units. It is tied to PSUs granted on April 1, 2025 that became earned after achieving performance criteria, not an open-market stock purchase.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/09/2026 - 05:21 PM EST Learn about SEC filing dates

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^*

OBSTLER DAVID M

(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)
	Chief Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/05/2026

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	02/05/2026		A		132,538(1)	A	$0	506,676	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. On April 1, 2025, the Reporting Person was granted restricted stock units, the vesting of which was subject to both performance-based and service-based criteria ("PSUs"). The number of shares reported represents the number of PSUs that were earned as a result of the achievement of such performance criteria. Such earned PSUs will vest as to service as to 1/4 of the shares on March 1, 2026 and 1/12 of the remaining shares on each June 1, September 1, December 1 and March 1 thereafter, subject in each case to the Reporting Person remaining in Continuous Service (as defined in the Issuer's 2019 Equity Incentive Plan) of the Issuer as of each such date.

Remarks:

	/s/ Kerry Acocella, Attorney-in-Fact	02/09/2026
	** 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.