[Form 4] Datadog, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Datadog insider filing: This Form 4 shows Olivier Pomel, Datadog CEO and director, reported transactions on 09/23/2025. He acquired 11,195 shares of Class B common stock that are convertible into Class A shares and, on the same date, sold a total of 11,195 shares of Class A common stock in three block sales under a 10b5-1 plan dated September 13, 2024. The reported weighted-average sale prices ranged from $136.79 to $139.58 per share, with the three reported weighted averages at $137.3464, $138.2773 and $139.1896 respectively. Following the transactions the filing shows 533,358 shares of Class A common stock directly held and a total of 8,538,102 Class A shares beneficially owned following the reported derivative conversion.

Positive

• Timely and detailed compliance with SEC reporting requirements, including weighted-average sale prices and 10b5-1 plan disclosure
• Substantial retained beneficial ownership of 8,538,102 Class A shares, maintaining alignment with shareholders

Negative

• Insider sales totaling 11,195 shares executed on 09/23/2025 under a 10b5-1 plan, representing insider liquidity
• Weighted-average sale prices show disposals in the $136.79–$139.58 range, which may slightly reduce insider shareholdings

Insights

Corporate Governance Expert

TL;DR: Insider sold shares under a 10b5-1 plan while retaining substantial beneficial ownership.

Olivier Pomel's sales were executed pursuant to a pre-existing 10b5-1 plan, which typically reduces concerns about opportunistic timing. The filing discloses both an acquisition of convertible Class B shares and contemporaneous sales of Class A shares that net to the same number of shares, indicating routine portfolio management or tax/liquidity planning. Reporting is timely and includes weighted-average prices and price ranges as required. Materiality is limited given continued large beneficial ownership of 8,538,102 shares, which preserves alignment with long-term shareholders.

Securities Analyst

TL;DR: The transactions represent modest insider liquidity with no change to control.

The filing documents 11,195 shares moved via conversion and sale at weighted-average prices in the $137-139 range. The sales were executed under a 10b5-1 plan dated September 13, 2024, which indicates pre-planned disposition rather than reactive selling. The residual direct holding of 533,358 Class A shares and aggregate beneficial ownership of 8,538,102 shares remain substantial relative to typical executive stakes. There is no indication of change in governance or control from these transactions.

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).

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)
09/23/2025

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	09/23/2025		C(1)		11,195	A	(1)	544,553	D
Class A Common Stock	09/23/2025		S(2)		6,865	D	$137.3464(3)	537,688	D
Class A Common Stock	09/23/2025		S(2)		1,430	D	$138.2773(4)	536,258	D
Class A Common Stock	09/23/2025		S(2)		2,900	D	$139.1896(5)	533,358	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)	09/23/2025		C(1)			11,195	(1)	(1)	Class A Common Stock	11,195	$0	8,538,102	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 sold pursuant to a 10b5-1 plan dated September 13, 2024.

3. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $136.785 to $137.78. 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 $137.83 to $138.76. 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 $138.85 to $139.58. 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, Attorney-in-Fact	09/24/2025
	** 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 transactions did Olivier Pomel report on Form 4 for DDOG?

He reported acquiring 11,195 Class B shares (convertible to Class A) and selling a total of 11,195 Class A shares on 09/23/2025.

Were the sales executed under a trading plan for DDOG insider filings?

Yes, the shares sold were pursuant to a 10b5-1 plan dated September 13, 2024.

What sale prices were disclosed in the Form 4 for DDOG transactions?

The filing reports weighted-average prices of $137.3464, $138.2773 and $139.1896 with detailed price ranges of $136.785–$139.58 across the transactions.

How many DDOG shares does Olivier Pomel beneficially own after these transactions?

The filing shows 533,358 Class A shares directly beneficially owned following the reported transactions and 8,538,102 Class A shares beneficially owned following derivative conversion.

Did these transactions change control of Datadog (DDOG)?

No indication of any change in control is disclosed; the filing shows continued substantial beneficial ownership.

When were the reported transactions executed for DDOG Form 4?

All reported transactions occurred on 09/23/2025.