[Form 4] Datadog, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Datadog (DDOG) director reported open‑market sales of Class A common stock on 10/13/2025, executed under a Rule 10b5-1 plan dated June 14, 2024. The shares were sold indirectly by the 2019 Shah Family Trust, for which the reporting person is trustee.

Transactions included: 1,100 shares at a weighted‑average price of $160.7327 (range $160.19–$161.05); 2,852 shares at $161.7048 (range $161.25–$162.12); 1,700 shares at $162.9763 (range $162.41–$163.38); 1,564 shares at $164.0237 (range $163.42–$164.37); and 700 shares at $164.82 (range $164.53–$164.97). Following the last reported transaction, 364,449 shares were beneficially owned indirectly by the trust. The reporting person disclaims Section 16 beneficial ownership except to the extent of any pecuniary interest.

Insights

Insider activity and governance analyst

Pre‑planned sales by a director under a 10b5‑1 plan; neutral signal.

The filing lists multiple open‑market sales of Datadog Class A shares on 10/13/2025, executed under a June 14, 2024 Rule 10b5‑1 trading plan. Such plans automate trades and can reduce interpretation risk around insider timing.

Sales were made indirectly by the 2019 Shah Family Trust, with weighted‑average prices spanning $160.19–$164.97. The director remains an indirect beneficial owner of 364,449 shares after the last reported trade, held by the trust.

Because these are pre‑arranged plan sales without additional context, this is typically administrative rather than thesis‑changing. Actual market impact depends on trade size relative to liquidity, which is not addressed in the excerpt.

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^*

Shah Shardul

(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
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
10/13/2025

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	10/13/2025		S(1)		1,100	D	$160.7327(2)	371,265	I	By Trust(3)
Class A Common Stock	10/13/2025		S(1)		2,852	D	$161.7048(4)	368,413	I	By Trust(3)
Class A Common Stock	10/13/2025		S(1)		1,700	D	$162.9763(5)	366,713	I	By Trust(3)
Class A Common Stock	10/13/2025		S(1)		1,564	D	$164.0237(6)	365,149	I	By Trust(3)
Class A Common Stock	10/13/2025		S(1)		700	D	$164.82(7)	364,449	I	By Trust(3)
Class A Common Stock								2,106	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. Shares sold pursuant to a 10b5-1 plan dated June 14, 2024.

2. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $160.19 to $161.05. 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.

3. The shares are held by the 2019 Shah Family Trust, of which Reporting Person is Trustee. The Reporting Person disclaims Section 16 beneficial ownership of these shares, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such shares for Section 16 or any other purpose.

4. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $161.25 to $162.12. 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 $162.41 to $163.38. 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. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $163.42 to $164.37. 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.

7. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $164.53 to $164.97. 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	10/15/2025
	** 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 activity did Datadog (DDOG) disclose?

A director reported multiple open‑market sales of Class A common stock on 10/13/2025 under a Rule 10b5‑1 plan dated June 14, 2024.

How many Datadog shares were sold in the reported transactions?

Examples include 1,100 shares at $160.7327 and 2,852 shares at $161.7048, with additional sales of 1,700, 1,564, and 700 shares at higher prices.

What were the price ranges for the Datadog share sales?

Weighted‑average prices corresponded to ranges from $160.19–$161.05, $161.25–$162.12, $162.41–$163.38, $163.42–$164.37, and $164.53–$164.97.

How many Datadog shares does the reporting person beneficially own after these trades?

Following the last reported transaction, 364,449 shares were beneficially owned indirectly by the 2019 Shah Family Trust.

How are the shares held and what ownership does the director claim?

Shares are held by the 2019 Shah Family Trust; the reporting person disclaims Section 16 beneficial ownership except to the extent of any pecuniary interest.

What transaction code was used in the filing?

Transactions were coded S, indicating open‑market or private sale of non‑derivative securities.