Datadog (NASDAQ: DDOG) director’s trust sells Class A stock in planned sale

Rhea-AI Filing Summary

Datadog, Inc. director Shardul Shah reported multiple sales of Class A Common Stock on January 13, 2026, by a family trust. The 2019 Shah Family Trust, for which he serves as trustee, sold blocks of 2,001, 4,115, 1,200, 200 and 400 shares at weighted-average prices ranging from $123.8839 to $127.9375 per share, under a Rule 10b5-1 trading plan dated June 13, 2025.

After these transactions, the trust continued to hold 340,701 Datadog Class A shares indirectly, while an additional 2,106 shares were reported as held directly. The filing notes that prices in each trade are reported on a weighted-average basis, with detailed per-price breakdowns available upon request, and that Shah disclaims beneficial ownership of the trust-held shares except to the extent of any pecuniary interest.

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
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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).

X

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^*

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)
01/13/2026

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	01/13/2026		S(1)		2,001	D	$123.8839(2)	346,616	I	By Trust(3)
Class A Common Stock	01/13/2026		S(1)		4,115	D	$124.7504(4)	342,501	I	By Trust(3)
Class A Common Stock	01/13/2026		S(1)		1,200	D	$125.7741(5)	341,301	I	By Trust(3)
Class A Common Stock	01/13/2026		S(1)		200	D	$126.585(6)	341,101	I	By Trust(3)
Class A Common Stock	01/13/2026		S(1)		400	D	$127.9375(7)	340,701	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 13, 2025.

2. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $123.31 to $124.30. 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 $124.32 to $125.24. 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 $125.32 to $126.31. 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 $126.32 to $126.85. 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 $127.48 to $128.44. 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	01/15/2026
	** 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

Who is the reporting person in this Datadog (DDOG) Form 4?

The reporting person is Shardul Shah, who is identified as a director of Datadog, Inc. and is reporting transactions primarily through a family trust.

How many Datadog (DDOG) shares did the trust linked to Shardul Shah sell?

On January 13, 2026, the 2019 Shah Family Trust sold 2,001, 4,115, 1,200, 200 and 400 Datadog Class A shares in separate transactions, all reported as sales by the trust.

At what prices were the Datadog (DDOG) shares sold in this Form 4?

The Class A shares were sold at weighted-average prices of $123.8839, $124.7504, $125.7741, $126.585 and $127.9375 per share, with each transaction covering a range of individual sale prices disclosed in the footnotes.

How many Datadog (DDOG) shares does the reporting person show as holding after these transactions?

Following the reported sales, the filing shows 340,701 Datadog Class A shares held indirectly by the 2019 Shah Family Trust and 2,106 shares held directly.

Were the Datadog (DDOG) insider sales made under a 10b5-1 trading plan?

Yes. A footnote states that the shares were sold pursuant to a Rule 10b5-1 trading plan dated June 13, 2025, which is a pre-arranged plan for trading shares.

Does Shardul Shah claim full beneficial ownership of the trust-held Datadog (DDOG) shares?

No. The filing explains that the shares are held by the 2019 Shah Family Trust, for which he is trustee, and that he disclaims Section 16 beneficial ownership of these shares except to the extent of any pecuniary interest.