Datadog CRO sells 13,575 shares for tax withholding

Datadog’s Chief Revenue Officer sold shares to cover tax obligations from vesting equity awards, retaining over 244,000 shares afterward.

Rhea-AI Filing Summary

Datadog, Inc. (DDOG) reported that its Chief Revenue Officer, Sean Michael Walters, sold 13,575 shares of Class A Common Stock on September 2, 2026. According to the company’s disclosure, this sale was required solely to cover tax withholding obligations and related brokerage commissions arising from the vesting of restricted stock units and performance-based restricted stock units.

The shares were sold at a weighted-average price of $212.9039 per share, within a price range of $210.12 to $213.01. After this transaction, Walters held 244,845 shares directly and an additional 8 shares indirectly through his son. No Rule 10b5-1 trading plan is reported for this sale.

Insider Trade Summary

Net Seller: 13,575 shares

Net Sell 2 txns

Insider Walters Sean Michael

Role Chief Revenue Officer

Sold 13,575 shs ($2.89M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock F1, F2	13,575	$212.9039	$2.89M
holding	Class A Common Stock	--	--	--

Holdings After Transaction: Class A Common Stock — 244,845 shares (Direct); Class A Common Stock — 8 shares (Indirect, By Son)

Footnotes (2)

1. F1. The Reporting Person was required by the Issuer to sell only the number of shares of common stock necessary to cover applicable tax withholding obligations realized upon the vesting of restricted stock units and performance-based restricted stock units, as well as any related brokerage commission fees.
2. F2. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $210.12 to $213.01. 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.

Key Figures

Shares sold: 13,575 shares Weighted-average sale price: $212.9039 per share Sale price range: $210.12–$213.01 per share +2 more

5 metrics

Shares sold 13,575 shares Class A Common Stock sold by Chief Revenue Officer on September 2, 2026

Weighted-average sale price $212.9039 per share Average price for the 13,575 shares sold on September 2, 2026

Sale price range $210.12–$213.01 per share Range of individual sale prices within the reported transaction

Direct holdings after transaction 244,845 shares Class A Common Stock held directly by the Chief Revenue Officer after the sale

Indirect holdings after transaction 8 shares Shares held indirectly through the officer’s son after the transaction

Key Terms

restricted stock units, performance-based restricted stock units, weighted-average sales price

3 terms

restricted stock units financial

"tax withholding obligations realized upon the vesting of restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

performance-based restricted stock units financial

"the vesting of restricted stock units and performance-based restricted stock units"

Performance-based restricted stock units are a type of employee equity award that converts into company shares only if predefined financial or operational targets are met over a set period. Think of it like a bonus check that becomes stock only when specific goals are hit; it ties pay to results, aligning managers’ incentives with shareholders. Investors care because these awards affect future share count, executive incentives, and signal how management’s success will be measured and rewarded.

weighted-average sales price financial

"Price reported is a weighted-average sales price. The shares were sold"

FAQ

What did Datadog (DDOG) disclose about Sean Michael Walters’ recent stock sale?

Datadog disclosed that Chief Revenue Officer Sean Michael Walters sold 13,575 shares of Class A Common Stock on September 2, 2026, in a transaction required to cover tax withholding obligations and related brokerage commissions from vested equity awards.

How many Datadog (DDOG) shares did the Chief Revenue Officer sell and at what price?

The Chief Revenue Officer sold 13,575 shares of Datadog Class A Common Stock at a weighted-average price of $212.9039 per share, with individual sale prices ranging from $210.12 to $213.01, as disclosed in the filing.

Why were the Datadog (DDOG) shares sold by the Chief Revenue Officer?

The sale was disclosed as being required by Datadog to sell only the number of shares necessary to cover applicable tax withholding obligations from the vesting of restricted stock units and performance-based restricted stock units, plus related brokerage commission fees.

How many Datadog (DDOG) shares does the Chief Revenue Officer hold after the sale?

After the transaction, the Chief Revenue Officer held 244,845 shares of Datadog Class A Common Stock directly and 8 shares indirectly through his son, according to the reported post-transaction holdings.

Was the Datadog (DDOG) insider sale made under a Rule 10b5-1 trading plan?

No. The filing’s Rule 10b5-1 checkbox was not marked as being pursuant to a trading plan, and the footnotes do not state that the sale was under a Rule 10b5-1 plan.

What price range did the Datadog (DDOG) insider sale cover?

The filing states that the weighted-average sales price of $212.9039 per share reflects individual trades executed at prices ranging from $210.12 to $213.01. Full breakdown by price increment is available on request from the insider.

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

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Available on EDGAR 09/04/2026 - 04:38 PM Accepted by SEC EDGAR 09/04/2026 - 04:37 PM 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^*

Walters Sean Michael

(Last) (First) (Middle)

C/O DATADOG, INC.

620 8TH AVENUE, 45TH FLOOR

(Street)

NEW YORK NEW YORK 10018

(City) (State) (Zip)

UNITED STATES

(Country)

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 Revenue Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/02/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	09/02/2026		S(1)		13,575	D	$212.9039(2)	244,845	D
Class A Common Stock								8	I	By Son

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. The Reporting Person was required by the Issuer to sell only the number of shares of common stock necessary to cover applicable tax withholding obligations realized upon the vesting of restricted stock units and performance-based restricted stock units, as well as any related brokerage commission fees.

2. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $210.12 to $213.01. 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	09/04/2026
	** 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.
* Form 4: SEC 1474 (03-26)