Datadog (NASDAQ: DDOG) CRO sells 7,657 shares under 10b5-1 plan

Filing Impact

(Very High)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

Datadog, Inc. Chief Revenue Officer Sean Michael Walters sold 7,657 shares of Class A Common Stock at $188.50 per share in an open‑market transaction. The sale was executed on May 7, 2026 and was made pursuant to a Rule 10b5-1 trading plan dated December 12, 2025, indicating it was pre‑scheduled.

After the transaction, Walters directly holds 283,610 Class A shares. The filing also notes an additional 8 Class A shares held indirectly through his son, reported as indirect ownership.

Insider Trade Summary 10b5-1

Net Seller: 7,657 shares ($1,443,345)

Net Sell 2 txns

Insider Walters Sean Michael

Role Chief Revenue Officer

Sold 7,657 shs ($1.44M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	7,657	$188.50	$1.44M
holding	Class A Common Stock	--	--	--

Holdings After Transaction: Class A Common Stock — 283,610 shares (Direct, null); Class A Common Stock — 8 shares (Indirect, By Son)

Footnotes (1)

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Key Figures

Shares sold: 7,657 shares Sale price: $188.50 per share Direct holdings after sale: 283,610 shares +2 more

5 metrics

Shares sold 7,657 shares Class A Common Stock sold on May 7, 2026

Sale price $188.50 per share Open-market sale of Datadog Class A Common Stock

Direct holdings after sale 283,610 shares Class A Common Stock directly held by Sean Michael Walters

Indirect holdings 8 shares Class A Common Stock held indirectly by son

10b5-1 plan date December 12, 2025 Plan governing the reported share sale

Key Terms

Rule 10b5-1 plan, Class A Common Stock, open-market sale, indirect ownership

4 terms

Rule 10b5-1 plan financial

"Shares sold pursuant to a 10b5-1 plan dated December 12, 2025."

A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.

Class A Common Stock financial

"Class A Common Stock sold at $188.50 per share in an open-market transaction."

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

open-market sale financial

"Sale in open market or private transaction"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

indirect ownership financial

"The filing also notes an additional 8 Class A shares held indirectly through his son"

Form 4 Insider Transactions: What Each Field Means →

05/11/2026 - 03:35 PM

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

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)
05/07/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A Common Stock	05/07/2026		S⁽¹⁾		7,657	D	$188.5	283,610	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Shares sold pursuant to a 10b5-1 plan dated December 12, 2025.

Remarks:

	/s/ Kerry Acocella, Attorney-in-Fact	05/11/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Datadog (DDOG) report for Sean Michael Walters?

Datadog reported that Chief Revenue Officer Sean Michael Walters sold 7,657 shares of Class A Common Stock. The open-market sale occurred on May 7, 2026 and is detailed in a Form 4 insider trading filing.

At what price did Datadog (DDOG) executive Sean Michael Walters sell shares?

Sean Michael Walters sold Datadog Class A Common Stock at $188.50 per share. This price applies to the 7,657 shares sold in the reported open-market transaction on May 7, 2026, according to the Form 4 filing.

How many Datadog (DDOG) shares does Sean Michael Walters own after the sale?

After the transaction, Sean Michael Walters directly owns 283,610 Datadog Class A shares. The Form 4 filing also reports 8 additional Class A shares held indirectly through his son, classified as indirect ownership.

Was the Datadog (DDOG) insider sale by Sean Michael Walters pre-planned?

Yes. The Form 4 footnote states that the 7,657 Datadog Class A shares were sold pursuant to a Rule 10b5-1 trading plan. The plan is dated December 12, 2025, indicating the sale was pre-scheduled rather than an ad hoc trade.

What role does Sean Michael Walters hold at Datadog (DDOG)?

Sean Michael Walters is Datadog’s Chief Revenue Officer. His position is identified in the Form 4 filing, which discloses his sale of 7,657 Class A Common Stock shares and his remaining direct and indirect ownership stakes.