Datadog COO sells 12,032 shares under plan

Datadog, Inc. (DDOG) reported that Chief Operating Officer Adam Blitzer sold a total of 12,032 shares of Class A common stock on September 3, 2026 in eight separate sales.

Rhea-AI Filing Summary

Datadog, Inc. (DDOG) reported that Chief Operating Officer Adam Blitzer sold a total of 12,032 shares of Class A common stock on September 3, 2026 in eight separate sales. The transactions were executed at various weighted-average prices and were made pursuant to a Rule 10b5-1 trading plan dated August 22, 2025.

Insider Trade Summary 10b5-1

Net Seller: 12,032 shares

Net Sell 8 txns

Insider Blitzer Adam

Role Chief Operating Officer

Sold 12,032 shs ($2.58M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock F1, F2	300	$211.6833	$64K
Sale	Class A Common Stock F1, F3	700	$212.7557	$149K
Sale	Class A Common Stock F1, F4	5,002	$213.9434	$1.07M
Sale	Class A Common Stock F1, F5	4,730	$214.7283	$1.02M
Sale	Class A Common Stock F1, F6	993	$215.6074	$214K
Sale	Class A Common Stock F1, F7	107	$217.175	$23K
Sale	Class A Common Stock F1	100	$217.80	$22K
Sale	Class A Common Stock F1	100	$220.15	$22K

Holdings After Transaction: Class A Common Stock — 237,927 shares (Direct)

Footnotes (7)

1. F1. Shares sold pursuant to a 10b5-1 plan dated August 22, 2025.
2. F2. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $211.21 to $211.96. 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. F3. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $212.25 to $213.17. 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. F4. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $213.29 to $214.28. 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. F5. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $214.29 to $215.19. 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. F6. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $215.34 to $216.08. 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. F7. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $216.39 to $217.23. 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: 12,032 shares Number of sale transactions: 8 transactions Largest single block sold: 5,002 shares +4 more

7 metrics

Shares sold 12,032 shares Total Class A common shares sold on September 3, 2026 by the COO

Number of sale transactions 8 transactions Separate sales of Class A common stock reported for September 3, 2026

Largest single block sold 5,002 shares One transaction of 5,002 Class A shares at a weighted-average price of $213.9434

Weighted-average price example $211.6833 per share Sale of 300 Class A shares at a weighted-average sales price of $211.6833

Highest individual reported sale price $220.15 per share Sale of 100 Class A shares at $220.15 on September 3, 2026

Sale date September 3, 2026 Date of all reported Class A common stock sales by the COO

Rule 10b5-1 plan date August 22, 2025 Date of the trading plan under which the reported sales were executed

Key Terms

Rule 10b5-1 plan, weighted-average sales price, Class A common stock

3 terms

Rule 10b5-1 plan regulatory

"Shares sold pursuant to a 10b5-1 plan dated August 22, 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.

weighted-average sales price financial

"Price reported is a weighted-average sales price."

Class A common stock financial

"The transactions involved Class A common stock of Datadog, Inc."

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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Datadog (DDOG) report for its COO Adam Blitzer?

Datadog reported that Chief Operating Officer Adam Blitzer sold 12,032 shares of Class A common stock in eight separate transactions on September 3, 2026, according to a Form 4 filing.

How many Datadog (DDOG) shares did the COO sell and on what date?

The chief operating officer sold 12,032 Class A shares of Datadog, Inc. on September 3, 2026, as disclosed in the Form 4 insider trading report.

At what prices were the Datadog (DDOG) shares sold by the COO?

The 12,032 shares were sold in multiple blocks at weighted-average prices, including blocks at about $211.68, $212.76, $213.94, $214.73, $215.61, $217.18, and individual trades at $217.80 and $220.15 per share.

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

Yes. A footnote states the shares were sold pursuant to a Rule 10b5-1 plan dated August 22, 2025, indicating the trades followed a pre-arranged trading instruction.

Did the Datadog (DDOG) Form 4 report any option exercises or derivative transactions?

No. The Form 4 reports only non-derivative transactions in Class A common stock, with no option exercises or other derivative security transactions listed.

How many separate sale transactions did the Datadog (DDOG) COO report?

The filing lists eight separate sale transactions in Datadog Class A common stock on September 3, 2026, all reported as sales by the chief operating officer.

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

Form 4 Insider Transactions: What Each Field Means →

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Available on EDGAR 09/08/2026 - 04:45 PM EDT Accepted by SEC EDGAR 09/08/2026 - 04:45 PM EDT 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).

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^*

Blitzer Adam

(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 Operating Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/03/2026

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	09/03/2026		S(1)		300	D	$211.6833(2)	249,659	D
Class A Common Stock	09/03/2026		S(1)		700	D	$212.7557(3)	248,959	D
Class A Common Stock	09/03/2026		S(1)		5,002	D	$213.9434(4)	243,957	D
Class A Common Stock	09/03/2026		S(1)		4,730	D	$214.7283(5)	239,227	D
Class A Common Stock	09/03/2026		S(1)		993	D	$215.6074(6)	238,234	D
Class A Common Stock	09/03/2026		S(1)		107	D	$217.175(7)	238,127	D
Class A Common Stock	09/03/2026		S(1)		100	D	$217.8	238,027	D
Class A Common Stock	09/03/2026		S(1)		100	D	$220.15	237,927	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 August 22, 2025.

2. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $211.21 to $211.96. 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. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $212.25 to $213.17. 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 $213.29 to $214.28. 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 $214.29 to $215.19. 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 $215.34 to $216.08. 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 $216.39 to $217.23. 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	09/08/2026
	** 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)