Was Kerry Acocella’s Datadog (DDOG) share sale under a Rule 10b5-1 plan?

Yes. The filing states the shares were sold pursuant to a Rule 10b5-1 trading plan dated December 11, 2025. Such plans are pre-arranged trading programs that schedule transactions in advance, helping separate routine portfolio management from discretionary market-timing decisions.

Datadog (DDOG) legal chief sells 5,371 shares under 10b5-1 plan

Filing Impact

(Very High)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

Datadog, Inc. General Counsel and Secretary Kerry Acocella sold 5,371 shares of Class A Common Stock in open-market transactions. The sales occurred on June 15, 2026 under a pre-established Rule 10b5-1 trading plan dated December 11, 2025.

The shares were sold in multiple trades at reported prices including $238.21, $237.19 and $232.74 per share. After these transactions, Acocella continues to hold more than 120,000 Datadog Class A shares directly, indicating that only a small portion of her overall position was sold.

Insider Trade Summary 10b5-1

Net Seller: 5,371 shares ($1,256,311)

Net Sell 8 txns

Insider Acocella Kerry

Role General Counsel and Secretary

Sold 5,371 shs ($1.26M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	501	$230.151	$115K
Sale	Class A Common Stock	599	$231.6154	$139K
Sale	Class A Common Stock	1,371	$232.74	$319K
Sale	Class A Common Stock	800	$233.6929	$187K
Sale	Class A Common Stock	400	$234.828	$94K
Sale	Class A Common Stock	900	$236.0453	$212K
Sale	Class A Common Stock	700	$237.1914	$166K
Sale	Class A Common Stock	100	$238.21	$24K

Holdings After Transaction: Class A Common Stock — 132,736 shares (Direct, null)

Footnotes (1)

Shares sold pursuant to a 10b5-1 plan dated December 11, 2025. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $229.91 to $230.67. 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. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $231.02 to $231.88. 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. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $232.17 to $233.06. 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. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $233.19 to $234.11. 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. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $234.48 to $235.26. 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. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $235.49 to $236.39. 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. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $236.87 to $237.68. 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: 5,371 shares Sale price example: $238.21 per share Sale price example: $237.19 per share +4 more

7 metrics

Shares sold 5,371 shares Total Class A shares sold on June 15, 2026

Sale price example $238.21 per share One reported open-market sale price

Sale price example $237.19 per share One reported open-market sale price

Sale price example $232.74 per share One reported open-market sale price

Remaining holdings (minimum) Over 120,000 shares Direct Class A holdings after transactions

Trading plan date December 11, 2025 Date of Rule 10b5-1 plan governing the sales

Transaction count 8 sales Number of open-market sale transactions reported

Key Terms

Rule 10b5-1 plan, weighted-average sales price, open-market sale, Class A Common Stock, +1 more

5 terms

Rule 10b5-1 plan regulatory

"Shares sold pursuant to a 10b5-1 plan dated December 11, 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. The shares were sold at prices ranging from $229.91 to $230.67."

open-market sale financial

"transaction_action: open-market sale; transaction_code_description: 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.

Class A Common Stock financial

"security_title: Class A Common Stock"

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.

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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Form 4 Insider Transactions: What Each Field Means →

06/17/2026 - 04:34 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^*

Acocella Kerry

(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)
	General Counsel and Secretary

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/15/2026

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	06/15/2026		S⁽¹⁾		501	D	$230.151⁽²⁾	132,736	D
Class A Common Stock	06/15/2026		S⁽¹⁾		599	D	$231.6154⁽³⁾	132,137	D
Class A Common Stock	06/15/2026		S⁽¹⁾		1,371	D	$232.74⁽⁴⁾	130,766	D
Class A Common Stock	06/15/2026		S⁽¹⁾		800	D	$233.6929⁽⁵⁾	129,966	D
Class A Common Stock	06/15/2026		S⁽¹⁾		400	D	$234.828⁽⁶⁾	129,566	D
Class A Common Stock	06/15/2026		S⁽¹⁾		900	D	$236.0453⁽⁷⁾	128,666	D
Class A Common Stock	06/15/2026		S⁽¹⁾		700	D	$237.1914⁽⁸⁾	127,966	D
Class A Common Stock	06/15/2026		S⁽¹⁾		100	D	$238.21	127,866	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)
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 11, 2025.

2. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $229.91 to $230.67. 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 $231.02 to $231.88. 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 $232.17 to $233.06. 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 $233.19 to $234.11. 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 $234.48 to $235.26. 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 $235.49 to $236.39. 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.

8. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $236.87 to $237.68. 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	06/17/2026
	** 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 Kerry Acocella?

Datadog reported that General Counsel and Secretary Kerry Acocella sold 5,371 shares of Class A Common Stock. These were open-market sales executed on June 15, 2026, as part of a pre-established Rule 10b5-1 trading plan adopted on December 11, 2025.

How many Datadog (DDOG) shares did Kerry Acocella sell and at what prices?

Kerry Acocella sold 5,371 Datadog Class A shares in multiple open-market trades. Reported sale prices include $238.21, $237.19 and $232.74 per share, with additional trades priced within specified ranges described as weighted-average sales prices in the filing’s footnotes.

What is Kerry Acocella’s role at Datadog (DDOG) in this Form 4?

Kerry Acocella is identified as Datadog’s General Counsel and Secretary in the Form 4. This means she is the company’s top legal officer and corporate secretary, making her an executive subject to insider reporting rules for transactions in Datadog’s securities.

How large is Kerry Acocella’s remaining Datadog (DDOG) stake after the sale?

Following the reported open-market sales, Kerry Acocella continues to hold more than 120,000 shares of Datadog Class A Common Stock directly. This indicates that the 5,371 shares sold on June 15, 2026 represent only a relatively small portion of her overall holdings.

What does “weighted-average sales price” mean in the Datadog (DDOG) Form 4 footnotes?

“Weighted-average sales price” means the reported price reflects an average of multiple trades at different prices. The footnotes explain these Datadog shares were sold in ranges such as $229.91 to $230.67, and detailed per-trade pricing is available upon request to the reporting person.