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

Yes. The Form 4 footnote states the shares were sold pursuant to a Rule 10b5-1 trading plan dated December 11, 2025. Such pre-arranged plans automate trades and are designed to reduce the influence of short-term information on insider transactions.

How large was Kerry Acocella’s Datadog share sale compared with her remaining holdings?

Kerry Acocella sold 13,857 shares and now directly holds 140,489 shares. The Form 4 shows both the number of shares sold and the post-transaction direct ownership, helping investors see that she retains a substantial remaining position.

Datadog (NASDAQ: DDOG) counsel sells 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 13,857 shares of Class A common stock in an open-market transaction at $150.0000 per share on May 5, 2026. The sale was executed under a pre-arranged Rule 10b5-1 trading plan dated December 11, 2025. Following this transaction, she directly holds 140,489 shares of Datadog common stock.

Insider Trade Summary 10b5-1

Net Seller: 13,857 shares ($2,078,550)

Net Sell 1 txn

Insider Acocella Kerry

Role General Counsel and Secretary

Sold 13,857 shs ($2.08M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	13,857	$150.00	$2.08M

Holdings After Transaction: Class A Common Stock — 140,489 shares (Direct, null)

Footnotes (1)

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Key Figures

Shares sold: 13,857 shares Sale price: $150.0000 per share Shares owned after transaction: 140,489 shares +1 more

4 metrics

Shares sold 13,857 shares Open-market sale of Class A common stock on May 5, 2026

Sale price $150.0000 per share Price for the reported open-market transaction

Shares owned after transaction 140,489 shares Direct holdings following the sale

Net shares sold 13,857 shares Net sell direction from transaction summary

Key Terms

Rule 10b5-1, open-market sale, Form 4

3 terms

Rule 10b5-1 financial

"Shares sold pursuant to a 10b5-1 plan dated December 11, 2025."

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

open-market sale financial

"transaction_action: "open-market sale""

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.

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.

Form 4 Insider Transactions: What Each Field Means →

05/07/2026 - 04:31 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)
05/05/2026

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	05/05/2026		S⁽¹⁾		13,857	D	$150	140,489	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.

Remarks:

	/s/ Kerry Acocella	05/07/2026
	** 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 13,857 shares of Class A common stock. The shares were sold in an open-market transaction at $150.0000 per share on May 5, 2026, as disclosed in a Form 4 filing.

At what price did Datadog’s Kerry Acocella sell her DDOG shares?

Kerry Acocella sold her Datadog Class A common stock at $150.0000 per share. The Form 4 notes this was an open-market sale, giving investors clear visibility into the per-share price for this insider transaction.

How many Datadog (DDOG) shares does Kerry Acocella hold after the sale?

After the reported sale, Kerry Acocella directly holds 140,489 shares of Datadog Class A common stock. This figure represents her remaining direct ownership position following the 13,857-share open-market transaction disclosed in the Form 4.

What type of security did Datadog’s insider sell in this Form 4 filing?

The transaction involved Datadog’s Class A common stock. Kerry Acocella, the company’s General Counsel and Secretary, executed an open-market sale of 13,857 Class A common shares at $150.0000 per share, as disclosed in the Form 4.