[Form 4] Datadog, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Kiniksa Pharmaceuticals International, plc (KNSA) has filed a Form 144 to notify the SEC of an intended insider sale.

• Shares to be sold: 64,508 common shares
• Aggregate market value: $1,928,595.68
• Approximate sale date: 07/30/2025
• Broker: Morgan Stanley Smith Barney LLC, New York
• Shares outstanding: 74,107,668

The shares were acquired the same day (07/30/2025) through the exercise of employee stock options under a registered plan and will be sold for cash. No other sales by this insider were reported in the past three months.

The proposed disposition equals roughly 0.09% of total shares outstanding, indicating a modest, routine-sized transaction rather than a large liquidation. The filer attests to having no undisclosed material adverse information and confirms compliance with Rule 10b5-1.

Positive

• None.

Negative

• Insider plans to sell 64,508 shares (~0.09% of 74.1 M outstanding) valued at $1.93 M

Insights

Securities Analyst

TL;DR: Small insider sale (0.09% OS) worth $1.9 M; signals routine diversification, limited fundamental impact.

The Form 144 shows an insider intends to sell 64,508 newly-exercised option shares, worth about $1.93 million, through Morgan Stanley on 07/30/2025. Given 74.1 million shares outstanding, the sale is immaterial to float and does not suggest broad insider pessimism. Lack of prior 3-month sales and same-day option exercise point to liquidity/tax planning rather than a directional bet. Investors typically view such filings as neutral unless accompanied by larger cluster selling. I rate the filing neutral for valuation and trading outlook.

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^*

Pomel Olivier

(Last) (First) (Middle)

C/O DATADOG, INC.

620 8TH AVENUE, 45TH FLOOR

(Street)

NEW YORK NY 10018

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Datadog, Inc. [ DDOG ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

3. Date of Earliest Transaction (Month/Day/Year)
07/28/2025

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

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

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

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	07/28/2025		C(1)		11,195	A	$0	559,910	D
Class A Common Stock	07/28/2025		S(2)		5,727	D	$150.4666(3)	554,183	D
Class A Common Stock	07/28/2025		S(2)		5,468	D	$151.196(4)	548,715	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
Class B Common Stock	(1)	07/28/2025		C			11,195	(1)	(1)	Class A Common Stock	11,195	$0	8,550,102	D

Explanation of Responses:

1. Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

2. Shares sold pursuant to a 10b5-1 plan dated September 13, 2024.

3. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $149.88 to $150.87. 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 $150.88 to $151.60. 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	07/30/2025
	** 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.

FAQ

How many KNSA shares are being sold under this Form 144?

64,508 common shares are slated for sale.

What is the aggregate market value of the planned Kiniksa insider sale?

The filing lists an aggregate value of $1,928,595.68.

When is the approximate sale date for the KNSA shares?

The filer indicates an approximate sale date of 07/30/2025.

What percentage of KNSA's outstanding shares does this sale represent?

The 64,508 shares equal roughly 0.09% of the 74,107,668 shares outstanding.

Were there any other insider sales reported in the past three months?

No. The Form 144 states "Nothing to Report" for the prior three-month period.

How were the shares acquired prior to the sale?

They were obtained via option exercises under a registered plan on 07/30/2025 for cash.