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  4. [Form 4] Datadog, Inc. Insider Trading Activity

Datadog (DDOG) CTO exercises options, sells Class A shares in plan

Filing Impact
(Very High)
Filing Sentiment
(Very Negative)
Form Type
4

Rhea-AI Filing Summary

Datadog, Inc. director and Chief Technology Officer Alexis Le-Quoc reported option exercises, share conversions, and sales of Class A stock. On January 5, 2026, he exercised 18,750 stock options with a $10.74 exercise price, receiving Class B common shares that are convertible into Class A on a one-for-one basis. He then converted a total of 43,106 Class B shares into Class A and sold 43,106 Class A shares in multiple trades at weighted-average prices between about $133.25 and $135.60 under a Rule 10b5‑1 trading plan dated June 13, 2025. After these transactions, he directly held 301,458 Class A shares and 2,642,200 Class B shares, with an additional 169 Class A and 6,203,835 Class B shares held indirectly by the Alexis Le-Quoc Revocable Trust.

Positive

  • None.

Negative

  • None.
Insider Le-Quoc Alexis
Role Chief Technology Officer
Sold 43,106 shs ($5.77M)
Type Security Shares Price Value
Exercise Stock Option (Right to Buy) 18,750 $0.00 --
Exercise Class B Common Stock 18,750 $10.74 $201K
Conversion Class B Common Stock 10,688 $0.00 --
Conversion Class B Common Stock 32,418 $0.00 --
Conversion Class A Common Stock 10,688 $0.00 --
Conversion Class A Common Stock 32,418 $0.00 --
Sale Class A Common Stock 13,869 $133.2475 $1.85M
Sale Class A Common Stock 20,011 $133.8479 $2.68M
Sale Class A Common Stock 9,126 $135.1124 $1.23M
Sale Class A Common Stock 100 $135.60 $14K
holding Class B Common Stock -- -- --
holding Class A Common Stock -- -- --
Holdings After Transaction: Stock Option (Right to Buy) — 393,750 shares (Direct); Class B Common Stock — 2,685,306 shares (Direct); Class A Common Stock — 312,146 shares (Direct); Class B Common Stock — 6,203,835 shares (Indirect, By Trust); Class A Common Stock — 169 shares (Indirect, By Trust)
Footnotes (1)
  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. Shares sold pursuant to a 10b5-1 plan dated June 13, 2025. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $132.54 to $133.53. 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 $133.54 to $134.51. 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 $134.57 to $135.54. 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. Shares are held by the Alexis Le-Quoc Revocable Trust. Option is fully vested and exercisable.
Form 4 Insider Transactions: What Each Field Means →
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*
Le-Quoc Alexis
(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 Technology Officer
3. Date of Earliest Transaction (Month/Day/Year)
01/05/2026
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 01/05/2026 C(1) 10,688 A $0 312,146 D
Class A Common Stock 01/05/2026 C(1) 32,418 A $0 344,564 D
Class A Common Stock 01/05/2026 S(2) 13,869 D $133.2475(3) 330,695 D
Class A Common Stock 01/05/2026 S(2) 20,011 D $133.8479(4) 310,684 D
Class A Common Stock 01/05/2026 S(2) 9,126 D $135.1124(5) 301,558 D
Class A Common Stock 01/05/2026 S(2) 100 D $135.6 301,458 D
Class A Common Stock 169 I By Trust(6)
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
Stock Option (Right to Buy) $10.74 01/05/2026 M 18,750 (7) 07/19/2029 Class B Common Stock 18,750 $0 393,750 D
Class B Common Stock (1) 01/05/2026 M 18,750 (1) (1) Class A Common Stock 18,750 $10.74 2,685,306 D
Class B Common Stock (1) 01/05/2026 C 10,688 (1) (1) Class A Common Stock 10,688 $0 2,674,618 D
Class B Common Stock (1) 01/05/2026 C 32,418 (1) (1) Class A Common Stock 32,418 $0 2,642,200 D
Class B Common Stock (1) (1) (1) Class A Common Stock 6,203,835 6,203,835 I By Trust(6)
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 June 13, 2025.
3. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $132.54 to $133.53. 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 $133.54 to $134.51. 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 $134.57 to $135.54. 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. Shares are held by the Alexis Le-Quoc Revocable Trust.
7. Option is fully vested and exercisable.
Remarks:
/s/ Kerry Acocella, Attorney-in-Fact 01/07/2026
** 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.

Source: View Original Filing on SEC EDGAR

FAQ

What insider activity did Datadog (DDOG) report for Alexis Le-Quoc on January 5, 2026?

The filing shows that Alexis Le-Quoc, Datadog's director and Chief Technology Officer, exercised 18,750 stock options, converted 43,106 Class B shares into Class A, and then sold 43,106 Class A shares in several market transactions on January 5, 2026.

How many Datadog Class A shares did Alexis Le-Quoc sell and at what prices?

He sold a total of 43,106 Class A shares in four main blocks: 13,869 shares at $133.2475, 20,011 shares at $133.8479, 9,126 shares at $135.1124, and 100 shares at $135.60, with several prices reported as weighted averages over ranges.

What were Alexis Le-Quoc’s Datadog share holdings after these reported transactions?

After the transactions, he directly owned 301,458 Class A shares and 2,642,200 Class B shares. In addition, the Alexis Le-Quoc Revocable Trust held 169 Class A shares and 6,203,835 Class B shares indirectly.

Were the Datadog (DDOG) share sales by Alexis Le-Quoc under a Rule 10b5-1 plan?

Yes. A footnote states that the shares were sold pursuant to a Rule 10b5‑1 trading plan dated June 13, 2025, which is a pre-arranged plan for trading company stock.

What is the relationship between Datadog’s Class B and Class A common stock in this filing?

Each Class B share is convertible into one Class A share at any time at the option of the reporting person. Class B shares also automatically convert into Class A upon certain events, including transfers (with limited exceptions), the reporting person’s death for certain holdings, or the tenth anniversary of Datadog’s initial public offering.

Which Datadog shares are held through the Alexis Le-Quoc Revocable Trust?

The filing notes that the Alexis Le-Quoc Revocable Trust holds 169 Class A shares and 6,203,835 Class B shares indirectly, as disclosed in the trust-related footnote.