Datadog, Inc. · Exercise / conversion · Class B Common Stock

What does this filing report?

An SEC Form 4 filing for Datadog, Inc. records an exercise / conversion involving Class B Common Stock on October 7, 2026. The reported quantity was 10,688. The filing date is October 9, 2026. This is one transaction record; amounts are not allocated among any joint reporting owners.

The acquisition category describes how securities were received. It does not by itself establish a cash purchase of common stock. Read the transaction code definitionsand the original filing before interpreting the amounts.

Derivative terms

Underlying security

Class A Common Stock

Underlying quantity

10,688

Conversion / exercise price

Not reported

Exercise date

Not reported

Expiration date

Not reported

Filing footnotes & remarks

F1

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.

F2

Shares sold pursuant to a 10b5-1 plan dated June 13, 2025.

F3

Price reported is a weighted-average sales price. The shares were sold at prices ranging from $270.85 to $271.84. 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.

F4

Price reported is a weighted-average sales price. The shares were sold at prices ranging from $271.85 to $272.84. 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.

F5

Price reported is a weighted-average sales price. The shares were sold at prices ranging from $272.85 to $273.84. 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.

F6

Price reported is a weighted-average sales price. The shares were sold at prices ranging from $273.85 to $274.84. 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.

F7

Price reported is a weighted-average sales price. The shares were sold at prices ranging from $274.85 to $275.82. 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.

F8

Price reported is a weighted-average sales price. The shares were sold at prices ranging from $275.86 to $276.84. 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.

F9

Price reported is a weighted-average sales price. The shares were sold at prices ranging from $276.92 to $277.91. 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.

F10

Price reported is a weighted-average sales price. The shares were sold at prices ranging from $278.70 to $279.60. 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.

F11

Price reported is a weighted-average sales price. The shares were sold at prices ranging from $280.05 to $280.60. 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.

F12

Shares are held by the Alexis Le-Quoc Revocable Trust.

F13

Option is fully vested and exercisable.

Footnotes are reproduced as plain text from the current source filing. For the full context, read the original SEC filing.