Datadog, Inc. · Conversion · Class A Common Stock

What does this filing report?

An SEC Form 4 filing for Datadog, Inc. records a conversion involving Class A Common Stock on December 17, 2025. The reported quantity was 11,195. The filing date is December 19, 2025. 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.

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 September 13, 2024.

F3

Price reported is a weighted-average sales price. The shares were sold at prices ranging from $136.50 to $137.47. 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 $137.51 to $138.49. 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 $138.53 to $139.35. 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 $139.55 to $140.49. 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 $140.55 to $140.67. 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.

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