Datadog, Inc. 4

Datadog CFO David M. Obstler sold approximately 74,? shares of Class A Common Stock on June 8, 2026, for about $17.4 million under a 10b5‑1 trading plan.

On June 8, 2026, Datadog, Inc. Chief Financial Officer David M. Obstler executed a series of open-market sales of Datadog Class A Common Stock pursuant to a Rule 10b5-1 trading plan dated March 9, 2026. Across nine separate weighted-average price tranches, he sold an aggregate of 74,? (see below) shares at prices ranging from approximately $229.29 to $239.13 per share, generating total proceeds of roughly $17.4 million. Following these planned sales, Obstler’s direct ownership decreased to 434,591 shares of Class A Common Stock, which, using the transaction price context (around the low‑to‑mid $230s per share), represents an equity stake valued on the order of $100 million.

Filing Facts

CIK

1561550

Ticker

DDOG

Form

4

Source Type

sec

Accession

0001561550-26-000192

Alert Tier

9