Datadog, Inc. 4

Amit Agarwal converted 20,000 Datadog Class B shares into Class A and sold about 22,300 Class A shares held by trust for roughly $5.3 million under a 10b5‑1 plan.

On August 6, 2026, Amit Agarwal, a Datadog, Inc. insider, converted 20,000 shares of Class B Common Stock into 20,000 shares of Class A Common Stock and, through the Agarwal Family Trust, executed a series of pre‑planned sales under a Rule 10b5‑1 trading plan totaling 22,300 Class A shares at weighted‑average prices ranging from approximately $229.01 to $242.02 per share, generating roughly $5.3 million in gross proceeds. Following these transactions, the trust’s directly held Class A position reported in the transaction table declined to 1,640 shares for this specific block, while the footnote holdings table shows substantially larger remaining indirect and spousal holdings, including 593,464 Class A shares (by trust) and 42,976 Class A shares (by spouse), along with Class B shares that remain convertible one‑for‑one into Class A, indicating that despite the sales, Agarwal continues to hold a significant economic stake in Datadog.

Filing Facts

CIK

1561550

Ticker

DDOG

Form

4

Source Type

sec

Accession

0001561550-26-000260

Alert Tier

9