Datadog, Inc. 4

CTO Alexis Le-Quoc (via trust) sold about 87,942 Datadog Class A shares for roughly $22.6 million, while also exercising 18,750 options and converting significant Class B shares into Class A.

On August 10, 2026, Datadog, Inc. Chief Technology Officer Alexis Le-Quoc, through the Alexis Le-Quoc Revocable Trust, executed a series of insider transactions involving Datadog Class A and Class B common stock and a stock option. He converted 43,224 and 10,688 shares of Class B common stock into Class A common stock, then sold 87,942 Class A shares in numerous open-market transactions at weighted-average prices between approximately $231 and $261 per share under a Rule 10b5-1 trading plan dated June 13, 2025, generating proceeds of roughly $22.6 million. In addition, he exercised an already fully vested stock option for 18,750 shares at a strike price of $10.74 per share, acquiring 18,750 Class A shares upon conversion from Class B stock. Separately, 53,912 shares of Class B common stock were converted into Class A common stock, increasing the freely tradable Class A float. After these transactions, the trust continued to hold a substantial position of 553,029 Class A shares directly plus 6,146,835 shares held indirectly by the trust (which are convertible from Class B), with an aggregate post-transaction economic value on the order of $1.8–$2.0 billion based on the prevailing trading range during the sales.

Filing Facts

CIK

1561550

Ticker

DDOG

Form

4

Source Type

sec

Accession

0001561550-26-000262

Alert Tier

9