David Galloreese plan to sell securities of Datadog, Inc. under Form 144

David Galloreese filed Form 144 to notify SEC of plan to sell 4626 units of Datadog, Inc. securities around 2026-09-02, with aggregate market value of $1,087,110.00. The total outstanding units is 334904614.0. The amount planned to be sold represents 0.00% of total outstanding units; Recent transactions in past 3 months include: On 06/09/2026, sold 4013 units for $918590.15; On 06/02/2026, sold 4711 units for $1258564.38;