GALLOREESE DAVID plan to sell securities of Datadog, Inc. under Form 144

GALLOREESE DAVID filed Form 144 to notify SEC of plan to sell 4013 units of Datadog, Inc. securities around 2026-06-09, with aggregate market value of $918,590.23. The total outstanding units is 330825798.0. The amount planned to be sold represents 0.00% of total outstanding units; Recent transactions in past 3 months include: On 06/02/2026, sold 4711 units for $1258564.38;