DATADOG INC

Ticker: DDOG CUSIP: 23804L103 Class: EQTY

SIRIOS CAPITAL MANAGEMENT L P's Holding History (CIK: 0001104883)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 19,980 Value ($000) $2,717 Avg Close $158.02 Range $135.11 - $201.69

Q3 2025

Shares 27,216 Value ($000) $3,876 Avg Close $137.70 Range $123.42 - $157.38

Q2 2025

Shares 5,728 Value ($000) $769 Avg Close $110.71 Range $81.63 - $135.41

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	19,980	$2,717	$158.02	$135.11 - $201.69
Q3 2025	27,216	$3,876	$137.70	$123.42 - $157.38
Q2 2025	5,728	$769	$110.71	$81.63 - $135.41