DATADOG INC

Ticker: DDOG CUSIP: 23804L103 Class: EQTY

Costello Asset Management, INC's Holding History (CIK: 0001760145)

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

Q4 2025

Shares 300 Value ($000) $41 Avg Close $158.02 Range $135.11 - $201.69

Q3 2025

Shares 300 Value ($000) $43 Avg Close $137.70 Range $123.42 - $157.38

Q2 2025

Shares 300 Value ($000) $40 Avg Close $110.71 Range $81.63 - $135.41

Q1 2025

Shares 300 Value ($000) $30 Avg Close $126.18 Range $96.63 - $153.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	300	$41	$158.02	$135.11 - $201.69
Q3 2025	300	$43	$137.70	$123.42 - $157.38
Q2 2025	300	$40	$110.71	$81.63 - $135.41
Q1 2025	300	$30	$126.18	$96.63 - $153.42