DATADOG INC

Ticker: DDOG CUSIP: 23804L103 Class: EQTY

New England Research & Management, Inc.'s Holding History (CIK: 0001596077)

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

Q3 2025

Shares 1,550 Value ($000) $221 Avg Close $137.70 Range $123.42 - $157.38

Q2 2025

Shares 4,800 Value ($000) $1 Avg Close $110.71 Range $81.63 - $135.41

Q1 2025

Shares 4,800 Value ($000) $0 Avg Close $126.18 Range $96.63 - $153.42

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	1,550	$221	$137.70	$123.42 - $157.38
Q2 2025	4,800	$1	$110.71	$81.63 - $135.41
Q1 2025	4,800	$0	$126.18	$96.63 - $153.42