REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

SUMMITRY LLC's Holding History (CIK: 0001280043)

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

Q4 2025

Shares 1,741 Value ($000) $285 Avg Close $156.63 Range $134.19 - $174.01

Q3 2025

Shares 1,497 Value ($000) $200 Avg Close $121.47 Range $110.77 - $135.57

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,741	$285	$156.63	$134.19 - $174.01
Q3 2025	1,497	$200	$121.47	$110.77 - $135.57