REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

Optiver Holding B.V.'s Holding History (CIK: 0001859606)

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

Q2 2025

Shares 2,997 Value ($000) $373 Avg Close $127.25 Range $102.97 - $148.94

Q2 2024

Shares 109 Value ($000) $14 Avg Close $156.74 Range $113.50 - $184.98

Q4 2022

Shares 9 Value ($000) $2 Avg Close $181.39 Range $158.58 - $225.62

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	2,997	$373	$127.25	$102.97 - $148.94
Q2 2024	109	$14	$156.74	$113.50 - $184.98
Q4 2022	9	$2	$181.39	$158.58 - $225.62