REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

Headlands Technologies LLC's Holding History (CIK: 0001570271)

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

Q3 2025

Shares 1,567 Value ($000) $209 Avg Close $121.47 Range $110.77 - $135.57

Q2 2025

Shares 2,842 Value ($000) $353 Avg Close $127.25 Range $102.97 - $148.94

Q2 2024

Shares 14 Value ($000) $2 Avg Close $156.74 Range $113.50 - $184.98

Q3 2023

Shares 474 Value ($000) $75 Avg Close $163.47 Range $134.64 - $181.26

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	1,567	$209	$121.47	$110.77 - $135.57
Q2 2025	2,842	$353	$127.25	$102.97 - $148.94
Q2 2024	14	$2	$156.74	$113.50 - $184.98
Q3 2023	474	$75	$163.47	$134.64 - $181.26