REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

Brooklyn Investment Group's Holding History (CIK: 0001795705)

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

Q4 2025

Shares 1,796 Value ($000) $298 Avg Close $156.63 Range $134.19 - $174.01

Q2 2025

Shares 370 Value ($000) $46 Avg Close $127.25 Range $102.97 - $148.94

Q1 2025

Shares 103 Value ($000) $13 Avg Close $153.93 Range $125.39 - $182.52

Q4 2024

Shares 58 Value ($000) $8 Avg Close $143.40 Range $121.52 - $161.24

Q3 2024

Shares 56 Value ($000) $8 Avg Close $143.39 Range $117.63 - $172.65

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,796	$298	$156.63	$134.19 - $174.01
Q2 2025	370	$46	$127.25	$102.97 - $148.94
Q1 2025	103	$13	$153.93	$125.39 - $182.52
Q4 2024	58	$8	$143.40	$121.52 - $161.24
Q3 2024	56	$8	$143.39	$117.63 - $172.65