REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

Cynosure Group, LLC's Holding History (CIK: 0001763409)

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

Q3 2025

Shares 3,421 Value ($000) $457 Avg Close $121.47 Range $110.77 - $135.57

Q2 2025

Shares 3,421 Value ($000) $426 Avg Close $127.25 Range $102.97 - $148.94

Q1 2025

Shares 2,268 Value ($000) $289 Avg Close $153.93 Range $125.39 - $182.52

Q4 2024

Shares 1,992 Value ($000) $287 Avg Close $143.40 Range $121.52 - $161.24

Q3 2024

Shares 2,877 Value ($000) $428 Avg Close $143.39 Range $117.63 - $172.65

Q2 2024

Shares 3,024 Value ($000) $381 Avg Close $156.74 Range $113.50 - $184.98

Q1 2024

Shares 1,652 Value ($000) $304 Avg Close $190.44 Range $167.40 - $211.13

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	3,421	$457	$121.47	$110.77 - $135.57
Q2 2025	3,421	$426	$127.25	$102.97 - $148.94
Q1 2025	2,268	$289	$153.93	$125.39 - $182.52
Q4 2024	1,992	$287	$143.40	$121.52 - $161.24
Q3 2024	2,877	$428	$143.39	$117.63 - $172.65
Q2 2024	3,024	$381	$156.74	$113.50 - $184.98
Q1 2024	1,652	$304	$190.44	$167.40 - $211.13