REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

RIVERBRIDGE PARTNERS LLC's Holding History (CIK: 0001112325)

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

Q4 2025

Shares 313,365 Value ($000) $51,348 Avg Close $156.63 Range $134.19 - $174.01

Q3 2025

Shares 343,435 Value ($000) $45,907 Avg Close $121.47 Range $110.77 - $135.57

Q2 2025

Shares 368,079 Value ($000) $45,782 Avg Close $127.25 Range $102.97 - $148.94

Q1 2025

Shares 422,102 Value ($000) $53,708 Avg Close $153.93 Range $125.39 - $182.52

Q4 2024

Shares 455,098 Value ($000) $65,507 Avg Close $143.40 Range $121.52 - $161.24

Q3 2024

Shares 500,976 Value ($000) $74,555 Avg Close $143.39 Range $117.63 - $172.65

Q2 2024

Shares 527,872 Value ($000) $66,544 Avg Close $156.74 Range $113.50 - $184.98

Q1 2024

Shares 445,168 Value ($000) $81,875 Avg Close $190.44 Range $167.40 - $211.13

Q4 2023

Shares 450,939 Value ($000) $81,079 Avg Close $155.67 Range $110.45 - $188.31

Q3 2023

Shares 459,761 Value ($000) $73,107 Avg Close $163.47 Range $134.64 - $181.26

Q2 2023

Shares 214,796 Value ($000) $30,385 Avg Close $160.35 Range $135.37 - $182.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	313,365	$51,348	$156.63	$134.19 - $174.01
Q3 2025	343,435	$45,907	$121.47	$110.77 - $135.57
Q2 2025	368,079	$45,782	$127.25	$102.97 - $148.94
Q1 2025	422,102	$53,708	$153.93	$125.39 - $182.52
Q4 2024	455,098	$65,507	$143.40	$121.52 - $161.24
Q3 2024	500,976	$74,555	$143.39	$117.63 - $172.65
Q2 2024	527,872	$66,544	$156.74	$113.50 - $184.98
Q1 2024	445,168	$81,875	$190.44	$167.40 - $211.13
Q4 2023	450,939	$81,079	$155.67	$110.45 - $188.31
Q3 2023	459,761	$73,107	$163.47	$134.64 - $181.26
Q2 2023	214,796	$30,385	$160.35	$135.37 - $182.42