REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

NICHOLS & PRATT ADVISERS LLP /MA's Holding History (CIK: 0001141781)

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

Q4 2024

Shares 1,505 Value ($000) $217 Avg Close $143.40 Range $121.52 - $161.24

Q3 2024

Shares 1,355 Value ($000) $202 Avg Close $143.39 Range $117.63 - $172.65

Q2 2024

Shares 2,555 Value ($000) $322 Avg Close $156.74 Range $113.50 - $184.98

Q1 2024

Shares 2,555 Value ($000) $470 Avg Close $190.44 Range $167.40 - $211.13

Q4 2023

Shares 2,555 Value ($000) $459 Avg Close $155.67 Range $110.45 - $188.31

Q3 2023

Shares 2,365 Value ($000) $376 Avg Close $163.47 Range $134.64 - $181.26

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2024	1,505	$217	$143.40	$121.52 - $161.24
Q3 2024	1,355	$202	$143.39	$117.63 - $172.65
Q2 2024	2,555	$322	$156.74	$113.50 - $184.98
Q1 2024	2,555	$470	$190.44	$167.40 - $211.13
Q4 2023	2,555	$459	$155.67	$110.45 - $188.31
Q3 2023	2,365	$376	$163.47	$134.64 - $181.26