REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

OSTERWEIS CAPITAL MANAGEMENT INC's Holding History (CIK: 0001007524)

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

Q4 2025

Shares 54,635 Value ($000) $8,952 Avg Close $156.63 Range $134.19 - $174.01

Q3 2025

Shares 72,930 Value ($000) $9,749 Avg Close $121.47 Range $110.77 - $135.57

Q1 2025

Shares 72,765 Value ($000) $9,259 Avg Close $153.93 Range $125.39 - $182.52

Q4 2024

Shares 61,685 Value ($000) $8,879 Avg Close $143.40 Range $121.52 - $161.24

Q3 2024

Shares 53,445 Value ($000) $7,954 Avg Close $143.39 Range $117.63 - $172.65

Q2 2024

Shares 36,035 Value ($000) $4,543 Avg Close $156.74 Range $113.50 - $184.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	54,635	$8,952	$156.63	$134.19 - $174.01
Q3 2025	72,930	$9,749	$121.47	$110.77 - $135.57
Q1 2025	72,765	$9,259	$153.93	$125.39 - $182.52
Q4 2024	61,685	$8,879	$143.40	$121.52 - $161.24
Q3 2024	53,445	$7,954	$143.39	$117.63 - $172.65
Q2 2024	36,035	$4,543	$156.74	$113.50 - $184.98