REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

BlackRock, Inc.'s Holding History (CIK: 0002012383)

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

Q4 2025

Shares 6,619,271 Value ($000) $1,084,634 Avg Close $156.63 Range $134.19 - $174.01

Q3 2025

Shares 6,139,730 Value ($000) $820,698 Avg Close $121.47 Range $110.77 - $135.57

Q2 2025

Shares 6,078,430 Value ($000) $756,035 Avg Close $127.25 Range $102.97 - $148.94

Q1 2025

Shares 6,815,687 Value ($000) $867,228 Avg Close $153.93 Range $125.39 - $182.52

Q4 2024

Shares 6,857,260 Value ($000) $987,034 Avg Close $143.40 Range $121.52 - $161.24

Q3 2024

Shares 7,107,557 Value ($000) $1,057,747 Avg Close $143.39 Range $117.63 - $172.65

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,619,271	$1,084,634	$156.63	$134.19 - $174.01
Q3 2025	6,139,730	$820,698	$121.47	$110.77 - $135.57
Q2 2025	6,078,430	$756,035	$127.25	$102.97 - $148.94
Q1 2025	6,815,687	$867,228	$153.93	$125.39 - $182.52
Q4 2024	6,857,260	$987,034	$143.40	$121.52 - $161.24
Q3 2024	7,107,557	$1,057,747	$143.39	$117.63 - $172.65