REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

XTX Topco Ltd's Holding History (CIK: 0001828301)

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

Q4 2025

Shares 5,148 Value ($000) $844 Avg Close $156.63 Range $134.19 - $174.01

Q2 2025

Shares 17,352 Value ($000) $2,158 Avg Close $127.25 Range $102.97 - $148.94

Q1 2025

Shares 12,935 Value ($000) $1,646 Avg Close $153.93 Range $125.39 - $182.52

Q4 2024

Shares 9,640 Value ($000) $1,388 Avg Close $143.40 Range $121.52 - $161.24

Q3 2023

Shares 5,515 Value ($000) $877 Avg Close $163.47 Range $134.64 - $181.26

Q2 2023

Shares 4,376 Value ($000) $619 Avg Close $160.35 Range $135.37 - $182.42

Q1 2023

Shares 4,665 Value ($000) $785 Avg Close $178.42 Range $147.53 - $200.98

Q3 2022

Shares 2,859 Value ($000) $535 Avg Close $210.87 Range $157.33 - $262.26

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	5,148	$844	$156.63	$134.19 - $174.01
Q2 2025	17,352	$2,158	$127.25	$102.97 - $148.94
Q1 2025	12,935	$1,646	$153.93	$125.39 - $182.52
Q4 2024	9,640	$1,388	$143.40	$121.52 - $161.24
Q3 2023	5,515	$877	$163.47	$134.64 - $181.26
Q2 2023	4,376	$619	$160.35	$135.37 - $182.42
Q1 2023	4,665	$785	$178.42	$147.53 - $200.98
Q3 2022	2,859	$535	$210.87	$157.33 - $262.26