REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q3 2025
Shares 2,943 Value ($000) $0 Avg Close $121.47 Range $110.77 - $135.57
Q1 2025
Shares 3,504 Value ($000) $0 Avg Close $153.93 Range $125.39 - $182.52
Q4 2024
Shares 3,281 Value ($000) $0 Avg Close $143.40 Range $121.52 - $161.24
Q3 2024
Shares 4,157 Value ($000) $1 Avg Close $143.39 Range $117.63 - $172.65
Q2 2024
Shares 7,021 Value ($000) $1 Avg Close $156.74 Range $113.50 - $184.98
Q3 2023
Shares 2,433 Value ($000) $0 Avg Close $163.47 Range $134.64 - $181.26
Q2 2023
Shares 2,726 Value ($000) $0 Avg Close $160.35 Range $135.37 - $182.42
Q4 2020
Shares 2,707 Value ($000) $518 Avg Close $181.94 Range $146.52 - $212.55
Q3 2020
Shares 627 Value ($000) $92 Avg Close $142.94 Range $120.12 - $159.97
Q2 2020
Shares 2,842 Value ($000) $351 Avg Close $117.64 Range $92.00 - $143.93
Q1 2019
Shares 14 Value ($000) $0 Avg Close $57.51 Range $49.07 - $63.41
Q4 2018
Shares 4,680 Value ($000) $246 Avg Close $58.65 Range $48.26 - $70.50
Q4 2017
Shares 2,463 Value ($000) $89 Avg Close $36.20 Range $31.96 - $40.05
Q3 2017
Shares 3,685 Value ($000) $141 Avg Close $41.91 Range $35.73 - $46.12
Q1 2017
Shares 3,777 Value ($000) $132 Avg Close $31.67 Range $28.48 - $35.61
Q2 2016
Shares 5,330 Value ($000) $145 Avg Close $25.57 Range $21.11 - $28.97
Q3 2015
Shares 777 Value ($000) $21 Avg Close $36.14 Range $27.25 - $42.22