REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q4 2024
Shares 14,900 Value ($000) $2,145 Avg Close $143.40 Range $121.52 - $161.24
Q3 2024
Shares 15,500 Value ($000) $2,307 Avg Close $143.39 Range $117.63 - $172.65
Q1 2024
Shares 3,120 Value ($000) $574 Avg Close $190.44 Range $167.40 - $211.13
Q3 2023
Shares 25,360 Value ($000) $4,032 Avg Close $163.47 Range $134.64 - $181.26
Q3 2022
Shares 2,530 Value ($000) $473 Avg Close $210.87 Range $157.33 - $262.26
Q2 2022
Shares 1,470 Value ($000) $239 Avg Close $158.16 Range $137.21 - $190.59
Q1 2022
Shares 1,470 Value ($000) $276 Avg Close $189.96 Range $156.28 - $265.78
Q4 2021
Shares 1,470 Value ($000) $389 Avg Close $269.41 Range $243.29 - $306.98
Q3 2021
Shares 1,470 Value ($000) $425 Avg Close $256.54 Range $193.03 - $327.32
Q2 2021
Shares 750 Value ($000) $150 Avg Close $193.99 Range $162.29 - $223.03
Q1 2021
Shares 750 Value ($000) $146 Avg Close $205.03 Range $173.09 - $228.84
Q1 2020
Shares 113,076 Value ($000) $10,916 Avg Close $96.54 Range $78.41 - $109.94
Q4 2019
Shares 116,831 Value ($000) $10,807 Avg Close $84.01 Range $72.32 - $93.50
Q3 2019
Shares 75,780 Value ($000) $5,812 Avg Close $87.47 Range $75.80 - $99.25
Q2 2019
Shares 25,820 Value ($000) $2,219 Avg Close $68.16 Range $52.87 - $86.16
Q3 2017
Shares 127,998 Value ($000) $4,905 Avg Close $41.91 Range $35.73 - $46.12
Q2 2017
Shares 183,203 Value ($000) $7,592 Avg Close $38.00 Range $32.73 - $46.81
Q3 2015
Shares 123,690 Value ($000) $3,445 Avg Close $36.14 Range $27.25 - $42.22
Q2 2015
Shares 86,225 Value ($000) $3,559 Avg Close $36.64 Range $28.88 - $42.48