REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

12 West Capital Management LP's Holding History (CIK: 0001540531)

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

Q4 2025

Shares 241,233 Value ($000) $39,528 Avg Close $156.63 Range $134.19 - $174.01

Q3 2025

Shares 241,233 Value ($000) $32,246 Avg Close $121.47 Range $110.77 - $135.57

Q2 2025

Shares 241,233 Value ($000) $30,005 Avg Close $127.25 Range $102.97 - $148.94

Q1 2025

Shares 241,233 Value ($000) $30,694 Avg Close $153.93 Range $125.39 - $182.52

Q4 2024

Shares 246,875 Value ($000) $35,535 Avg Close $143.40 Range $121.52 - $161.24

Q3 2024

Shares 252,849 Value ($000) $37,629 Avg Close $143.39 Range $117.63 - $172.65

Q2 2024

Shares 252,849 Value ($000) $31,874 Avg Close $156.74 Range $113.50 - $184.98

Q1 2024

Shares 252,849 Value ($000) $46,504 Avg Close $190.44 Range $167.40 - $211.13

Q4 2023

Shares 368,245 Value ($000) $66,210 Avg Close $155.67 Range $110.45 - $188.31

Q3 2023

Shares 414,217 Value ($000) $65,865 Avg Close $163.47 Range $134.64 - $181.26

Q2 2023

Shares 480,498 Value ($000) $67,971 Avg Close $160.35 Range $135.37 - $182.42

Q1 2023

Shares 571,145 Value ($000) $96,158 Avg Close $178.42 Range $147.53 - $200.98

Q4 2022

Shares 667,621 Value ($000) $113,035 Avg Close $181.39 Range $158.58 - $225.62

Q3 2022

Shares 795,433 Value ($000) $148,833 Avg Close $210.87 Range $157.33 - $262.26

Q2 2022

Shares 812,863 Value ($000) $132,009 Avg Close $158.16 Range $137.21 - $190.59

Q1 2022

Shares 813,157 Value ($000) $152,947 Avg Close $189.96 Range $156.28 - $265.78

Q4 2021

Shares 812,225 Value ($000) $215,110 Avg Close $269.41 Range $243.29 - $306.98

Q3 2021

Shares 1,021,641 Value ($000) $295,244 Avg Close $256.54 Range $193.03 - $327.32

Q2 2021

Shares 1,075,053 Value ($000) $214,602 Avg Close $193.99 Range $162.29 - $223.03

Q1 2021

Shares 1,091,807 Value ($000) $212,258 Avg Close $205.03 Range $173.09 - $228.84

Q4 2020

Shares 1,102,383 Value ($000) $211,250 Avg Close $181.94 Range $146.52 - $212.55

Q3 2020

Shares 1,102,383 Value ($000) $162,645 Avg Close $142.94 Range $120.12 - $159.97

Q2 2020

Shares 1,102,383 Value ($000) $136,266 Avg Close $117.64 Range $92.00 - $143.93

Q1 2020

Shares 1,178,524 Value ($000) $113,775 Avg Close $96.54 Range $78.41 - $109.94

Q4 2019

Shares 1,178,524 Value ($000) $109,013 Avg Close $84.01 Range $72.32 - $93.50

Q3 2019

Shares 993,524 Value ($000) $76,193 Avg Close $87.47 Range $75.80 - $99.25

Q2 2019

Shares 515,524 Value ($000) $44,309 Avg Close $68.16 Range $52.87 - $86.16

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	241,233	$39,528	$156.63	$134.19 - $174.01
Q3 2025	241,233	$32,246	$121.47	$110.77 - $135.57
Q2 2025	241,233	$30,005	$127.25	$102.97 - $148.94
Q1 2025	241,233	$30,694	$153.93	$125.39 - $182.52
Q4 2024	246,875	$35,535	$143.40	$121.52 - $161.24
Q3 2024	252,849	$37,629	$143.39	$117.63 - $172.65
Q2 2024	252,849	$31,874	$156.74	$113.50 - $184.98
Q1 2024	252,849	$46,504	$190.44	$167.40 - $211.13
Q4 2023	368,245	$66,210	$155.67	$110.45 - $188.31
Q3 2023	414,217	$65,865	$163.47	$134.64 - $181.26
Q2 2023	480,498	$67,971	$160.35	$135.37 - $182.42
Q1 2023	571,145	$96,158	$178.42	$147.53 - $200.98
Q4 2022	667,621	$113,035	$181.39	$158.58 - $225.62
Q3 2022	795,433	$148,833	$210.87	$157.33 - $262.26
Q2 2022	812,863	$132,009	$158.16	$137.21 - $190.59
Q1 2022	813,157	$152,947	$189.96	$156.28 - $265.78
Q4 2021	812,225	$215,110	$269.41	$243.29 - $306.98
Q3 2021	1,021,641	$295,244	$256.54	$193.03 - $327.32
Q2 2021	1,075,053	$214,602	$193.99	$162.29 - $223.03
Q1 2021	1,091,807	$212,258	$205.03	$173.09 - $228.84
Q4 2020	1,102,383	$211,250	$181.94	$146.52 - $212.55
Q3 2020	1,102,383	$162,645	$142.94	$120.12 - $159.97
Q2 2020	1,102,383	$136,266	$117.64	$92.00 - $143.93
Q1 2020	1,178,524	$113,775	$96.54	$78.41 - $109.94
Q4 2019	1,178,524	$109,013	$84.01	$72.32 - $93.50
Q3 2019	993,524	$76,193	$87.47	$75.80 - $99.25
Q2 2019	515,524	$44,309	$68.16	$52.87 - $86.16