REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

WELLS FARGO & COMPANY/MN's Holding History (CIK: 0000072971)

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

Q4 2025

Shares 36,469 Value ($000) $5,976 Avg Close $156.63 Range $134.19 - $174.01

Q3 2025

Shares 22,479 Value ($000) $3,005 Avg Close $121.47 Range $110.77 - $135.57

Q2 2025

Shares 22,788 Value ($000) $2,834 Avg Close $127.25 Range $102.97 - $148.94

Q1 2025

Shares 21,729 Value ($000) $2,765 Avg Close $153.93 Range $125.39 - $182.52

Q4 2024

Shares 19,303 Value ($000) $2,778 Avg Close $143.40 Range $121.52 - $161.24

Q3 2024

Shares 7,801 Value ($000) $1,161 Avg Close $143.39 Range $117.63 - $172.65

Q2 2024

Shares 8,319 Value ($000) $1,049 Avg Close $156.74 Range $113.50 - $184.98

Q1 2024

Shares 9,189 Value ($000) $1,690 Avg Close $190.44 Range $167.40 - $211.13

Q4 2023

Shares 14,734 Value ($000) $2,649 Avg Close $155.67 Range $110.45 - $188.31

Q3 2023

Shares 32,307 Value ($000) $5,137 Avg Close $163.47 Range $134.64 - $181.26

Q2 2023

Shares 30,692 Value ($000) $4,342 Avg Close $160.35 Range $135.37 - $182.42

Q1 2023

Shares 34,339 Value ($000) $5,781 Avg Close $178.42 Range $147.53 - $200.98

Q4 2022

Shares 34,768 Value ($000) $5,887 Avg Close $181.39 Range $158.58 - $225.62

Q3 2022

Shares 31,827 Value ($000) $5,955 Avg Close $210.87 Range $157.33 - $262.26

Q2 2022

Shares 42,303 Value ($000) $6,870 Avg Close $158.16 Range $137.21 - $190.59

Q1 2022

Shares 61,547 Value ($000) $11,576 Avg Close $189.96 Range $156.28 - $265.78

Q4 2021

Shares 48,138 Value ($000) $12,749 Avg Close $269.41 Range $243.29 - $306.98

Q3 2021

Shares 891,320 Value ($000) $257,583 Avg Close $256.54 Range $193.03 - $327.32

Q2 2021

Shares 976,972 Value ($000) $195,023 Avg Close $193.99 Range $162.29 - $223.03

Q1 2021

Shares 904,780 Value ($000) $175,899 Avg Close $205.03 Range $173.09 - $228.84

Q4 2020

Shares 893,571 Value ($000) $171,234 Avg Close $181.94 Range $146.52 - $212.55

Q3 2020

Shares 821,890 Value ($000) $121,262 Avg Close $142.94 Range $120.12 - $159.97

Q2 2020

Shares 742,184 Value ($000) $91,742 Avg Close $117.64 Range $92.00 - $143.93

Q1 2020

Shares 753,693 Value ($000) $72,762 Avg Close $96.54 Range $78.41 - $109.94

Q4 2019

Shares 946,022 Value ($000) $87,508 Avg Close $84.01 Range $72.32 - $93.50

Q3 2019

Shares 753,381 Value ($000) $57,777 Avg Close $87.47 Range $75.80 - $99.25

Q2 2019

Shares 518,125 Value ($000) $44,533 Avg Close $68.16 Range $52.87 - $86.16

Q1 2019

Shares 476,376 Value ($000) $28,144 Avg Close $57.51 Range $49.07 - $63.41

Q4 2018

Shares 688,532 Value ($000) $36,313 Avg Close $58.65 Range $48.26 - $70.50

Q3 2018

Shares 804,762 Value ($000) $44,632 Avg Close $51.54 Range $45.00 - $58.99

Q2 2018

Shares 807,103 Value ($000) $37,965 Avg Close $41.16 Range $34.61 - $47.87

Q1 2018

Shares 738,506 Value ($000) $26,720 Avg Close $35.17 Range $29.56 - $37.82

Q4 2017

Shares 890,607 Value ($000) $32,311 Avg Close $36.20 Range $31.96 - $40.05

Q3 2017

Shares 641,156 Value ($000) $24,569 Avg Close $41.91 Range $35.73 - $46.12

Q2 2017

Shares 672,084 Value ($000) $27,851 Avg Close $38.00 Range $32.73 - $46.81

Q1 2017

Shares 767,861 Value ($000) $27,030 Avg Close $31.67 Range $28.48 - $35.61

Q4 2016

Shares 694,009 Value ($000) $21,389 Avg Close $30.93 Range $26.16 - $34.06

Q3 2016

Shares 656,329 Value ($000) $19,815 Avg Close $30.18 Range $25.93 - $33.79

Q2 2016

Shares 698,373 Value ($000) $19,108 Avg Close $25.57 Range $21.11 - $28.97

Q1 2016

Shares 703,937 Value ($000) $18,879 Avg Close $24.47 Range $20.07 - $28.85

Q4 2015

Shares 696,377 Value ($000) $19,701 Avg Close $28.84 Range $21.69 - $36.00

Q3 2015

Shares 841,508 Value ($000) $23,437 Avg Close $36.14 Range $27.25 - $42.22

Q2 2015

Shares 782,800 Value ($000) $32,306 Avg Close $36.64 Range $28.88 - $42.48

Q1 2015

Shares 751,169 Value ($000) $22,805 Avg Close $25.94 Range $19.53 - $34.15

Q4 2014

Shares 542,687 Value ($000) $10,745 Avg Close $22.36 Range $19.02 - $26.75

Q3 2014

Shares 80,995 Value ($000) $1,613 Avg Close $21.05 Range $18.23 - $24.68

Q2 2014

Shares 81,049 Value ($000) $1,848 Avg Close $17.80 Range $12.60 - $23.14

Q1 2014

Shares 14,631 Value ($000) $189 Avg Close $14.34 Range $11.70 - $17.26

Q4 2013

Shares 23,621 Value ($000) $322 Avg Close $11.94 Range $9.89 - $14.05

Q3 2013

Shares 23,371 Value ($000) $259 Avg Close $9.95 Range $8.25 - $11.44

Q2 2013

Shares 1 Value ($000) $0 Avg Close $8.40 Range $6.65 - $9.65

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	36,469	$5,976	$156.63	$134.19 - $174.01
Q3 2025	22,479	$3,005	$121.47	$110.77 - $135.57
Q2 2025	22,788	$2,834	$127.25	$102.97 - $148.94
Q1 2025	21,729	$2,765	$153.93	$125.39 - $182.52
Q4 2024	19,303	$2,778	$143.40	$121.52 - $161.24
Q3 2024	7,801	$1,161	$143.39	$117.63 - $172.65
Q2 2024	8,319	$1,049	$156.74	$113.50 - $184.98
Q1 2024	9,189	$1,690	$190.44	$167.40 - $211.13
Q4 2023	14,734	$2,649	$155.67	$110.45 - $188.31
Q3 2023	32,307	$5,137	$163.47	$134.64 - $181.26
Q2 2023	30,692	$4,342	$160.35	$135.37 - $182.42
Q1 2023	34,339	$5,781	$178.42	$147.53 - $200.98
Q4 2022	34,768	$5,887	$181.39	$158.58 - $225.62
Q3 2022	31,827	$5,955	$210.87	$157.33 - $262.26
Q2 2022	42,303	$6,870	$158.16	$137.21 - $190.59
Q1 2022	61,547	$11,576	$189.96	$156.28 - $265.78
Q4 2021	48,138	$12,749	$269.41	$243.29 - $306.98
Q3 2021	891,320	$257,583	$256.54	$193.03 - $327.32
Q2 2021	976,972	$195,023	$193.99	$162.29 - $223.03
Q1 2021	904,780	$175,899	$205.03	$173.09 - $228.84
Q4 2020	893,571	$171,234	$181.94	$146.52 - $212.55
Q3 2020	821,890	$121,262	$142.94	$120.12 - $159.97
Q2 2020	742,184	$91,742	$117.64	$92.00 - $143.93
Q1 2020	753,693	$72,762	$96.54	$78.41 - $109.94
Q4 2019	946,022	$87,508	$84.01	$72.32 - $93.50
Q3 2019	753,381	$57,777	$87.47	$75.80 - $99.25
Q2 2019	518,125	$44,533	$68.16	$52.87 - $86.16
Q1 2019	476,376	$28,144	$57.51	$49.07 - $63.41
Q4 2018	688,532	$36,313	$58.65	$48.26 - $70.50
Q3 2018	804,762	$44,632	$51.54	$45.00 - $58.99
Q2 2018	807,103	$37,965	$41.16	$34.61 - $47.87
Q1 2018	738,506	$26,720	$35.17	$29.56 - $37.82
Q4 2017	890,607	$32,311	$36.20	$31.96 - $40.05
Q3 2017	641,156	$24,569	$41.91	$35.73 - $46.12
Q2 2017	672,084	$27,851	$38.00	$32.73 - $46.81
Q1 2017	767,861	$27,030	$31.67	$28.48 - $35.61
Q4 2016	694,009	$21,389	$30.93	$26.16 - $34.06
Q3 2016	656,329	$19,815	$30.18	$25.93 - $33.79
Q2 2016	698,373	$19,108	$25.57	$21.11 - $28.97
Q1 2016	703,937	$18,879	$24.47	$20.07 - $28.85
Q4 2015	696,377	$19,701	$28.84	$21.69 - $36.00
Q3 2015	841,508	$23,437	$36.14	$27.25 - $42.22
Q2 2015	782,800	$32,306	$36.64	$28.88 - $42.48
Q1 2015	751,169	$22,805	$25.94	$19.53 - $34.15
Q4 2014	542,687	$10,745	$22.36	$19.02 - $26.75
Q3 2014	80,995	$1,613	$21.05	$18.23 - $24.68
Q2 2014	81,049	$1,848	$17.80	$12.60 - $23.14
Q1 2014	14,631	$189	$14.34	$11.70 - $17.26
Q4 2013	23,621	$322	$11.94	$9.89 - $14.05
Q3 2013	23,371	$259	$9.95	$8.25 - $11.44
Q2 2013	1	$0	$8.40	$6.65 - $9.65