REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

D L CARLSON INVESTMENT GROUP INC's Holding History (CIK: 0001021117)

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

Q4 2025

Shares 4,463 Value ($000) $731 Avg Close $156.63 Range $134.19 - $174.01

Q3 2025

Shares 4,984 Value ($000) $666 Avg Close $121.47 Range $110.77 - $135.57

Q2 2025

Shares 5,127 Value ($000) $638 Avg Close $127.25 Range $102.97 - $148.94

Q1 2025

Shares 5,361 Value ($000) $682 Avg Close $153.93 Range $125.39 - $182.52

Q4 2024

Shares 5,787 Value ($000) $833 Avg Close $143.40 Range $121.52 - $161.24

Q3 2024

Shares 6,090 Value ($000) $906 Avg Close $143.39 Range $117.63 - $172.65

Q2 2024

Shares 6,138 Value ($000) $774 Avg Close $156.74 Range $113.50 - $184.98

Q1 2024

Shares 6,548 Value ($000) $1,204 Avg Close $190.44 Range $167.40 - $211.13

Q4 2023

Shares 6,658 Value ($000) $1,372 Avg Close $155.67 Range $110.45 - $188.31

Q3 2023

Shares 8,402 Value ($000) $1,336 Avg Close $163.47 Range $134.64 - $181.26

Q2 2023

Shares 8,600 Value ($000) $1,217 Avg Close $160.35 Range $135.37 - $182.42

Q1 2023

Shares 8,949 Value ($000) $2 Avg Close $178.42 Range $147.53 - $200.98

Q4 2022

Shares 9,342 Value ($000) $2 Avg Close $181.39 Range $158.58 - $225.62

Q3 2022

Shares 9,767 Value ($000) $1,828 Avg Close $210.87 Range $157.33 - $262.26

Q2 2022

Shares 12,330 Value ($000) $2,002 Avg Close $158.16 Range $137.21 - $190.59

Q1 2022

Shares 12,655 Value ($000) $2,380 Avg Close $189.96 Range $156.28 - $265.78

Q4 2021

Shares 14,063 Value ($000) $3,724 Avg Close $269.41 Range $243.29 - $306.98

Q3 2021

Shares 15,500 Value ($000) $4,479 Avg Close $256.54 Range $193.03 - $327.32

Q2 2021

Shares 16,477 Value ($000) $3,289 Avg Close $193.99 Range $162.29 - $223.03

Q1 2021

Shares 17,028 Value ($000) $3,310 Avg Close $205.03 Range $173.09 - $228.84

Q4 2020

Shares 21,175 Value ($000) $4,058 Avg Close $181.94 Range $146.52 - $212.55

Q3 2020

Shares 23,085 Value ($000) $3,406 Avg Close $142.94 Range $120.12 - $159.97

Q2 2020

Shares 23,765 Value ($000) $2,938 Avg Close $117.64 Range $92.00 - $143.93

Q1 2020

Shares 25,170 Value ($000) $2,430 Avg Close $96.54 Range $78.41 - $109.94

Q4 2019

Shares 26,661 Value ($000) $2,466 Avg Close $84.01 Range $72.32 - $93.50

Q3 2019

Shares 27,357 Value ($000) $2,098 Avg Close $87.47 Range $75.80 - $99.25

Q2 2019

Shares 27,932 Value ($000) $2,401 Avg Close $68.16 Range $52.87 - $86.16

Q1 2019

Shares 29,461 Value ($000) $1,741 Avg Close $57.51 Range $49.07 - $63.41

Q4 2018

Shares 32,374 Value ($000) $1,707 Avg Close $58.65 Range $48.26 - $70.50

Q3 2018

Shares 34,229 Value ($000) $1,898 Avg Close $51.54 Range $45.00 - $58.99

Q2 2018

Shares 34,904 Value ($000) $1,642 Avg Close $41.16 Range $34.61 - $47.87

Q1 2018

Shares 36,234 Value ($000) $1,311 Avg Close $35.17 Range $29.56 - $37.82

Q4 2017

Shares 37,134 Value ($000) $1,347 Avg Close $36.20 Range $31.96 - $40.05

Q3 2017

Shares 39,404 Value ($000) $1,510 Avg Close $41.91 Range $35.73 - $46.12

Q2 2017

Shares 39,734 Value ($000) $1,647 Avg Close $38.00 Range $32.73 - $46.81

Q1 2017

Shares 40,339 Value ($000) $1,420 Avg Close $31.67 Range $28.48 - $35.61

Q4 2016

Shares 40,914 Value ($000) $1,261 Avg Close $30.93 Range $26.16 - $34.06

Q3 2016

Shares 43,880 Value ($000) $1,325 Avg Close $30.18 Range $25.93 - $33.79

Q2 2016

Shares 44,180 Value ($000) $1,209 Avg Close $25.57 Range $21.11 - $28.97

Q1 2016

Shares 47,880 Value ($000) $1,284 Avg Close $24.47 Range $20.07 - $28.85

Q4 2015

Shares 49,280 Value ($000) $1,394 Avg Close $28.84 Range $21.69 - $36.00

Q3 2015

Shares 50,090 Value ($000) $1,395 Avg Close $36.14 Range $27.25 - $42.22

Q2 2015

Shares 106,905 Value ($000) $4,412 Avg Close $36.64 Range $28.88 - $42.48

Q1 2015

Shares 109,535 Value ($000) $3,325 Avg Close $25.94 Range $19.53 - $34.15

Q4 2014

Shares 122,985 Value ($000) $2,435 Avg Close $22.36 Range $19.02 - $26.75

Q3 2014

Shares 121,325 Value ($000) $2,416 Avg Close $21.05 Range $18.23 - $24.68

Q2 2014

Shares 144,600 Value ($000) $3,295 Avg Close $17.80 Range $12.60 - $23.14

Q1 2014

Shares 116,050 Value ($000) $1,492 Avg Close $14.34 Range $11.70 - $17.26

Q4 2013

Shares 130,675 Value ($000) $1,782 Avg Close $11.94 Range $9.89 - $14.05

Q3 2013

Shares 101,750 Value ($000) $1,128 Avg Close $9.95 Range $8.25 - $11.44

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,463	$731	$156.63	$134.19 - $174.01
Q3 2025	4,984	$666	$121.47	$110.77 - $135.57
Q2 2025	5,127	$638	$127.25	$102.97 - $148.94
Q1 2025	5,361	$682	$153.93	$125.39 - $182.52
Q4 2024	5,787	$833	$143.40	$121.52 - $161.24
Q3 2024	6,090	$906	$143.39	$117.63 - $172.65
Q2 2024	6,138	$774	$156.74	$113.50 - $184.98
Q1 2024	6,548	$1,204	$190.44	$167.40 - $211.13
Q4 2023	6,658	$1,372	$155.67	$110.45 - $188.31
Q3 2023	8,402	$1,336	$163.47	$134.64 - $181.26
Q2 2023	8,600	$1,217	$160.35	$135.37 - $182.42
Q1 2023	8,949	$2	$178.42	$147.53 - $200.98
Q4 2022	9,342	$2	$181.39	$158.58 - $225.62
Q3 2022	9,767	$1,828	$210.87	$157.33 - $262.26
Q2 2022	12,330	$2,002	$158.16	$137.21 - $190.59
Q1 2022	12,655	$2,380	$189.96	$156.28 - $265.78
Q4 2021	14,063	$3,724	$269.41	$243.29 - $306.98
Q3 2021	15,500	$4,479	$256.54	$193.03 - $327.32
Q2 2021	16,477	$3,289	$193.99	$162.29 - $223.03
Q1 2021	17,028	$3,310	$205.03	$173.09 - $228.84
Q4 2020	21,175	$4,058	$181.94	$146.52 - $212.55
Q3 2020	23,085	$3,406	$142.94	$120.12 - $159.97
Q2 2020	23,765	$2,938	$117.64	$92.00 - $143.93
Q1 2020	25,170	$2,430	$96.54	$78.41 - $109.94
Q4 2019	26,661	$2,466	$84.01	$72.32 - $93.50
Q3 2019	27,357	$2,098	$87.47	$75.80 - $99.25
Q2 2019	27,932	$2,401	$68.16	$52.87 - $86.16
Q1 2019	29,461	$1,741	$57.51	$49.07 - $63.41
Q4 2018	32,374	$1,707	$58.65	$48.26 - $70.50
Q3 2018	34,229	$1,898	$51.54	$45.00 - $58.99
Q2 2018	34,904	$1,642	$41.16	$34.61 - $47.87
Q1 2018	36,234	$1,311	$35.17	$29.56 - $37.82
Q4 2017	37,134	$1,347	$36.20	$31.96 - $40.05
Q3 2017	39,404	$1,510	$41.91	$35.73 - $46.12
Q2 2017	39,734	$1,647	$38.00	$32.73 - $46.81
Q1 2017	40,339	$1,420	$31.67	$28.48 - $35.61
Q4 2016	40,914	$1,261	$30.93	$26.16 - $34.06
Q3 2016	43,880	$1,325	$30.18	$25.93 - $33.79
Q2 2016	44,180	$1,209	$25.57	$21.11 - $28.97
Q1 2016	47,880	$1,284	$24.47	$20.07 - $28.85
Q4 2015	49,280	$1,394	$28.84	$21.69 - $36.00
Q3 2015	50,090	$1,395	$36.14	$27.25 - $42.22
Q2 2015	106,905	$4,412	$36.64	$28.88 - $42.48
Q1 2015	109,535	$3,325	$25.94	$19.53 - $34.15
Q4 2014	122,985	$2,435	$22.36	$19.02 - $26.75
Q3 2014	121,325	$2,416	$21.05	$18.23 - $24.68
Q2 2014	144,600	$3,295	$17.80	$12.60 - $23.14
Q1 2014	116,050	$1,492	$14.34	$11.70 - $17.26
Q4 2013	130,675	$1,782	$11.94	$9.89 - $14.05
Q3 2013	101,750	$1,128	$9.95	$8.25 - $11.44