REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

GREAT WEST LIFE ASSURANCE CO /CAN/'s Holding History (CIK: 0001046192)

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

Q4 2025

Shares 75,218 Value ($000) $58 Avg Close $678.68 Range $540.32 - $792.77

Q3 2025

Shares 91,004 Value ($000) $51 Avg Close $564.28 Range $519.56 - $609.69

Q2 2025

Shares 87,094 Value ($000) $46 Avg Close $556.12 Range $475.17 - $638.52

Q1 2025

Shares 124,623 Value ($000) $79 Avg Close $684.44 Range $615.89 - $745.12

Q4 2024

Shares 120,865 Value ($000) $86 Avg Close $834.60 Range $689.18 - $1055.74

Q3 2024

Shares 126,196 Value ($000) $133 Avg Close $1106.73 Range $1002.85 - $1204.52

Q2 2024

Shares 120,091 Value ($000) $126 Avg Close $964.05 Range $870.40 - $1075.21

Q1 2024

Shares 101,164 Value ($000) $97 Avg Close $945.64 Range $866.58 - $992.82

Q4 2023

Shares 111,988 Value ($000) $98 Avg Close $818.96 Range $764.95 - $894.90

Q3 2023

Shares 123,363 Value ($000) $101 Avg Close $781.58 Range $684.72 - $842.83

Q2 2023

Shares 123,599 Value ($000) $89 Avg Close $766.75 Range $681.03 - $832.93

Q1 2023

Shares 131,840 Value ($000) $108 Avg Close $750.05 Range $664.32 - $830.39

Q4 2022

Shares 144,226 Value ($000) $105 Avg Close $733.79 Range $690.81 - $774.70

Q3 2022

Shares 169,187 Value ($000) $116,414 Avg Close $625.92 Range $560.71 - $750.51

Q2 2022

Shares 176,654 Value ($000) $104,503 Avg Close $646.43 Range $535.04 - $743.30

Q1 2022

Shares 172,277 Value ($000) $126,808 Avg Close $629.16 Range $589.59 - $706.29

Q4 2021

Shares 173,914 Value ($000) $109,568 Avg Close $611.44 Range $536.21 - $670.14

Q3 2021

Shares 157,433 Value ($000) $95,834 Avg Close $617.39 Range $551.89 - $682.83

Q2 2021

Shares 152,779 Value ($000) $85,306 Avg Close $503.83 Range $466.78 - $566.85

Q1 2021

Shares 176,930 Value ($000) $83,268 Avg Close $484.19 Range $438.57 - $555.83

Q4 2020

Shares 189,152 Value ($000) $91,160 Avg Close $536.82 Range $468.18 - $616.55

Q3 2020

Shares 148,394 Value ($000) $83,046 Avg Close $602.99 Range $537.02 - $660.97

Q2 2020

Shares 130,121 Value ($000) $80,737 Avg Close $564.49 Range $473.82 - $642.77

Q1 2020

Shares 64,145 Value ($000) $31,535 Avg Close $410.21 Range $326.32 - $515.14

Q4 2019

Shares 80,652 Value ($000) $30,055 Avg Close $334.59 Range $270.76 - $380.14

Q3 2019

Shares 77,073 Value ($000) $21,407 Avg Close $294.28 Range $269.87 - $318.99

Q2 2019

Shares 84,310 Value ($000) $26,365 Avg Close $331.08 Range $293.64 - $413.60

Q1 2019

Shares 83,922 Value ($000) $34,370 Avg Close $409.51 Range $363.99 - $439.56

Q4 2018

Shares 65,965 Value ($000) $23,793 Avg Close $364.00 Range $325.77 - $407.74

Q3 2018

Shares 49,100 Value ($000) $19,855 Avg Close $378.49 Range $340.69 - $414.19

Q2 2018

Shares 56,659 Value ($000) $19,549 Avg Close $311.03 Range $280.34 - $347.31

Q1 2018

Shares 55,735 Value ($000) $19,218 Avg Close $345.90 Range $311.80 - $394.59

Q4 2017

Shares 71,171 Value ($000) $26,731 Avg Close $402.77 Range $351.19 - $474.37

Q3 2017

Shares 66,536 Value ($000) $29,045 Avg Close $473.21 Range $424.12 - $523.22

Q2 2017

Shares 55,007 Value ($000) $26,988 Avg Close $435.19 Range $358.01 - $540.55

Q1 2017

Shares 55,141 Value ($000) $21,340 Avg Close $368.62 Range $338.21 - $399.00

Q4 2016

Shares 54,683 Value ($000) $20,138 Avg Close $378.17 Range $323.56 - $450.46

Q3 2016

Shares 55,537 Value ($000) $22,308 Avg Close $398.92 Range $346.51 - $441.54

Q2 2016

Shares 54,127 Value ($000) $18,868 Avg Close $383.00 Range $327.27 - $431.54

Q1 2016

Shares 41,107 Value ($000) $14,806 Avg Close $409.79 Range $347.04 - $529.97

Q4 2015

Shares 49,504 Value ($000) $26,892 Avg Close $538.82 Range $445.63 - $589.32

Q3 2015

Shares 41,362 Value ($000) $19,220 Avg Close $534.07 Range $433.12 - $602.59

Q2 2015

Shares 92,350 Value ($000) $47,054 Avg Close $485.93 Range $431.08 - $541.00

Q1 2015

Shares 92,664 Value ($000) $41,730 Avg Close $421.46 Range $390.83 - $492.77

Q4 2014

Shares 95,701 Value ($000) $39,259 Avg Close $391.09 Range $318.29 - $435.23

Q3 2014

Shares 78,228 Value ($000) $28,235 Avg Close $333.32 Range $283.49 - $367.27

Q2 2014

Shares 37,143 Value ($000) $10,466 Avg Close $294.74 Range $268.01 - $318.24

Q1 2014

Shares 37,422 Value ($000) $11,183 Avg Close $306.39 Range $261.52 - $350.55

Q4 2013

Shares 36,314 Value ($000) $10,040 Avg Close $286.03 Range $256.27 - $317.74

Q3 2013

Shares 295 Value ($000) $92 Avg Close $261.58 Range $224.53 - $318.07

Q2 2013

Shares 312 Value ($000) $70 Avg Close $231.58 Range $176.14 - $282.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	75,218	$58	$678.68	$540.32 - $792.77
Q3 2025	91,004	$51	$564.28	$519.56 - $609.69
Q2 2025	87,094	$46	$556.12	$475.17 - $638.52
Q1 2025	124,623	$79	$684.44	$615.89 - $745.12
Q4 2024	120,865	$86	$834.60	$689.18 - $1055.74
Q3 2024	126,196	$133	$1106.73	$1002.85 - $1204.52
Q2 2024	120,091	$126	$964.05	$870.40 - $1075.21
Q1 2024	101,164	$97	$945.64	$866.58 - $992.82
Q4 2023	111,988	$98	$818.96	$764.95 - $894.90
Q3 2023	123,363	$101	$781.58	$684.72 - $842.83
Q2 2023	123,599	$89	$766.75	$681.03 - $832.93
Q1 2023	131,840	$108	$750.05	$664.32 - $830.39
Q4 2022	144,226	$105	$733.79	$690.81 - $774.70
Q3 2022	169,187	$116,414	$625.92	$560.71 - $750.51
Q2 2022	176,654	$104,503	$646.43	$535.04 - $743.30
Q1 2022	172,277	$126,808	$629.16	$589.59 - $706.29
Q4 2021	173,914	$109,568	$611.44	$536.21 - $670.14
Q3 2021	157,433	$95,834	$617.39	$551.89 - $682.83
Q2 2021	152,779	$85,306	$503.83	$466.78 - $566.85
Q1 2021	176,930	$83,268	$484.19	$438.57 - $555.83
Q4 2020	189,152	$91,160	$536.82	$468.18 - $616.55
Q3 2020	148,394	$83,046	$602.99	$537.02 - $660.97
Q2 2020	130,121	$80,737	$564.49	$473.82 - $642.77
Q1 2020	64,145	$31,535	$410.21	$326.32 - $515.14
Q4 2019	80,652	$30,055	$334.59	$270.76 - $380.14
Q3 2019	77,073	$21,407	$294.28	$269.87 - $318.99
Q2 2019	84,310	$26,365	$331.08	$293.64 - $413.60
Q1 2019	83,922	$34,370	$409.51	$363.99 - $439.56
Q4 2018	65,965	$23,793	$364.00	$325.77 - $407.74
Q3 2018	49,100	$19,855	$378.49	$340.69 - $414.19
Q2 2018	56,659	$19,549	$311.03	$280.34 - $347.31
Q1 2018	55,735	$19,218	$345.90	$311.80 - $394.59
Q4 2017	71,171	$26,731	$402.77	$351.19 - $474.37
Q3 2017	66,536	$29,045	$473.21	$424.12 - $523.22
Q2 2017	55,007	$26,988	$435.19	$358.01 - $540.55
Q1 2017	55,141	$21,340	$368.62	$338.21 - $399.00
Q4 2016	54,683	$20,138	$378.17	$323.56 - $450.46
Q3 2016	55,537	$22,308	$398.92	$346.51 - $441.54
Q2 2016	54,127	$18,868	$383.00	$327.27 - $431.54
Q1 2016	41,107	$14,806	$409.79	$347.04 - $529.97
Q4 2015	49,504	$26,892	$538.82	$445.63 - $589.32
Q3 2015	41,362	$19,220	$534.07	$433.12 - $602.59
Q2 2015	92,350	$47,054	$485.93	$431.08 - $541.00
Q1 2015	92,664	$41,730	$421.46	$390.83 - $492.77
Q4 2014	95,701	$39,259	$391.09	$318.29 - $435.23
Q3 2014	78,228	$28,235	$333.32	$283.49 - $367.27
Q2 2014	37,143	$10,466	$294.74	$268.01 - $318.24
Q1 2014	37,422	$11,183	$306.39	$261.52 - $350.55
Q4 2013	36,314	$10,040	$286.03	$256.27 - $317.74
Q3 2013	295	$92	$261.58	$224.53 - $318.07
Q2 2013	312	$70	$231.58	$176.14 - $282.42