REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

WESTPAC BANKING CORP's Holding History (CIK: 0000719245)

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

Q4 2025

Shares 6,888 Value ($000) $5,317 Avg Close $678.68 Range $540.32 - $792.77

Q3 2025

Shares 815 Value ($000) $458 Avg Close $564.28 Range $519.56 - $609.69

Q2 2025

Shares 815 Value ($000) $428 Avg Close $556.12 Range $475.17 - $638.52

Q1 2025

Shares 831 Value ($000) $527 Avg Close $684.44 Range $615.89 - $745.12

Q4 2024

Shares 989 Value ($000) $704 Avg Close $834.60 Range $689.18 - $1055.74

Q3 2024

Shares 989 Value ($000) $1,040 Avg Close $1106.73 Range $1002.85 - $1204.52

Q2 2024

Shares 923 Value ($000) $970 Avg Close $964.05 Range $870.40 - $1075.21

Q1 2024

Shares 843 Value ($000) $811 Avg Close $945.64 Range $866.58 - $992.82

Q4 2023

Shares 861 Value ($000) $756 Avg Close $818.96 Range $764.95 - $894.90

Q3 2023

Shares 698 Value ($000) $574 Avg Close $781.58 Range $684.72 - $842.83

Q2 2023

Shares 3,526 Value ($000) $2,534 Avg Close $766.75 Range $681.03 - $832.93

Q1 2023

Shares 15,774 Value ($000) $12,961 Avg Close $750.05 Range $664.32 - $830.39

Q4 2022

Shares 18,870 Value ($000) $13,615 Avg Close $733.79 Range $690.81 - $774.70

Q3 2022

Shares 9,224 Value ($000) $6,354,136 Avg Close $625.92 Range $560.71 - $750.51

Q2 2022

Shares 9,629 Value ($000) $5,691,991 Avg Close $646.43 Range $535.04 - $743.30

Q1 2022

Shares 15,862 Value ($000) $11,078,338 Avg Close $629.16 Range $589.59 - $706.29

Q4 2021

Shares 28,023 Value ($000) $17,697,086 Avg Close $611.44 Range $536.21 - $670.14

Q3 2021

Shares 23,060 Value ($000) $13,955,450 Avg Close $617.39 Range $551.89 - $682.83

Q2 2021

Shares 32,507 Value ($000) $18,156,460 Avg Close $503.83 Range $466.78 - $566.85

Q1 2021

Shares 24,894 Value ($000) $11,778,347 Avg Close $484.19 Range $438.57 - $555.83

Q4 2020

Shares 15,382 Value ($000) $7,431,197 Avg Close $536.82 Range $468.18 - $616.55

Q3 2020

Shares 14,443 Value ($000) $8,084,903 Avg Close $602.99 Range $537.02 - $660.97

Q2 2020

Shares 15,590 Value ($000) $9,722,704 Avg Close $564.49 Range $473.82 - $642.77

Q1 2020

Shares 20,066 Value ($000) $9,798,027 Avg Close $410.21 Range $326.32 - $515.14

Q4 2019

Shares 22,334 Value ($000) $8,385,970 Avg Close $334.59 Range $270.76 - $380.14

Q3 2019

Shares 7,438 Value ($000) $2,063,301 Avg Close $294.28 Range $269.87 - $318.99

Q2 2019

Shares 8,948 Value ($000) $2,800,724 Avg Close $331.08 Range $293.64 - $413.60

Q1 2019

Shares 5,565 Value ($000) $2,285,100 Avg Close $409.51 Range $363.99 - $439.56

Q4 2018

Shares 5,056 Value ($000) $1,888,416 Avg Close $364.00 Range $325.77 - $407.74

Q3 2018

Shares 5,056 Value ($000) $2,042,826 Avg Close $378.49 Range $340.69 - $414.19

Q2 2018

Shares 5,056 Value ($000) $1,744,270 Avg Close $311.03 Range $280.34 - $347.31

Q1 2018

Shares 22,948 Value ($000) $7,902,373 Avg Close $345.90 Range $311.80 - $394.59

Q4 2017

Shares 17,956 Value ($000) $6,750,738 Avg Close $402.77 Range $351.19 - $474.37

Q3 2017

Shares 16,956 Value ($000) $7,581,367 Avg Close $473.21 Range $424.12 - $523.22

Q2 2017

Shares 5,187 Value ($000) $2,547,543 Avg Close $435.19 Range $358.01 - $540.55

Q1 2017

Shares 5,971 Value ($000) $2,313,822 Avg Close $368.62 Range $338.21 - $399.00

Q4 2016

Shares 4,741 Value ($000) $1,680,021 Avg Close $378.17 Range $323.56 - $450.46

Q3 2016

Shares 4,741 Value ($000) $1,905,977 Avg Close $398.92 Range $346.51 - $441.54

Q2 2016

Shares 4,261 Value ($000) $1,488,069 Avg Close $383.00 Range $327.27 - $431.54

Q1 2016

Shares 3,260 Value ($000) $1,175,034 Avg Close $409.79 Range $347.04 - $529.97

Q4 2015

Shares 5,725 Value ($000) $3,107,931 Avg Close $538.82 Range $445.63 - $589.32

Q3 2015

Shares 3,252 Value ($000) $1,512,635 Avg Close $534.07 Range $433.12 - $602.59

Q2 2015

Shares 488 Value ($000) $248,943 Avg Close $485.93 Range $431.08 - $541.00

Q1 2015

Shares 4,715 Value ($000) $2,393,780 Avg Close $421.46 Range $390.83 - $492.77

Q4 2014

Shares 4,946 Value ($000) $2,029,096 Avg Close $391.09 Range $318.29 - $435.23

Q3 2014

Shares 5,318 Value ($000) $1,917,246 Avg Close $333.32 Range $283.49 - $367.27

Q2 2014

Shares 5,259 Value ($000) $1,485,509 Avg Close $294.74 Range $268.01 - $318.24

Q1 2014

Shares 5,259 Value ($000) $1,579,172 Avg Close $306.39 Range $261.52 - $350.55

Q4 2013

Shares 4,759 Value ($000) $1,309,867 Avg Close $286.03 Range $256.27 - $317.74

Q3 2013

Shares 4,790 Value ($000) $1,498,647 Avg Close $261.58 Range $224.53 - $318.07

Q2 2013

Shares 4,982 Value ($000) $1,038,814 Avg Close $231.58 Range $176.14 - $282.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,888	$5,317	$678.68	$540.32 - $792.77
Q3 2025	815	$458	$564.28	$519.56 - $609.69
Q2 2025	815	$428	$556.12	$475.17 - $638.52
Q1 2025	831	$527	$684.44	$615.89 - $745.12
Q4 2024	989	$704	$834.60	$689.18 - $1055.74
Q3 2024	989	$1,040	$1106.73	$1002.85 - $1204.52
Q2 2024	923	$970	$964.05	$870.40 - $1075.21
Q1 2024	843	$811	$945.64	$866.58 - $992.82
Q4 2023	861	$756	$818.96	$764.95 - $894.90
Q3 2023	698	$574	$781.58	$684.72 - $842.83
Q2 2023	3,526	$2,534	$766.75	$681.03 - $832.93
Q1 2023	15,774	$12,961	$750.05	$664.32 - $830.39
Q4 2022	18,870	$13,615	$733.79	$690.81 - $774.70
Q3 2022	9,224	$6,354,136	$625.92	$560.71 - $750.51
Q2 2022	9,629	$5,691,991	$646.43	$535.04 - $743.30
Q1 2022	15,862	$11,078,338	$629.16	$589.59 - $706.29
Q4 2021	28,023	$17,697,086	$611.44	$536.21 - $670.14
Q3 2021	23,060	$13,955,450	$617.39	$551.89 - $682.83
Q2 2021	32,507	$18,156,460	$503.83	$466.78 - $566.85
Q1 2021	24,894	$11,778,347	$484.19	$438.57 - $555.83
Q4 2020	15,382	$7,431,197	$536.82	$468.18 - $616.55
Q3 2020	14,443	$8,084,903	$602.99	$537.02 - $660.97
Q2 2020	15,590	$9,722,704	$564.49	$473.82 - $642.77
Q1 2020	20,066	$9,798,027	$410.21	$326.32 - $515.14
Q4 2019	22,334	$8,385,970	$334.59	$270.76 - $380.14
Q3 2019	7,438	$2,063,301	$294.28	$269.87 - $318.99
Q2 2019	8,948	$2,800,724	$331.08	$293.64 - $413.60
Q1 2019	5,565	$2,285,100	$409.51	$363.99 - $439.56
Q4 2018	5,056	$1,888,416	$364.00	$325.77 - $407.74
Q3 2018	5,056	$2,042,826	$378.49	$340.69 - $414.19
Q2 2018	5,056	$1,744,270	$311.03	$280.34 - $347.31
Q1 2018	22,948	$7,902,373	$345.90	$311.80 - $394.59
Q4 2017	17,956	$6,750,738	$402.77	$351.19 - $474.37
Q3 2017	16,956	$7,581,367	$473.21	$424.12 - $523.22
Q2 2017	5,187	$2,547,543	$435.19	$358.01 - $540.55
Q1 2017	5,971	$2,313,822	$368.62	$338.21 - $399.00
Q4 2016	4,741	$1,680,021	$378.17	$323.56 - $450.46
Q3 2016	4,741	$1,905,977	$398.92	$346.51 - $441.54
Q2 2016	4,261	$1,488,069	$383.00	$327.27 - $431.54
Q1 2016	3,260	$1,175,034	$409.79	$347.04 - $529.97
Q4 2015	5,725	$3,107,931	$538.82	$445.63 - $589.32
Q3 2015	3,252	$1,512,635	$534.07	$433.12 - $602.59
Q2 2015	488	$248,943	$485.93	$431.08 - $541.00
Q1 2015	4,715	$2,393,780	$421.46	$390.83 - $492.77
Q4 2014	4,946	$2,029,096	$391.09	$318.29 - $435.23
Q3 2014	5,318	$1,917,246	$333.32	$283.49 - $367.27
Q2 2014	5,259	$1,485,509	$294.74	$268.01 - $318.24
Q1 2014	5,259	$1,579,172	$306.39	$261.52 - $350.55
Q4 2013	4,759	$1,309,867	$286.03	$256.27 - $317.74
Q3 2013	4,790	$1,498,647	$261.58	$224.53 - $318.07
Q2 2013	4,982	$1,038,814	$231.58	$176.14 - $282.42