REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q4 2025

Shares 12,872 Value ($000) $9,936 Avg Close $678.68 Range $540.32 - $792.77

Q3 2025

Shares 5,498 Value ($000) $3,091 Avg Close $564.28 Range $519.56 - $609.69

Q2 2025

Shares 7,751 Value ($000) $4,069 Avg Close $556.12 Range $475.17 - $638.52

Q1 2025

Shares 2,952 Value ($000) $1,872 Avg Close $684.44 Range $615.89 - $745.12

Q3 2024

Shares 9,997 Value ($000) $10,509 Avg Close $1106.73 Range $1002.85 - $1204.52

Q2 2024

Shares 11,918 Value ($000) $12,526 Avg Close $964.05 Range $870.40 - $1075.21

Q1 2024

Shares 4,703 Value ($000) $4,527 Avg Close $945.64 Range $866.58 - $992.82

Q4 2023

Shares 1,618 Value ($000) $1,421 Avg Close $818.96 Range $764.95 - $894.90

Q2 2023

Shares 4,764 Value ($000) $3,423 Avg Close $766.75 Range $681.03 - $832.93

Q2 2022

Shares 14,485 Value ($000) $8,563 Avg Close $646.43 Range $535.04 - $743.30

Q1 2022

Shares 5,104 Value ($000) $3,565 Avg Close $629.16 Range $589.59 - $706.29

Q3 2021

Shares 1,372 Value ($000) $830 Avg Close $617.39 Range $551.89 - $682.83

Q2 2021

Shares 5,608 Value ($000) $3,132 Avg Close $503.83 Range $466.78 - $566.85

Q1 2021

Shares 3,389 Value ($000) $1,603 Avg Close $484.19 Range $438.57 - $555.83

Q4 2020

Shares 11,978 Value ($000) $5,787 Avg Close $536.82 Range $468.18 - $616.55

Q3 2020

Shares 1,483 Value ($000) $830 Avg Close $602.99 Range $537.02 - $660.97

Q1 2020

Shares 1,073 Value ($000) $524 Avg Close $410.21 Range $326.32 - $515.14

Q4 2019

Shares 4,177 Value ($000) $1,568 Avg Close $334.59 Range $270.76 - $380.14

Q4 2018

Shares 2,433 Value ($000) $909 Avg Close $364.00 Range $325.77 - $407.74

Q3 2018

Shares 5,130 Value ($000) $2,073 Avg Close $378.49 Range $340.69 - $414.19

Q2 2018

Shares 5,156 Value ($000) $1,779 Avg Close $311.03 Range $280.34 - $347.31

Q1 2018

Shares 7,051 Value ($000) $2,428 Avg Close $345.90 Range $311.80 - $394.59

Q4 2017

Shares 3,645 Value ($000) $1,370 Avg Close $402.77 Range $351.19 - $474.37

Q3 2017

Shares 2,837 Value ($000) $1,268 Avg Close $473.21 Range $424.12 - $523.22

Q1 2017

Shares 456 Value ($000) $177 Avg Close $368.62 Range $338.21 - $399.00

Q4 2016

Shares 550 Value ($000) $202 Avg Close $378.17 Range $323.56 - $450.46

Q3 2016

Shares 428 Value ($000) $172 Avg Close $398.92 Range $346.51 - $441.54

Q2 2016

Shares 807 Value ($000) $282 Avg Close $383.00 Range $327.27 - $431.54

Q1 2016

Shares 1,578 Value ($000) $569 Avg Close $409.79 Range $347.04 - $529.97

Q4 2015

Shares 1,923 Value ($000) $1,044 Avg Close $538.82 Range $445.63 - $589.32

Q2 2015

Shares 93 Value ($000) $47 Avg Close $485.93 Range $431.08 - $541.00

Q4 2014

Shares 1,680 Value ($000) $689 Avg Close $391.09 Range $318.29 - $435.23

Q4 2013

Shares 3,388 Value ($000) $933 Avg Close $286.03 Range $256.27 - $317.74

Q3 2013

Shares 308 Value ($000) $96 Avg Close $261.58 Range $224.53 - $318.07

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	12,872	$9,936	$678.68	$540.32 - $792.77
Q3 2025	5,498	$3,091	$564.28	$519.56 - $609.69
Q2 2025	7,751	$4,069	$556.12	$475.17 - $638.52
Q1 2025	2,952	$1,872	$684.44	$615.89 - $745.12
Q3 2024	9,997	$10,509	$1106.73	$1002.85 - $1204.52
Q2 2024	11,918	$12,526	$964.05	$870.40 - $1075.21
Q1 2024	4,703	$4,527	$945.64	$866.58 - $992.82
Q4 2023	1,618	$1,421	$818.96	$764.95 - $894.90
Q2 2023	4,764	$3,423	$766.75	$681.03 - $832.93
Q2 2022	14,485	$8,563	$646.43	$535.04 - $743.30
Q1 2022	5,104	$3,565	$629.16	$589.59 - $706.29
Q3 2021	1,372	$830	$617.39	$551.89 - $682.83
Q2 2021	5,608	$3,132	$503.83	$466.78 - $566.85
Q1 2021	3,389	$1,603	$484.19	$438.57 - $555.83
Q4 2020	11,978	$5,787	$536.82	$468.18 - $616.55
Q3 2020	1,483	$830	$602.99	$537.02 - $660.97
Q1 2020	1,073	$524	$410.21	$326.32 - $515.14
Q4 2019	4,177	$1,568	$334.59	$270.76 - $380.14
Q4 2018	2,433	$909	$364.00	$325.77 - $407.74
Q3 2018	5,130	$2,073	$378.49	$340.69 - $414.19
Q2 2018	5,156	$1,779	$311.03	$280.34 - $347.31
Q1 2018	7,051	$2,428	$345.90	$311.80 - $394.59
Q4 2017	3,645	$1,370	$402.77	$351.19 - $474.37
Q3 2017	2,837	$1,268	$473.21	$424.12 - $523.22
Q1 2017	456	$177	$368.62	$338.21 - $399.00
Q4 2016	550	$202	$378.17	$323.56 - $450.46
Q3 2016	428	$172	$398.92	$346.51 - $441.54
Q2 2016	807	$282	$383.00	$327.27 - $431.54
Q1 2016	1,578	$569	$409.79	$347.04 - $529.97
Q4 2015	1,923	$1,044	$538.82	$445.63 - $589.32
Q2 2015	93	$47	$485.93	$431.08 - $541.00
Q4 2014	1,680	$689	$391.09	$318.29 - $435.23
Q4 2013	3,388	$933	$286.03	$256.27 - $317.74
Q3 2013	308	$96	$261.58	$224.53 - $318.07