REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors's Holding History (CIK: 0001748861)

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

Q4 2025

Shares 1,817 Value ($000) $1,402 Avg Close $678.68 Range $540.32 - $792.77

Q3 2025

Shares 1,697 Value ($000) $954 Avg Close $564.28 Range $519.56 - $609.69

Q2 2025

Shares 1,583 Value ($000) $831 Avg Close $556.12 Range $475.17 - $638.52

Q1 2025

Shares 1,676 Value ($000) $1,068 Avg Close $684.44 Range $615.89 - $745.12

Q4 2024

Shares 1,284 Value ($000) $915 Avg Close $834.60 Range $689.18 - $1055.74

Q3 2024

Shares 1,829 Value ($000) $1,923 Avg Close $1106.73 Range $1002.85 - $1204.52

Q2 2024

Shares 1,684 Value ($000) $1,770 Avg Close $964.05 Range $870.40 - $1075.21

Q1 2024

Shares 1,208 Value ($000) $1,163 Avg Close $945.64 Range $866.58 - $992.82

Q4 2023

Shares 1,308 Value ($000) $1,149 Avg Close $818.96 Range $764.95 - $894.90

Q3 2023

Shares 1,293 Value ($000) $1,064 Avg Close $781.58 Range $684.72 - $842.83

Q2 2023

Shares 1,297 Value ($000) $932 Avg Close $766.75 Range $681.03 - $832.93

Q1 2023

Shares 1,304 Value ($000) $1,058 Avg Close $750.05 Range $664.32 - $830.39

Q4 2022

Shares 1,425 Value ($000) $1,028 Avg Close $733.79 Range $690.81 - $774.70

Q3 2022

Shares 2,227 Value ($000) $1,534 Avg Close $625.92 Range $560.71 - $750.51

Q2 2022

Shares 2,237 Value ($000) $1,301 Avg Close $646.43 Range $535.04 - $743.30

Q1 2022

Shares 2,679 Value ($000) $1,871 Avg Close $629.16 Range $589.59 - $706.29

Q4 2021

Shares 2,922 Value ($000) $1,845 Avg Close $611.44 Range $536.21 - $670.14

Q3 2021

Shares 2,807 Value ($000) $1,699 Avg Close $617.39 Range $551.89 - $682.83

Q2 2021

Shares 2,414 Value ($000) $1,348 Avg Close $503.83 Range $466.78 - $566.85

Q1 2021

Shares 2,417 Value ($000) $1,144 Avg Close $484.19 Range $438.57 - $555.83

Q4 2020

Shares 1,575 Value ($000) $761 Avg Close $536.82 Range $468.18 - $616.55

Q3 2020

Shares 1,126 Value ($000) $630 Avg Close $602.99 Range $537.02 - $660.97

Q4 2019

Shares 693 Value ($000) $249 Avg Close $334.59 Range $270.76 - $380.14

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,817	$1,402	$678.68	$540.32 - $792.77
Q3 2025	1,697	$954	$564.28	$519.56 - $609.69
Q2 2025	1,583	$831	$556.12	$475.17 - $638.52
Q1 2025	1,676	$1,068	$684.44	$615.89 - $745.12
Q4 2024	1,284	$915	$834.60	$689.18 - $1055.74
Q3 2024	1,829	$1,923	$1106.73	$1002.85 - $1204.52
Q2 2024	1,684	$1,770	$964.05	$870.40 - $1075.21
Q1 2024	1,208	$1,163	$945.64	$866.58 - $992.82
Q4 2023	1,308	$1,149	$818.96	$764.95 - $894.90
Q3 2023	1,293	$1,064	$781.58	$684.72 - $842.83
Q2 2023	1,297	$932	$766.75	$681.03 - $832.93
Q1 2023	1,304	$1,058	$750.05	$664.32 - $830.39
Q4 2022	1,425	$1,028	$733.79	$690.81 - $774.70
Q3 2022	2,227	$1,534	$625.92	$560.71 - $750.51
Q2 2022	2,237	$1,301	$646.43	$535.04 - $743.30
Q1 2022	2,679	$1,871	$629.16	$589.59 - $706.29
Q4 2021	2,922	$1,845	$611.44	$536.21 - $670.14
Q3 2021	2,807	$1,699	$617.39	$551.89 - $682.83
Q2 2021	2,414	$1,348	$503.83	$466.78 - $566.85
Q1 2021	2,417	$1,144	$484.19	$438.57 - $555.83
Q4 2020	1,575	$761	$536.82	$468.18 - $616.55
Q3 2020	1,126	$630	$602.99	$537.02 - $660.97
Q4 2019	693	$249	$334.59	$270.76 - $380.14