REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

Tamar Securities, LLC's Holding History (CIK: 0001703081)

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

Q4 2025

Shares 40,456 Value ($000) $31,227 Avg Close $678.68 Range $540.32 - $792.77

Q3 2025

Shares 32,266 Value ($000) $18,142 Avg Close $564.28 Range $519.56 - $609.69

Q2 2025

Shares 30,381 Value ($000) $15,950 Avg Close $556.12 Range $475.17 - $638.52

Q1 2025

Shares 28,134 Value ($000) $17,844 Avg Close $684.44 Range $615.89 - $745.12

Q4 2024

Shares 20,401 Value ($000) $14,532 Avg Close $834.60 Range $689.18 - $1055.74

Q3 2024

Shares 15,492 Value ($000) $16,286 Avg Close $1106.73 Range $1002.85 - $1204.52

Q2 2024

Shares 13,281 Value ($000) $13,959 Avg Close $964.05 Range $870.40 - $1075.21

Q1 2024

Shares 14,012 Value ($000) $13,486 Avg Close $945.64 Range $866.58 - $992.82

Q4 2023

Shares 14,228 Value ($000) $12,496 Avg Close $818.96 Range $764.95 - $894.90

Q3 2023

Shares 12,874 Value ($000) $10,595 Avg Close $781.58 Range $684.72 - $842.83

Q2 2023

Shares 13,040 Value ($000) $9,370 Avg Close $766.75 Range $681.03 - $832.93

Q1 2023

Shares 11,470 Value ($000) $9,425 Avg Close $750.05 Range $664.32 - $830.39

Q4 2022

Shares 12,650 Value ($000) $9,127 Avg Close $733.79 Range $690.81 - $774.70

Q3 2022

Shares 12,766 Value ($000) $8,794 Avg Close $625.92 Range $560.71 - $750.51

Q2 2022

Shares 12,280 Value ($000) $7,259 Avg Close $646.43 Range $535.04 - $743.30

Q1 2022

Shares 11,961 Value ($000) $8,354 Avg Close $629.16 Range $589.59 - $706.29

Q4 2021

Shares 10,603 Value ($000) $6,696 Avg Close $611.44 Range $536.21 - $670.14

Q3 2021

Shares 10,755 Value ($000) $6,509 Avg Close $617.39 Range $551.89 - $682.83

Q2 2021

Shares 10,831 Value ($000) $6,050 Avg Close $503.83 Range $466.78 - $566.85

Q1 2021

Shares 10,142 Value ($000) $4,799 Avg Close $484.19 Range $438.57 - $555.83

Q4 2020

Shares 8,238 Value ($000) $3,980 Avg Close $536.82 Range $468.18 - $616.55

Q3 2020

Shares 7,571 Value ($000) $4,238 Avg Close $602.99 Range $537.02 - $660.97

Q2 2020

Shares 7,099 Value ($000) $4,427 Avg Close $564.49 Range $473.82 - $642.77

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	40,456	$31,227	$678.68	$540.32 - $792.77
Q3 2025	32,266	$18,142	$564.28	$519.56 - $609.69
Q2 2025	30,381	$15,950	$556.12	$475.17 - $638.52
Q1 2025	28,134	$17,844	$684.44	$615.89 - $745.12
Q4 2024	20,401	$14,532	$834.60	$689.18 - $1055.74
Q3 2024	15,492	$16,286	$1106.73	$1002.85 - $1204.52
Q2 2024	13,281	$13,959	$964.05	$870.40 - $1075.21
Q1 2024	14,012	$13,486	$945.64	$866.58 - $992.82
Q4 2023	14,228	$12,496	$818.96	$764.95 - $894.90
Q3 2023	12,874	$10,595	$781.58	$684.72 - $842.83
Q2 2023	13,040	$9,370	$766.75	$681.03 - $832.93
Q1 2023	11,470	$9,425	$750.05	$664.32 - $830.39
Q4 2022	12,650	$9,127	$733.79	$690.81 - $774.70
Q3 2022	12,766	$8,794	$625.92	$560.71 - $750.51
Q2 2022	12,280	$7,259	$646.43	$535.04 - $743.30
Q1 2022	11,961	$8,354	$629.16	$589.59 - $706.29
Q4 2021	10,603	$6,696	$611.44	$536.21 - $670.14
Q3 2021	10,755	$6,509	$617.39	$551.89 - $682.83
Q2 2021	10,831	$6,050	$503.83	$466.78 - $566.85
Q1 2021	10,142	$4,799	$484.19	$438.57 - $555.83
Q4 2020	8,238	$3,980	$536.82	$468.18 - $616.55
Q3 2020	7,571	$4,238	$602.99	$537.02 - $660.97
Q2 2020	7,099	$4,427	$564.49	$473.82 - $642.77