REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

Penbrook Management LLC's Holding History (CIK: 0001381055)

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

Q4 2025
Shares 797 Value ($000) $615 Avg Close $678.68 Range $540.32 - $792.77
Q3 2025
Shares 797 Value ($000) $448 Avg Close $564.28 Range $519.56 - $609.69
Q2 2025
Shares 897 Value ($000) $569 Avg Close $556.12 Range $475.17 - $638.52
Q1 2025
Shares 897 Value ($000) $569 Avg Close $684.44 Range $615.89 - $745.12
Q4 2024
Shares 897 Value ($000) $639 Avg Close $834.60 Range $689.18 - $1055.74
Q3 2024
Shares 1,147 Value ($000) $1,206 Avg Close $1106.73 Range $1002.85 - $1204.52
Q2 2024
Shares 1,147 Value ($000) $1,206 Avg Close $964.05 Range $870.40 - $1075.21
Q1 2024
Shares 1,147 Value ($000) $1,104 Avg Close $945.64 Range $866.58 - $992.82
Q4 2023
Shares 1,147 Value ($000) $1,007 Avg Close $818.96 Range $764.95 - $894.90
Q3 2023
Shares 1,047 Value ($000) $862 Avg Close $781.58 Range $684.72 - $842.83
Q2 2023
Shares 1,022 Value ($000) $734 Avg Close $766.75 Range $681.03 - $832.93
Q1 2023
Shares 1,072 Value ($000) $881 Avg Close $750.05 Range $664.32 - $830.39
Q4 2022
Shares 1,072 Value ($000) $773 Avg Close $733.79 Range $690.81 - $774.70
Q3 2022
Shares 1,272 Value ($000) $876 Avg Close $625.92 Range $560.71 - $750.51
Q2 2022
Shares 1,272 Value ($000) $752 Avg Close $646.43 Range $535.04 - $743.30
Q1 2022
Shares 1,272 Value ($000) $888 Avg Close $629.16 Range $589.59 - $706.29
Q4 2021
Shares 1,272 Value ($000) $803 Avg Close $611.44 Range $536.21 - $670.14
Q3 2021
Shares 1,272 Value ($000) $770 Avg Close $617.39 Range $551.89 - $682.83
Q2 2021
Shares 1,272 Value ($000) $710 Avg Close $503.83 Range $466.78 - $566.85
Q1 2021
Shares 810 Value ($000) $383 Avg Close $484.19 Range $438.57 - $555.83