REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

Greenfield Seitz Capital Management, LLC's Holding History (CIK: 0002097528)

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

Q4 2025
Shares 2,963 Value ($000) $2,287 Avg Close $678.68 Range $540.32 - $792.77
Q3 2025
Shares 3,260 Value ($000) $1,833 Avg Close $564.28 Range $519.56 - $609.69
Q2 2025
Shares 3,214 Value ($000) $1,687 Avg Close $556.12 Range $475.17 - $638.52
Q1 2025
Shares 3,022 Value ($000) $1,917 Avg Close $684.44 Range $615.89 - $745.12
Q4 2024
Shares 2,724 Value ($000) $1,940 Avg Close $834.60 Range $689.18 - $1055.74
Q3 2024
Shares 2,351 Value ($000) $2,471 Avg Close $1106.73 Range $1002.85 - $1204.52
Q2 2024
Shares 2,375 Value ($000) $2,496 Avg Close $964.05 Range $870.40 - $1075.21
Q1 2024
Shares 2,369 Value ($000) $2,280 Avg Close $945.64 Range $866.58 - $992.82
Q4 2023
Shares 2,198 Value ($000) $1,930 Avg Close $818.96 Range $764.95 - $894.90