REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

AMG National Trust Bank's Holding History (CIK: 0001388829)

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

Q4 2025

Shares 5,539 Value ($000) $4,275 Avg Close $678.68 Range $540.32 - $792.77

Q3 2025

Shares 5,788 Value ($000) $3,254 Avg Close $564.28 Range $519.56 - $609.69

Q2 2025

Shares 5,969 Value ($000) $3,134 Avg Close $556.12 Range $475.17 - $638.52

Q3 2024

Shares 220 Value ($000) $231 Avg Close $1106.73 Range $1002.85 - $1204.52

Q2 2024

Shares 192 Value ($000) $202 Avg Close $964.05 Range $870.40 - $1075.21

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	5,539	$4,275	$678.68	$540.32 - $792.77
Q3 2025	5,788	$3,254	$564.28	$519.56 - $609.69
Q2 2025	5,969	$3,134	$556.12	$475.17 - $638.52
Q3 2024	220	$231	$1106.73	$1002.85 - $1204.52
Q2 2024	192	$202	$964.05	$870.40 - $1075.21