REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

FACTORY MUTUAL INSURANCE CO's Holding History (CIK: 0000887818)

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

Q4 2025

Shares 24,800 Value ($000) $19,142 Avg Close $678.68 Range $540.32 - $792.77

Q3 2025

Shares 25,600 Value ($000) $14,394 Avg Close $564.28 Range $519.56 - $609.69

Q2 2025

Shares 25,600 Value ($000) $13,440 Avg Close $556.12 Range $475.17 - $638.52

Q1 2025

Shares 12,100 Value ($000) $7,674 Avg Close $684.44 Range $615.89 - $745.12

Q4 2024

Shares 3,900 Value ($000) $2,778 Avg Close $834.60 Range $689.18 - $1055.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	24,800	$19,142	$678.68	$540.32 - $792.77
Q3 2025	25,600	$14,394	$564.28	$519.56 - $609.69
Q2 2025	25,600	$13,440	$556.12	$475.17 - $638.52
Q1 2025	12,100	$7,674	$684.44	$615.89 - $745.12
Q4 2024	3,900	$2,778	$834.60	$689.18 - $1055.74