REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

BlackRock, Inc.'s Holding History (CIK: 0002012383)

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

Q4 2025

Shares 8,741,270 Value ($000) $6,747,124 Avg Close $678.68 Range $540.32 - $792.77

Q3 2025

Shares 8,837,174 Value ($000) $4,968,878 Avg Close $564.28 Range $519.56 - $609.69

Q2 2025

Shares 9,276,085 Value ($000) $4,869,944 Avg Close $556.12 Range $475.17 - $638.52

Q1 2025

Shares 8,925,880 Value ($000) $5,661,061 Avg Close $684.44 Range $615.89 - $745.12

Q4 2024

Shares 8,731,622 Value ($000) $6,219,796 Avg Close $834.60 Range $689.18 - $1055.74

Q3 2024

Shares 8,480,262 Value ($000) $8,914,790 Avg Close $1106.73 Range $1002.85 - $1204.52

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	8,741,270	$6,747,124	$678.68	$540.32 - $792.77
Q3 2025	8,837,174	$4,968,878	$564.28	$519.56 - $609.69
Q2 2025	9,276,085	$4,869,944	$556.12	$475.17 - $638.52
Q1 2025	8,925,880	$5,661,061	$684.44	$615.89 - $745.12
Q4 2024	8,731,622	$6,219,796	$834.60	$689.18 - $1055.74
Q3 2024	8,480,262	$8,914,790	$1106.73	$1002.85 - $1204.52