REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

Citizens Business Bank's Holding History (CIK: 0001948632)

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

Q4 2025

Shares 6,182 Value ($000) $4,772 Avg Close $678.68 Range $540.32 - $792.77

Q3 2025

Shares 6,119 Value ($000) $3,441 Avg Close $564.28 Range $519.56 - $609.69

Q2 2025

Shares 6,125 Value ($000) $3,216 Avg Close $556.12 Range $475.17 - $638.52

Q1 2025

Shares 6,011 Value ($000) $3,812 Avg Close $684.44 Range $615.89 - $745.12

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,182	$4,772	$678.68	$540.32 - $792.77
Q3 2025	6,119	$3,441	$564.28	$519.56 - $609.69
Q2 2025	6,125	$3,216	$556.12	$475.17 - $638.52
Q1 2025	6,011	$3,812	$684.44	$615.89 - $745.12