REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

Chicago Partners Investment Group LLC's Holding History (CIK: 0001563525)

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

Q4 2025

Shares 1,345 Value ($000) $1,014 Avg Close $678.68 Range $540.32 - $792.77

Q3 2025

Shares 945 Value ($000) $618 Avg Close $564.28 Range $519.56 - $609.69

Q3 2021

Shares 362 Value ($000) $227 Avg Close $617.39 Range $551.89 - $682.83

Q2 2020

Shares 433 Value ($000) $276 Avg Close $564.49 Range $473.82 - $642.77

Q1 2015

Shares 18 Value ($000) $7 Avg Close $421.46 Range $390.83 - $492.77

Q4 2014

Shares 16 Value ($000) $7 Avg Close $391.09 Range $318.29 - $435.23

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,345	$1,014	$678.68	$540.32 - $792.77
Q3 2025	945	$618	$564.28	$519.56 - $609.69
Q3 2021	362	$227	$617.39	$551.89 - $682.83
Q2 2020	433	$276	$564.49	$473.82 - $642.77
Q1 2015	18	$7	$421.46	$390.83 - $492.77
Q4 2014	16	$7	$391.09	$318.29 - $435.23