REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

Colonial River Wealth Management, LLC's Holding History (CIK: 0001845859)

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

Q4 2025

Shares 492 Value ($000) $380 Avg Close $678.68 Range $540.32 - $792.77

Q3 2025

Shares 484 Value ($000) $272 Avg Close $564.28 Range $519.56 - $609.69

Q2 2025

Shares 448 Value ($000) $251 Avg Close $556.12 Range $475.17 - $638.52

Q1 2023

Shares 329 Value ($000) $270 Avg Close $750.05 Range $664.32 - $830.39

Q4 2022

Shares 341 Value ($000) $246 Avg Close $733.79 Range $690.81 - $774.70

Q3 2022

Shares 326 Value ($000) $225 Avg Close $625.92 Range $560.71 - $750.51

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	492	$380	$678.68	$540.32 - $792.77
Q3 2025	484	$272	$564.28	$519.56 - $609.69
Q2 2025	448	$251	$556.12	$475.17 - $638.52
Q1 2023	329	$270	$750.05	$664.32 - $830.39
Q4 2022	341	$246	$733.79	$690.81 - $774.70
Q3 2022	326	$225	$625.92	$560.71 - $750.51