BEAM THERAPEUTICS INC

Ticker: BEAM CUSIP: 07373V105 Class: Common Stock

HEADINVEST, LLC's Holding History (CIK: 0001372130)

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

Q4 2025

Shares 20,060 Value ($000) $556 Avg Close $25.51 Range $20.23 - $31.54

Q3 2025

Shares 18,560 Value ($000) $450 Avg Close $19.89 Range $15.60 - $25.69

Q3 2023

Shares 160 Value ($000) $3 Avg Close $26.81 Range $22.52 - $33.16

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	20,060	$556	$25.51	$20.23 - $31.54
Q3 2025	18,560	$450	$19.89	$15.60 - $25.69
Q3 2023	160	$3	$26.81	$22.52 - $33.16