GRAIL INC

Ticker: GRAL CUSIP: 384747101 Class: Common Stock

WELCH & FORBES LLC's Holding History (CIK: 0000105495)

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

Q4 2025

Shares 3,108 Value ($000) $266 Avg Close $86.40 Range $58.50 - $115.76

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,108	$266	$86.40	$58.50 - $115.76