GRAIL INC

Ticker: GRAL CUSIP: 384747101 Class: Common Stock

BROWN BROTHERS HARRIMAN & CO's Holding History (CIK: 0000014661)

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

Q4 2025

Shares 1 Value ($000) $0 Avg Close $86.40 Range $58.50 - $115.76

Q3 2025

Shares 3 Value ($000) $0 Avg Close $38.21 Range $29.95 - $59.70

Q4 2024

Shares 3 Value ($000) $0 Avg Close $16.26 Range $12.33 - $24.92

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1	$0	$86.40	$58.50 - $115.76
Q3 2025	3	$0	$38.21	$29.95 - $59.70
Q4 2024	3	$0	$16.26	$12.33 - $24.92