GRAIL INC

Ticker: GRAL CUSIP: 384747101 Class: Common Stock

Tidemark, LLC's Holding History (CIK: 0002009591)

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

Q4 2025

Shares 19 Value ($000) $2 Avg Close $86.40 Range $58.50 - $115.76

Q3 2025

Shares 19 Value ($000) $1 Avg Close $38.21 Range $29.95 - $59.70

Q2 2025

Shares 19 Value ($000) $1 Avg Close $36.20 Range $20.44 - $52.56

Q1 2025

Shares 19 Value ($000) $0 Avg Close $30.90 Range $16.56 - $63.99

Q3 2024

Shares 35 Value ($000) $0 Avg Close $15.16 Range $12.56 - $21.47

Q2 2024

Shares 81 Value ($000) $1 Avg Close $16.22 Range $12.51 - $23.36

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	19	$2	$86.40	$58.50 - $115.76
Q3 2025	19	$1	$38.21	$29.95 - $59.70
Q2 2025	19	$1	$36.20	$20.44 - $52.56
Q1 2025	19	$0	$30.90	$16.56 - $63.99
Q3 2024	35	$0	$15.16	$12.56 - $21.47
Q2 2024	81	$1	$16.22	$12.51 - $23.36