GRAIL INC

Ticker: GRAL CUSIP: 384747101 Class: Common Stock

Costello Asset Management, INC's Holding History (CIK: 0001760145)

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

Q4 2025
Shares 2 Value ($000) $0 Avg Close $86.40 Range $58.50 - $115.76
Q3 2025
Shares 2 Value ($000) $0 Avg Close $38.21 Range $29.95 - $59.70
Q2 2025
Shares 2 Value ($000) $0 Avg Close $36.20 Range $20.44 - $52.56
Q1 2025
Shares 2 Value ($000) $0 Avg Close $30.90 Range $16.56 - $63.99
Q4 2024
Shares 2 Value ($000) $0 Avg Close $16.26 Range $12.33 - $24.92
Q3 2024
Shares 2 Value ($000) $0 Avg Close $15.16 Range $12.56 - $21.47
Q2 2024
Shares 2 Value ($000) $0 Avg Close $16.22 Range $12.51 - $23.36