GRAIL INC

Ticker: GRAL CUSIP: 384747101 Class: Common Stock

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q4 2025

Shares 2,272 Value ($000) $194 Avg Close $86.40 Range $58.50 - $115.76

Q3 2025

Shares 2,570 Value ($000) $152 Avg Close $38.21 Range $29.95 - $59.70

Q2 2025

Shares 2,513 Value ($000) $129 Avg Close $36.20 Range $20.44 - $52.56

Q1 2025

Shares 1,138 Value ($000) $29 Avg Close $30.90 Range $16.56 - $63.99

Q4 2024

Shares 15,305 Value ($000) $273 Avg Close $16.26 Range $12.33 - $24.92

Q3 2024

Shares 3,213 Value ($000) $44 Avg Close $15.16 Range $12.56 - $21.47

Q2 2024

Shares 28,863 Value ($000) $444 Avg Close $16.22 Range $12.51 - $23.36

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,272	$194	$86.40	$58.50 - $115.76
Q3 2025	2,570	$152	$38.21	$29.95 - $59.70
Q2 2025	2,513	$129	$36.20	$20.44 - $52.56
Q1 2025	1,138	$29	$30.90	$16.56 - $63.99
Q4 2024	15,305	$273	$16.26	$12.33 - $24.92
Q3 2024	3,213	$44	$15.16	$12.56 - $21.47
Q2 2024	28,863	$444	$16.22	$12.51 - $23.36