SANDISK CORP

Ticker: SNDK CUSIP: 80004C200 Class: EQTY

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2025

Shares 33,387 Value ($000) $7,925 Avg Close $200.29 Range $112.00 - $284.76

Q3 2025

Shares 9,751 Value ($000) $1,094 Avg Close $58.39 Range $40.10 - $120.74

Q2 2025

Shares 46,985 Value ($000) $2,131 Avg Close $38.24 Range $27.89 - $49.82

Q1 2025

Shares 15,671 Value ($000) $746 Avg Close $49.67 Range $34.99 - $58.36

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	33,387	$7,925	$200.29	$112.00 - $284.76
Q3 2025	9,751	$1,094	$58.39	$40.10 - $120.74
Q2 2025	46,985	$2,131	$38.24	$27.89 - $49.82
Q1 2025	15,671	$746	$49.67	$34.99 - $58.36