WESTERN DIGITAL CORP

Ticker: WDC CUSIP: 958102105 Class: EQTY

SBI Securities Co., Ltd.'s Holding History (CIK: 0001851815)

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

Q4 2025

Shares 5,443 Value ($000) $938 Avg Close $151.55 Range $112.43 - $188.77

Q3 2025

Shares 2,288 Value ($000) $275 Avg Close $81.60 Range $62.82 - $122.49

Q2 2025

Shares 1,310 Value ($000) $84 Avg Close $47.46 Range $28.72 - $64.21

Q1 2025

Shares 1,251 Value ($000) $51 Avg Close $47.25 Range $38.95 - $54.41

Q4 2024

Shares 1,451 Value ($000) $87 Avg Close $50.08 Range $44.29 - $55.80

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	5,443	$938	$151.55	$112.43 - $188.77
Q3 2025	2,288	$275	$81.60	$62.82 - $122.49
Q2 2025	1,310	$84	$47.46	$28.72 - $64.21
Q1 2025	1,251	$51	$47.25	$38.95 - $54.41
Q4 2024	1,451	$87	$50.08	$44.29 - $55.80