Western Digital Business Unit Separation Timeline
Western Digital Corporation has transitioned into a pure-play hard disk drive (HDD) company after spinning off its NAND Flash business into the independent SanDisk Corporation. The process, initiated in October 2023, concluded its formal structural separation in February 2025, followed by a multibillion-dollar secondary share sale in early 2026 to reduce legacy debt.
Aggregated from 5 sources · Updated 25 Aug 2026, 03:11 UTC (UTC)
Coverage Balance
5 sourcesBlindspot Alert: Center Gap
This event is primarily covered by one side of the political spectrum. Niche or counter-narrative facts may be underrepresented.
Facts (10)
- Established
Western Digital announced its formal plan to separate its Flash and HDD business units into two independent, publicly traded companies in October 2023.
- Established
The formal spin-off of the Flash business was completed on February 21, 2025.
- Established
The newly independent Flash entity is named SanDisk Corporation and trades under the ticker symbol SNDK.
- EstablishedNiche Signal
The spin-off was executed through a pro rata distribution where WDC stockholders received one-third of a share of SanDisk for every share of WDC held.
- Established
On February 18, 2026, Western Digital announced the sale of 5.8 million shares of SanDisk for approximately $3.17 billion to reduce its corporate debt.
- EmergingNiche Signal
David Goeckeler, formerly CEO of Western Digital, was appointed as the Chairman and CEO of SanDisk Corporation.
- EmergingNiche Signal
Western Digital's total debt pile was reported at $4.69 billion as of January 2026.
- EmergingNiche Signal
Following the February 2026 share sale, Western Digital retained a residual stake in SanDisk of approximately 1.7 million shares worth roughly $1 billion.
- EmergingNiche Signal
Post-separation, the 'New Western Digital' (WDC) generates approximately 90% of its revenue from cloud and data center HDD sales.
- EmergingNiche Signal
SanDisk Corporation continues to operate a joint venture with Kioxia for NAND Flash manufacturing at facilities in Japan.