---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-019294"
form_type: "8-K"
ticker: "WDC"
cik: "0000106040"
company_name: "WESTERN DIGITAL CORP"
filed_at: "2025-02-03T23:59:59+00:00"
generated_at: "2026-05-27T03:53:27.410398+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Western Digital spin-off of Sandisk cleared by SEC; distribution target Feb 21

## Summary
- SEC declared effective Sandisk's Form 10 on Jan 31; 80.1% of Sandisk shares to be distributed to WDC stockholders.
- Record date for distribution is Feb 12, 2025; effective at 11:59 p.m. PT on Feb 21, 2025.
- Sandisk shares to trade 'when-issued' under SNDK on Nasdaq starting Feb 13; regular-way trading begins Feb 24.
- Western Digital will continue trading under WDC on Nasdaq after spin-off.
- Information statement dated Jan 31 mailed to stockholders; conditions to completion apply.

## SEC filing metadata
- accession: 0001193125-25-019294
- form_type: 8-K
- ticker: WDC
- cik: 0000106040
- company_name: WESTERN DIGITAL CORP
- filed_at: 2025-02-03T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/106040/000119312525019294/0001193125-25-019294-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/106040/000119312525019294/d922460d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-019294
- JSON: https://secwatch.observer/filing/0001193125-25-019294.json
- Plain text: https://secwatch.observer/filing/0001193125-25-019294.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.