Summary
Updated Aug 30, 2026
Tunc Doluca is Director of WESTERN DIGITAL CORP (WDC). 6 SEC Form 4 filings on record going back to 2024, most recently on 23 June 2026.
Recent Transactions
3Every recent SEC Form 4 transaction Tunc Doluca has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Tunc Doluca files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Irving Tan - $25.26M of WDC open-market activity in the last 12 months
- Matthew E. Massengill - $9.62M of WDC open-market activity in the last 12 months
- Vidyadhara K. Gubbi - $9.39M of WDC open-market activity in the last 12 months
- Brian Scott Davis - $7.80M of WDC open-market activity in the last 12 months
- Cynthia L. Tregillis - $7.30M of WDC open-market activity in the last 12 months
- Martin I. Cole - $4.69M of WDC open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Tunc Doluca?
Tunc Doluca is a corporate insider, tracked as Director of WESTERN DIGITAL CORP (WDC). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Tunc Doluca submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Tunc Doluca's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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