Tregillis Cynthia L's Form 4 filing
Western Digital Corp (WDC) · filed Aug 27, 2026
- Accession no.
- 0001266824-26-000188
- Filed
- Aug 27, 2026, 8:05 PM ET
- Trade date
- Aug 25-27, 2026
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Checked
This filing lists 7 non-derivative transactions and 2 derivative transactions. Open-market sales total $696.3K. It was filed 2 days after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Tregillis Cynthia LCIK 0002057088 | Officer (Chief Legal Officer & Corp Sec) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 25, 2026 | Common Stock | MOption exerciseAcquired | +7 | $0.00 | $0 | 112,153 | Direct | |
| Aug 25, 2026 | Common Stock | FTax withholdingDisposed | −771 | $450.75 | −$347,528.25 | 111,382 | Direct | |
| Aug 25, 2026 | Common Stock | AGrant or awardAcquired | +3,878 | $0.00 | $0 | 115,260 | Direct | |
| Aug 26, 2026 | Common Stock | SSaleDisposed | −476 | $450.78 | −$214,571.28 | 114,784 | Direct | |
| Aug 26, 2026 | Common Stock | MOption exerciseAcquired | +9 | $0.00 | $0 | 114,793 | Direct | |
| Aug 26, 2026 | Common Stock | FTax withholdingDisposed | −1,631 | $468.88 | −$764,743.28 | 113,162 | Direct | |
| Aug 27, 2026 | Common Stock | SSaleDisposed | −1,007 | $478.36 | −$481,708.52 | 112,155 | Direct |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 25, 2026 | Common Stock | MOption exerciseDisposed | −7.7788 | $0.00 | $0 | 287.0089 | Direct | |
| Aug 26, 2026 | Common Stock | MOption exerciseDisposed | −9.4687 | $0.00 | $0 | 277.5402 | Direct |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
No transaction price on this filing refers to a footnote.