Senior insider sale
Chief Legal Officer & Corp Sec at WESTERN DIGITAL CORP — senior position signals high conviction
$1.04M
2K shares
What this filing means
TREGILLIS CYNTHIA L plans to sell 2K shares of WESTERN DIGITAL CORP valued at approximately $1.04M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 8/21/2026ACC: 0001950047-26-008514
Officer· Chief Legal Officer & Corp Sec
Since Mar 2026
2K
Shares to sell
$1.04M
Approx. market value
235.00
Acquired (3 months)
1
Planned
4 completed
Securities Acquired — Last 3 Months1
Restricted Stock
Not Applicable
8/20/2026
235.00Total acquired235.00
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
8/20/2026 | Restricted Stock Not Applicable | 235.00 | — |
| Total | 235.00 | ||
Planned & Completed Dispositions5
Completed
—Completed
Units to sell
808.00
Market value
$427.9K
7/21/2026
—Completed
Units to sell
432.00
Market value
$235.7K
6/5/2026
—Completed
Units to sell
214.00
Market value
$115.5K
5/27/2026
—Completed
Units to sell
308.00
Market value
$150.5K
5/22/2026
Planned — Approximate Date
NASDAQPlanned
Units to sell
235.00
Market value
$112.2K
8/21/2026
Total
Units
2K
Value
$1.04M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
7/21/2026 | 808.00 | $427.9K | — | Completed |
6/5/2026 | 432.00 | $235.7K | — | Completed |
5/27/2026 | 214.00 | $115.5K | — | Completed |
5/22/2026 | 308.00 | $150.5K | — | Completed |
| Planned — Approximate Date | ||||
8/21/2026 | 235.00 | $112.2K | NASDAQ | Planned |
| Total | 2K | $1.04M | ||