Senior insider sale
Chief Legal Officer & Corp Sec at WESTERN DIGITAL CORP — senior position signals high conviction
$2.39M
10.03K shares
What this filing means
TREGILLIS CYNTHIA L plans to sell 10.03K shares of WESTERN DIGITAL CORP valued at approximately $2.39M. 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: 2/6/2026ACC: 0001950047-26-000979
Officer· Chief Legal Officer & Corp Sec
Since Mar 2026
10.03K
Shares to sell
$2.39M
Approx. market value
6.78K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months4
Restricted Stock
Not Applicable
1/20/2025
5.70KRestricted Stock
Not Applicable
11/27/2024
101.00Restricted Stock
Not Applicable
11/25/2024
654.00Restricted Stock
Not Applicable
11/20/2024
322.00Total acquired6.78K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
1/20/2025 | Restricted Stock Not Applicable | 5.70K | — |
11/27/2024 | Restricted Stock Not Applicable | 101.00 | — |
11/25/2024 | Restricted Stock Not Applicable | 654.00 | — |
11/20/2024 | Restricted Stock Not Applicable | 322.00 | — |
| Total | 6.78K | ||
Planned & Completed Dispositions3
Completed
—Completed
Units to sell
447.00
Market value
$102.4K
1/21/2026
—Completed
Units to sell
2.80K
Market value
$449.8K
12/2/2025
Planned — Approximate Date
NASDAQPlanned
Units to sell
6.78K
Market value
$1.83M
2/6/2026
Total
Units
10.03K
Value
$2.39M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
1/21/2026 | 447.00 | $102.4K | — | Completed |
12/2/2025 | 2.80K | $449.8K | — | Completed |
| Planned — Approximate Date | ||||
2/6/2026 | 6.78K | $1.83M | NASDAQ | Planned |
| Total | 10.03K | $2.39M | ||