Tregillis Cynthia L
- Shares
- 112.16K
- % company
- 0.03%
- Price
- $478.36
- Value
- $53,650,466
Filed Aug 27, 2026
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NASDAQ · Technology · Holders
Western Digital Corporation (WDC) Insider Trading History
Recent Form 4 insider activity for WDC, with filters for buys, sales, option exercises, gifts, and tax withholding.
Section freshness
Price Sep 4, 12:55 PM EDT · Statements Apr 2, 8:00 PM EDT
Ownership read
WDC insider sentiment: Net selling.
32 sales and 0 purchases appear in the recent Form 4 filings. Use the filters below to separate open-market activity from option exercises, gifts, awards, and tax withholding.
Insider flow
WDC
Purchases0
Sales1.28M
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Insider stance
Net selling
$644.92M sold / — bought
Latest filing
Aug 27, 2026
Most recent holder or insider filing date
Filings shown
119
119 insider
- Latest filing
- Aug 27, 2026
- Most recent holder or insider filing date
- Insider rows
- 119
- Market data source
Recent insider transactions
Western Digital Corporation (WDC) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
Tregillis Cynthia L
- Shares
- 278
- % company
- <0.01%
Filed Aug 26, 2026
Tregillis Cynthia L
- Shares
- 113.16K
- % company
- 0.03%
- Price
- $468.88
- Value
- $53,059,399
Filed Aug 26, 2026
Tregillis Cynthia L
- Shares
- 114.79K
- % company
- 0.03%
Filed Aug 26, 2026
Tregillis Cynthia L
- Shares
- 114.78K
- % company
- 0.03%
- Price
- $450.78
- Value
- $51,742,332
Filed Aug 26, 2026
Tan Irving
- Shares
- 774
- % company
- <0.01%
Filed Aug 26, 2026
Tan Irving
- Shares
- 379.15K
- % company
- 0.11%
- Price
- $468.88
- Value
- $177,774,445
Filed Aug 26, 2026
Tan Irving
- Shares
- 382.46K
- % company
- 0.11%
Filed Aug 26, 2026
Shihab Ahmed Mohammed
- Shares
- 411
- % company
- <0.01%
Filed Aug 26, 2026
Shihab Ahmed Mohammed
- Shares
- 163.70K
- % company
- 0.05%
- Price
- $468.88
- Value
- $76,756,594
Filed Aug 26, 2026
Shihab Ahmed Mohammed
- Shares
- 166.44K
- % company
- 0.05%
Filed Aug 26, 2026
Sennesael Kris
- Shares
- 444
- % company
- <0.01%
Filed Aug 26, 2026
| # | Insider | % company | Action | Shares | Filing date |
|---|---|---|---|---|---|
| 1 | Tregillis Cynthia L | 0.03% | SaleOpen-market or direct sale reported on Form 4. | 112.16K | Aug 27, 2026 |
| 2 | Tregillis Cynthia L | <0.01% | Option exerciseDerivative exercise or conversion before any separate sale row. | 278 | Aug 26, 2026 |
| 3 | Tregillis Cynthia L | 0.03% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 113.16K | Aug 26, 2026 |
| 4 | Tregillis Cynthia L | 0.03% | Option exerciseDerivative exercise or conversion before any separate sale row. | 114.79K | Aug 26, 2026 |
| 5 | Tregillis Cynthia L | 0.03% | SaleOpen-market or direct sale reported on Form 4. | 114.78K | Aug 26, 2026 |
| 6 | Tan Irving | <0.01% | Option exerciseDerivative exercise or conversion before any separate sale row. | 774 | Aug 26, 2026 |
| 7 | Tan Irving | 0.11% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 379.15K | Aug 26, 2026 |
| 8 | Tan Irving | 0.11% | Option exerciseDerivative exercise or conversion before any separate sale row. | 382.46K | Aug 26, 2026 |
| 9 | Shihab Ahmed Mohammed | <0.01% | Option exerciseDerivative exercise or conversion before any separate sale row. | 411 | Aug 26, 2026 |
| 10 | Shihab Ahmed Mohammed | 0.05% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 163.70K | Aug 26, 2026 |
| 11 | Shihab Ahmed Mohammed | 0.05% | Option exerciseDerivative exercise or conversion before any separate sale row. | 166.44K | Aug 26, 2026 |
| 12 | Sennesael Kris | <0.01% | Option exerciseDerivative exercise or conversion before any separate sale row. | 444 | Aug 26, 2026 |
Showing 12 of 119 matching Form 4 rows. Percent of company uses current shares outstanding.
Frequently asked
Common questions.
Who is the most active reported WDC insider?
Tan Irving has the largest absolute share movement in the displayed WDC filing rows, totaling 5.38 million shares. The action labels provide the transaction context.