Western Digital Corporation (WDC) Insider Trading
Over the last 3 months, WDC insiders made 0 open-market buys and 57 sales, a net sale of -$15.1M (SEC Form 4). Over the last 6 months, 1052 institutions increased and 1104 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
57
Net (3m)
-$15.1M
Insider trades by month Buys Sells
May
Jun
Jul
Aug
Context3-month price -13.2%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 27, 2026 | Tregillis Cynthia Lofficer: Chief Legal Officer & Corp Sec | Tax | 771 | $450.75 |
| Aug 27, 2026 | Sennesael Krisofficer: Chief Financial Officer | Option | 19 | — |
| Aug 27, 2026 | Davis Brian Scottofficer: Chief Sales & Mrktng Officer | Grant | 3,619 | — |
| Aug 27, 2026 | Tan Irvingdirector, officer: Chief Executive Officer | Option | 32 | — |
| Aug 27, 2026 | Tan Irvingdirector, officer: Chief Executive Officer | Option | 42 | — |
| Aug 27, 2026 | Tregillis Cynthia Lofficer: Chief Legal Officer & Corp Sec | Sell | 1,007 | $478.36 |
| Aug 27, 2026 | Tregillis Cynthia Lofficer: Chief Legal Officer & Corp Sec | Option | 8 | — |
| Aug 27, 2026 | Davis Brian Scottofficer: Chief Sales & Mrktng Officer | Tax | 971 | $450.75 |
| Aug 27, 2026 | Tregillis Cynthia Lofficer: Chief Legal Officer & Corp Sec | Option | 9 | — |
| Aug 27, 2026 | Sennesael Krisofficer: Chief Financial Officer | Tax | 4,317 | $468.88 |
| Aug 27, 2026 | Gubbi Vidyadhara Kofficer: Chief of Global Operations | Grant | 5,171 | — |
| Aug 27, 2026 | Gubbi Vidyadhara Kofficer: Chief of Global Operations | Tax | 2,056 | $468.88 |
| Aug 27, 2026 | Davis Brian Scottofficer: Chief Sales & Mrktng Officer | Option | 7 | — |
| Aug 27, 2026 | Tan Irvingdirector, officer: Chief Executive Officer | Grant | 16,548 | — |
| Aug 27, 2026 | Davis Brian Scottofficer: Chief Sales & Mrktng Officer | Option | 8 | — |
| Aug 27, 2026 | Gubbi Vidyadhara Kofficer: Chief of Global Operations | Option | 9 | — |
| Aug 27, 2026 | Sennesael Krisofficer: Chief Financial Officer | Option | 20 | — |
| Aug 27, 2026 | Gubbi Vidyadhara Kofficer: Chief of Global Operations | Option | 9 | — |
| Aug 27, 2026 | Davis Brian Scottofficer: Chief Sales & Mrktng Officer | Option | 8 | — |
| Aug 27, 2026 | Feller Bradofficer: SVP & Chief Accounting Officer | Grant | 2,068 | — |
| Aug 27, 2026 | Tregillis Cynthia Lofficer: Chief Legal Officer & Corp Sec | Option | 7 | — |
| Aug 27, 2026 | Shihab Ahmed Mohammedofficer: Chief Product Officer | Grant | 6,722 | — |
| Aug 27, 2026 | Shihab Ahmed Mohammedofficer: Chief Product Officer | Option | 16 | — |
| Aug 27, 2026 | Shihab Ahmed Mohammedofficer: Chief Product Officer | Option | 15 | — |
| Aug 27, 2026 | Tan Irvingdirector, officer: Chief Executive Officer | Tax | 476 | $450.75 |
| Aug 27, 2026 | Tregillis Cynthia Lofficer: Chief Legal Officer & Corp Sec | Tax | 1,631 | $468.88 |
| Aug 27, 2026 | Tregillis Cynthia Lofficer: Chief Legal Officer & Corp Sec | Sell | 476 | $450.78 |
| Aug 27, 2026 | Tan Irvingdirector, officer: Chief Executive Officer | Tax | 3,314 | $468.88 |
| Aug 27, 2026 | Davis Brian Scottofficer: Chief Sales & Mrktng Officer | Tax | 1,644 | $468.88 |
| Aug 27, 2026 | Sennesael Krisofficer: Chief Financial Officer | Grant | 8,274 | — |
Source: WDC SEC Form 4 filings, latest Aug 27, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their WDC positions over the last 6 months (SEC Form 13F).
Increased
1052
New positions
899
Reduced
1104
Sold out
92
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 35.8M | May 13, 2026 |
| BlackRock, Inc. | Reduced | 33.0M | Aug 7, 2026 |
| FMR LLC | Reduced | 31.6M | May 15, 2026 |
| FMR LLC | Reduced | 26.0M | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 22.5M | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 22.0M | May 15, 2026 |
| JPMORGAN CHASE & CO | Increased | 17.5M | May 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 17.2M | May 8, 2026 |
| JPMORGAN CHASE & CO | Reduced | 17.0M | Aug 12, 2026 |
| Capital World Investors | Increased | 16.6M | Aug 12, 2026 |
| STATE STREET CORP | Increased | 16.3M | Aug 7, 2026 |
| STATE STREET CORP | Reduced | 15.5M | May 15, 2026 |
| Invesco Ltd. | Increased | 14.5M | Aug 14, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 13.1M | Aug 13, 2026 |
| JANE STREET GROUP, LLC | Increased | 12.8M | Aug 14, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.