WDC
WESTERN DIGITAL CORP
NASDAQ · Technology · Computer Hardware · US
$441.36
+4.13%0
Insider buys (3m)
39
Insider sells (3m)
-$14.7M
Net value (3m)
-40.6%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Sep 8, 2026 | Tregillis Cynthia L · officer: Chief Legal Officer & Corp Sec | M-Exempt | 7 | $0.00 |
| Sep 8, 2026 | Tregillis Cynthia L · officer: Chief Legal Officer & Corp Sec | Sale | 432 | $451 |
| Sep 8, 2026 | Davis Brian Scott · officer: Chief Sales & Mrktng Officer | F-InKind | 882 | $442 |
| Sep 8, 2026 | Davis Brian Scott · officer: Chief Sales & Mrktng Officer | M-Exempt | 7 | $0.00 |
| Sep 8, 2026 | Gubbi Vidyadhara K · officer: Chief of Global Operations | Sale | 1,795 | $460 |
| Sep 8, 2026 | Gubbi Vidyadhara K · officer: Chief of Global Operations | M-Exempt | 14 | $0.00 |
| Sep 8, 2026 | Davis Brian Scott · officer: Chief Sales & Mrktng Officer | M-Exempt | 7 | $0.00 |
| Sep 8, 2026 | Gubbi Vidyadhara K · officer: Chief of Global Operations | F-InKind | 1,764 | $442 |
| Sep 8, 2026 | Gubbi Vidyadhara K · officer: Chief of Global Operations | M-Exempt | 14 | $0.00 |
| Sep 8, 2026 | Tregillis Cynthia L · officer: Chief Legal Officer & Corp Sec | F-InKind | 700 | $442 |
| Sep 8, 2026 | Tregillis Cynthia L · officer: Chief Legal Officer & Corp Sec | M-Exempt | 7 | $0.00 |
| Sep 2, 2026 | STREETER STEPHANIE A · director | Sale | 2,000 | $447 |
| Sep 2, 2026 | STREETER STEPHANIE A · director | Sale | 1,600 | $455 |
| Aug 27, 2026 | Tan Irving · director, officer: Chief Executive Officer | F-InKind | 3,314 | $469 |
| Aug 27, 2026 | Shihab Ahmed Mohammed · officer: Chief Product Officer | M-Exempt | 16 | $0.00 |
| Aug 27, 2026 | Davis Brian Scott · officer: Chief Sales & Mrktng Officer | F-InKind | 1,644 | $469 |
| Aug 27, 2026 | Davis Brian Scott · officer: Chief Sales & Mrktng Officer | A-Award | 3,619 | $0.00 |
| Aug 27, 2026 | Gubbi Vidyadhara K · officer: Chief of Global Operations | M-Exempt | 9 | $0.00 |
| Aug 27, 2026 | Gubbi Vidyadhara K · officer: Chief of Global Operations | A-Award | 5,171 | $0.00 |
| Aug 27, 2026 | Shihab Ahmed Mohammed · officer: Chief Product Officer | M-Exempt | 15 | $0.00 |
| Aug 27, 2026 | Tregillis Cynthia L · officer: Chief Legal Officer & Corp Sec | M-Exempt | 9 | $0.00 |
| Aug 27, 2026 | Sennesael Kris · officer: Chief Financial Officer | M-Exempt | 19 | $0.00 |
| Aug 27, 2026 | Gubbi Vidyadhara K · officer: Chief of Global Operations | F-InKind | 2,056 | $469 |
| Aug 27, 2026 | Shihab Ahmed Mohammed · officer: Chief Product Officer | A-Award | 6,722 | $0.00 |
| Aug 27, 2026 | Tregillis Cynthia L · officer: Chief Legal Officer & Corp Sec | M-Exempt | 7 | $0.00 |
| Aug 27, 2026 | Tregillis Cynthia L · officer: Chief Legal Officer & Corp Sec | M-Exempt | 8 | $0.00 |
| Aug 27, 2026 | Tan Irving · director, officer: Chief Executive Officer | F-InKind | 476 | $451 |
| Aug 27, 2026 | Tan Irving · director, officer: Chief Executive Officer | M-Exempt | 32 | $0.00 |
| Aug 27, 2026 | Sennesael Kris · officer: Chief Financial Officer | M-Exempt | 20 | $0.00 |
| Aug 27, 2026 | Tan Irving · director, officer: Chief Executive Officer | M-Exempt | 42 | $0.00 |
Institutional positioning
13F filings over the trailing two quarters
New 896Increased 1049Reduced 1102Sold out 92
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 35,769,222 | May 13, 2026 |
| BlackRock, Inc. | Reduced | 32,953,613 | Aug 7, 2026 |
| FMR LLC | Reduced | 31,623,418 | May 15, 2026 |
| FMR LLC | Reduced | 25,983,645 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 22,510,811 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 22,034,861 | May 15, 2026 |
| JPMORGAN CHASE & CO | Increased | 17,512,148 | May 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 17,172,653 | May 8, 2026 |
| JPMORGAN CHASE & CO | Reduced | 17,007,789 | Aug 12, 2026 |
| Capital World Investors | Increased | 16,598,211 | Aug 12, 2026 |
| STATE STREET CORP | Increased | 16,276,615 | Aug 7, 2026 |
| STATE STREET CORP | Reduced | 15,465,766 | May 15, 2026 |
| Invesco Ltd. | Increased | 14,455,741 | Aug 14, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 13,109,474 | Aug 13, 2026 |
| JANE STREET GROUP, LLC | Increased | 12,777,946 | Aug 14, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Sep 8, 2026