Insider Trading
Current insider transactions (SEC Form 4) — buys and sells by officers, directors, and major shareholders.
| Ticker | Insider | Title | Date | Transaction | Price ($) | Shares | Value ($) | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|
| WDC | Cole Martin I | Director | 07/28/2026 | Verkauf | 462.30 | 160 | 73,968 | Form 4 |
| WDC | Cole Martin I | Director | 07/28/2026 | Verkauf | 461.23 | 199 | 91,786 | Form 4 |
| WDC | Cole Martin I | Director | 07/28/2026 | Verkauf | 459.97 | 248 | 114,073 | Form 4 |
| WDC | Cole Martin I | Director | 07/28/2026 | Verkauf | 458.96 | 529 | 242,788 | Form 4 |
| WDC | Cole Martin I | Director | 07/28/2026 | Verkauf | 457.45 | 328 | 150,043 | Form 4 |
| WDC | Cole Martin I | Director | 07/28/2026 | Verkauf | 456.52 | 312 | 142,433 | Form 4 |
| WDC | Cole Martin I | Director | 07/28/2026 | Verkauf | 455.55 | 304 | 138,486 | Form 4 |
| WDC | Cole Martin I | Director | 07/28/2026 | Verkauf | 454.44 | 128 | 58,169 | Form 4 |
| WDC | Cole Martin I | Director | 07/28/2026 | Verkauf | 453.27 | 144 | 65,271 | Form 4 |
| WDC | Cole Martin I | Director | 07/28/2026 | Verkauf | 452.12 | 106 | 47,925 | Form 4 |
| WDC | Cole Martin I | Director | 07/28/2026 | Verkauf | 451.30 | 70 | 31,591 | Form 4 |
| WDC | Cole Martin I | Director | 07/28/2026 | Verkauf | 449.42 | 39 | 17,527 | Form 4 |
| WDC | Cole Martin I | Director | 07/28/2026 | Verkauf | 448.46 | 41 | 18,387 | Form 4 |
| WDC | Cole Martin I | Director | 07/28/2026 | Verkauf | 440.96 | 96 | 42,332 | Form 4 |
| WDC | Cole Martin I | Director | 07/28/2026 | Verkauf | 438.08 | 118 | 51,694 | Form 4 |
| WDC | Cole Martin I | Director | 07/28/2026 | Verkauf | 436.89 | 154 | 67,282 | Form 4 |
| WDC | Cole Martin I | Director | 07/28/2026 | Verkauf | 433.84 | 112 | 48,590 | Form 4 |
| WDC | Cole Martin I | Director | 07/28/2026 | Verkauf | 432.20 | 38 | 16,424 | Form 4 |
| WDC | Cole Martin I | Director | 07/28/2026 | Verkauf | 430.45 | 103 | 44,336 | Form 4 |
| WDC | Cole Martin I | Director | 07/28/2026 | Verkauf | 429.12 | 93 | 39,908 | Form 4 |
| WDC | Cole Martin I | Director | 07/28/2026 | Verkauf | 431.41 | 115 | 49,612 | Form 4 |
| WDC | Cole Martin I | Director | 07/28/2026 | Verkauf | 465.12 | 32 | 14,884 | Form 4 |
| WDC | Cole Martin I | Director | 07/28/2026 | Verkauf | 439.38 | 64 | 28,120 | Form 4 |
| WDC | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | 07/21/2026 | Verkauf | 529.63 | 808 | 427,941 | Form 4 |
| WDC | Cynthia L Tregillis | Insider | 04/21/2026 | Verkauf | 377.09 | 363 | 136,884 | Form 4 |
A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).