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 |
|---|---|---|---|---|---|---|---|---|
| STX | Romano Gianluca | EVP & CFO | 09/15/2026 | Verkauf | 772.16 | 49,984 | 38,595,510 | Form 4 |
| STX | Mosley William D | CEO | 09/15/2026 | Verkauf | 772.14 | 97,889 | 75,584,326 | Form 4 |
| STX | Teh Ban Seng | EVP & Chief Commercial Officer | 09/15/2026 | Verkauf | 800.47 | 2,480 | 1,985,166 | Form 4 |
| STX | Teh Ban Seng | EVP & Chief Commercial Officer | 09/15/2026 | Verkauf | 799.03 | 400 | 319,611 | Form 4 |
| STX | Teh Ban Seng | EVP & Chief Commercial Officer | 09/15/2026 | Verkauf | 797.97 | 530 | 422,925 | Form 4 |
| STX | Teh Ban Seng | EVP & Chief Commercial Officer | 09/15/2026 | Verkauf | 796.90 | 1,587 | 1,264,673 | Form 4 |
| STX | Teh Ban Seng | EVP & Chief Commercial Officer | 09/15/2026 | Verkauf | 795.95 | 2,166 | 1,724,018 | Form 4 |
| STX | Teh Ban Seng | EVP & Chief Commercial Officer | 09/15/2026 | Verkauf | 794.72 | 1,280 | 1,017,238 | Form 4 |
| STX | Teh Ban Seng | EVP & Chief Commercial Officer | 09/15/2026 | Verkauf | 791.36 | 560 | 443,164 | Form 4 |
| STX | Teh Ban Seng | EVP & Chief Commercial Officer | 09/15/2026 | Verkauf | 788.43 | 280 | 220,760 | Form 4 |
| STX | Teh Ban Seng | EVP & Chief Commercial Officer | 09/15/2026 | Verkauf | 787.26 | 120 | 94,471 | Form 4 |
| STX | Teh Ban Seng | EVP & Chief Commercial Officer | 09/15/2026 | Verkauf | 786.14 | 1,040 | 817,588 | Form 4 |
| STX | Teh Ban Seng | EVP & Chief Commercial Officer | 09/15/2026 | Verkauf | 784.45 | 1,000 | 784,446 | Form 4 |
| STX | Teh Ban Seng | EVP & Chief Commercial Officer | 09/15/2026 | Verkauf | 789.84 | 1,760 | 1,390,119 | Form 4 |
| STX | Teh Ban Seng | EVP & Chief Commercial Officer | 09/15/2026 | Verkauf | 782.56 | 4,147 | 3,245,295 | Form 4 |
| STX | Teh Ban Seng | EVP & Chief Commercial Officer | 09/15/2026 | Verkauf | 781.35 | 1,600 | 1,250,157 | Form 4 |
| STX | Teh Ban Seng | EVP & Chief Commercial Officer | 09/15/2026 | Verkauf | 780.29 | 2,453 | 1,914,063 | Form 4 |
| STX | Teh Ban Seng | EVP & Chief Commercial Officer | 09/15/2026 | Verkauf | 779.27 | 6,682 | 5,207,051 | Form 4 |
| STX | Teh Ban Seng | EVP & Chief Commercial Officer | 09/15/2026 | Verkauf | 778.35 | 7,259 | 5,650,017 | Form 4 |
| STX | Teh Ban Seng | EVP & Chief Commercial Officer | 09/15/2026 | Verkauf | 777.22 | 3,987 | 3,098,765 | Form 4 |
| STX | Teh Ban Seng | EVP & Chief Commercial Officer | 09/15/2026 | Verkauf | 776.20 | 3,242 | 2,516,430 | Form 4 |
| STX | Teh Ban Seng | EVP & Chief Commercial Officer | 09/15/2026 | Verkauf | 775.01 | 2,315 | 1,794,159 | Form 4 |
| STX | Teh Ban Seng | EVP & Chief Commercial Officer | 09/15/2026 | Verkauf | 774.01 | 1,717 | 1,328,982 | Form 4 |
| STX | Teh Ban Seng | EVP & Chief Commercial Officer | 09/15/2026 | Verkauf | 772.65 | 3,451 | 2,666,428 | Form 4 |
| STX | Teh Ban Seng | EVP & Chief Commercial Officer | 09/15/2026 | Verkauf | 771.38 | 914 | 705,037 | Form 4 |
| STX | Morris John Christopher | EVP & CTO | 09/15/2026 | Verkauf | 772.15 | 15,466 | 11,942,090 | Form 4 |
| STX | Teh Ban Seng | EVP & Chief Commercial Officer | 09/14/2026 | Verkauf | 779.00 | 989 | 770,431 | Form 4 |
| STX | Morris John Christopher | EVP & CTO | 09/14/2026 | Verkauf | 781.23 | 493 | 385,148 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/14/2026 | Verkauf | 781.24 | 955 | 746,087 | Form 4 |
| STX | Mosley William D | CEO | 09/14/2026 | Verkauf | 781.23 | 1,870 | 1,460,892 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/11/2026 | Verkauf | 868.43 | 240 | 208,423 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/11/2026 | Verkauf | 854.41 | 680 | 581,002 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/11/2026 | Verkauf | 852.87 | 640 | 545,838 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/11/2026 | Verkauf | 849.87 | 80 | 67,990 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/11/2026 | Verkauf | 849.53 | 560 | 475,739 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/11/2026 | Verkauf | 843.55 | 360 | 303,676 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/11/2026 | Verkauf | 861.07 | 280 | 241,100 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/11/2026 | Verkauf | 864.41 | 320 | 276,612 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/11/2026 | Verkauf | 840.12 | 1,000 | 840,123 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/11/2026 | Verkauf | 846.94 | 200 | 169,388 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/11/2026 | Verkauf | 836.92 | 480 | 401,720 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/11/2026 | Verkauf | 834.80 | 1,440 | 1,202,116 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/11/2026 | Verkauf | 833.67 | 2,080 | 1,734,024 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/11/2026 | Verkauf | 832.68 | 4,220 | 3,513,915 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/11/2026 | Verkauf | 831.71 | 4,589 | 3,816,712 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/11/2026 | Verkauf | 830.74 | 7,568 | 6,287,072 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/11/2026 | Verkauf | 829.77 | 5,593 | 4,640,885 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/11/2026 | Verkauf | 828.84 | 3,321 | 2,752,581 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/11/2026 | Verkauf | 827.72 | 1,727 | 1,429,474 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/11/2026 | Verkauf | 826.72 | 1,840 | 1,521,162 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/11/2026 | Verkauf | 825.65 | 800 | 660,522 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/11/2026 | Verkauf | 824.60 | 1,400 | 1,154,433 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/11/2026 | Verkauf | 839.15 | 880 | 738,450 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/11/2026 | Verkauf | 822.50 | 1,690 | 1,390,022 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/11/2026 | Verkauf | 821.42 | 1,550 | 1,273,196 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/11/2026 | Verkauf | 835.67 | 1,320 | 1,103,089 | Form 4 |
| STX | Romano Gianluca | EVP & CFO | 09/11/2026 | Verkauf | 819.39 | 1,040 | 852,164 | Form 4 |
| STX | Teh Ban Seng | EVP & Chief Commercial Officer | 09/10/2026 | Verkauf | 860.09 | 663 | 570,240 | Form 4 |
| STX | Morris John Christopher | EVP & CTO | 09/10/2026 | Verkauf | 862.14 | 319 | 275,021 | Form 4 |
| STX | Morris John Christopher | EVP & CTO | 09/10/2026 | Verkauf | 862.13 | 253 | 218,118 | Form 4 |
A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).