William D. Mosley serves as Executive at SEAGATE TECHNOLOGY, where they oversee executive responsibilities. Since joining the company, William D. Mosley has executed 299 insider transactions totaling $146.7M, demonstrating a bearish approach to their equity position. Their most recent transaction on Sep 11, 2025 involved selling 1,678 shares valued at $330.2K.
William D. Mosley currently holds 451,573 shares of SEAGATE TECHNOLOGY (STX), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, William D. Mosley has been a net seller of STX stock. They have purchased $0 and sold $146.7M worth of shares.
William D. Mosley's most recent insider trade was on Sep 11, 2025, when they sold 1,678 shares at $196.81 per share.
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| $N/A |
| Discretionary |
| Sep 9, 2025 | STX | $0 | Option Exercise | 4,550 | $N/A | Discretionary |
| Sep 9, 2025 | STX | $935.5K | Payment | 4,883 | $191.59 | Discretionary |
| Sep 9, 2025 | STX | $0 | Option Exercise | 9,662 | $N/A | Discretionary |
| Sep 9, 2025 | STX | $272.6K | Payment | 1,423 | $191.59 | Discretionary |
| Sep 9, 2025 | STX | $0 | Option Exercise | 2,815 | $N/A | Discretionary |
| Sep 9, 2025 | STX | $872.1K | Payment | 4,552 | $191.59 | Discretionary |
| Sep 9, 2025 | STX | $0 | Option Exercise | 9,007 | $N/A | Discretionary |
| Sep 9, 2025 | STX | $440.7K | Payment | 2,300 | $191.59 | Discretionary |
| Sep 2, 2025 | STX | $56.7K | Sale | 342 | $165.67 | Discretionary |
| Sep 2, 2025 | STX | $115.4K | Sale | 700 | $164.80 | Discretionary |
| Sep 2, 2025 | STX | $1.2M | Sale | 7,000 | $170.19 | Discretionary |
| Sep 2, 2025 | STX | $966.2K | Sale | 5,715 | $169.06 | Discretionary |
| Sep 2, 2025 | STX | $983.3K | Sale | 5,843 | $168.29 | Discretionary |
| Sep 2, 2025 | STX | $66.6K | Sale | 400 | $166.60 | Discretionary |
| Aug 1, 2025 | STX | $209.8K | Sale | 1,346 | $155.84 | Discretionary |
| Aug 1, 2025 | STX | $78.2K | Sale | 500 | $156.42 | Discretionary |
| Aug 1, 2025 | STX | $746.3K | Sale | 4,825 | $154.67 | Discretionary |
| Aug 1, 2025 | STX | $1.3M | Sale | 8,311 | $153.67 | Discretionary |
| Aug 1, 2025 | STX | $388.4K | Sale | 2,544 | $152.68 | Discretionary |
| Aug 1, 2025 | STX | $375.1K | Sale | 2,474 | $151.63 | Discretionary |
| Jul 26, 2025 | CRUS | $0 | Award | 1,624 | $N/A | Discretionary |
| Jul 1, 2025 | STX | $1.6M | Sale | 10,966 | $145.26 | Discretionary |
| Jul 1, 2025 | STX | $540.9K | Sale | 3,772 | $143.41 | Discretionary |
| Jul 1, 2025 | STX | $759.3K | Sale | 5,262 | $144.29 | Discretionary |
| Sep 26, 2024 | STX | $15.6M | Sale | 141,785 | $110.18 | Planned |
| Sep 26, 2024 | STX | $7.1M | Option Exercise | 141,785 | $50.29 | Planned |
| Sep 11, 2024 | STX | $0 | Option Exercise | 13,275 | $N/A | Discretionary |
| Sep 11, 2024 | STX | $687.8K | Payment | 6,708 | $102.53 | Discretionary |