William D Mosley Net Worth
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William D Mosley has an estimated net worth of at least $154.3 million*, as of June 11, 2025. They own 518,710 shares of STX stock. They have sold 880,576 shares of STX stock since 2021, for an estimated $87.8 million.
William D Mosley $STX SEC Form 4 Insider Trading
William D Mosley has filed a total of 41 insider trades in $STX since 2021. Their most recent trade was a sale of 54,347 shares, made on Jun 09, 2025. Their largest trade was a sale of 153,188 shares, made on Dec 08, 2023. We estimate that they now own 518,710 shares of $STX, worth an estimated $66.4 million.
Insider Trading at $STX
There have been a total of 136 insider trades reported at $STX since 2021, with 321 shares purchased and 5.5 million shares sold. The most active insider traders in $STX stock have been William D Mosley, Gianluca Romano, and Ban Seng Teh. The most recent trade was a sale of 599 shares reported by Ban Seng Teh (EVP & Chief Commercial Officer), made on Jun 16, 2025.
History of Insider Stock Trades by William D Mosley
Company Ticker | Purchase / Sale | Shares | Date | Disclosed (EST) |
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Sale | 54,347 | Jun 09, 2025 | June 10, 2025, 5 p.m. |
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Sale | 2,699 | Jun 02, 2025 | June 4, 2025, 4:41 p.m. |
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Sale | 7,586 | Jun 02, 2025 | June 4, 2025, 4:41 p.m. |
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Sale | 9,715 | Jun 02, 2025 | June 4, 2025, 4:41 p.m. |
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Sale | 50,000 | Jun 03, 2025 | June 4, 2025, 4:41 p.m. |
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Sale | 13,200 | Apr 01, 2025 | April 2, 2025, 5:19 p.m. |
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Sale | 6,800 | Apr 01, 2025 | April 2, 2025, 5:19 p.m. |
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Sale | 7,385 | Feb 03, 2025 | Feb. 5, 2025, 5:12 p.m. |
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Sale | 3,417 | Feb 03, 2025 | Feb. 5, 2025, 5:12 p.m. |
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Sale | 9,198 | Feb 03, 2025 | Feb. 5, 2025, 5:12 p.m. |
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Sale | 12,204 | Jan 02, 2025 | Jan. 6, 2025, 5:35 p.m. |
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Sale | 7,796 | Jan 02, 2025 | Jan. 6, 2025, 5:35 p.m. |
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Sale | 1,042 | Dec 02, 2024 | Dec. 4, 2024, 5:15 p.m. |
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Sale | 12,852 | Dec 02, 2024 | Dec. 4, 2024, 5:15 p.m. |
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Sale | 1,300 | Dec 02, 2024 | Dec. 4, 2024, 5:15 p.m. |
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Sale | 4,806 | Dec 02, 2024 | Dec. 4, 2024, 5:15 p.m. |
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Sale | 6,800 | Nov 01, 2024 | Nov. 4, 2024, 6:17 p.m. |
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Sale | 13,100 | Nov 01, 2024 | Nov. 4, 2024, 6:17 p.m. |
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Sale | 100 | Nov 01, 2024 | Nov. 4, 2024, 6:17 p.m. |
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Sale | 100 | Oct 01, 2024 | Oct. 2, 2024, 4:41 p.m. |
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Sale | 12,829 | Oct 01, 2024 | Oct. 2, 2024, 4:41 p.m. |
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Sale | 7,071 | Oct 01, 2024 | Oct. 2, 2024, 4:41 p.m. |
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Sale | 141,785 | Sep 26, 2024 | Sept. 27, 2024, 4:23 p.m. |
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Sale | 1,700 | Sep 03, 2024 | Sept. 5, 2024, 4:18 p.m. |
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Sale | 13,654 | Sep 03, 2024 | Sept. 5, 2024, 4:18 p.m. |
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Sale | 4,646 | Sep 03, 2024 | Sept. 5, 2024, 4:18 p.m. |
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Sale | 766 | Aug 07, 2024 | Aug. 9, 2024, 4:16 p.m. |
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Sale | 6,426 | Aug 07, 2024 | Aug. 9, 2024, 4:16 p.m. |
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Sale | 4,591 | Aug 07, 2024 | Aug. 9, 2024, 4:16 p.m. |
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Sale | 8,217 | Aug 07, 2024 | Aug. 9, 2024, 4:16 p.m. |
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Sale | 1,000 | Mar 09, 2024 | March 12, 2024, 4:52 p.m. |
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Sale | 153,188 | Dec 08, 2023 | Dec. 12, 2023, 5:52 p.m. |
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Sale | 1,396 | Dec 09, 2023 | Dec. 12, 2023, 5:52 p.m. |
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Sale | 100,000 | Aug 31, 2023 | Sept. 5, 2023, 5:06 p.m. |
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Sale | 40,397 | Aug 31, 2023 | Sept. 5, 2023, 5:06 p.m. |
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Sale | 16,607 | Sep 01, 2023 | Sept. 5, 2023, 5:06 p.m. |
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Sale | 13,791 | Sep 01, 2023 | Sept. 5, 2023, 5:06 p.m. |
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Sale | 62,857 | Sep 01, 2023 | Sept. 5, 2023, 5:06 p.m. |
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Sale | 5,605 | Sep 01, 2023 | Sept. 5, 2023, 5:06 p.m. |
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Sale | 5,613 | Aug 31, 2023 | Sept. 5, 2023, 5:06 p.m. |
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Sale | 53,990 | Aug 31, 2023 | Sept. 5, 2023, 5:06 p.m. |
$STX Executives and Stock Owners with Insider Trades
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William D Mosley, Chief Executive Officer
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Gianluca Romano, EVP & CFO
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Ban Seng Teh, EVP & Chief Commercial Officer
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Jeffrey D. Nygaard, EVP, Operations and Technology
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John Christopher Morris, SVP & CTO
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Ban Seng Teh, EVP, Global Sales
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John Christopher Morris, SVP, HDD & SDD Products & CTO
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Katherine Schuelke, SVP, CLO & Corporate Secretary
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Ravi Naik, EVP & CIO
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Jeffrey D. Nygaard, Executive Vice President
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Kian Fatt Chong, SVP, Global Operations
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Jeffrey D. Fochtman, SVP, Business & Marketing
*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.