The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Mosley William D since 2015.
This trader's CIK number is 1388390.
At the time of last reporting, Mosley William D was the CEO of Seagate Technology Holdings Plc. (stock ticker symbol STX).
Also see all insider trading activities at Seagate Technology Holdings Plc.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | STX | 0 | $0 | 314,347 | $37,994,713 | 125,101 | $4,304,639 |
| 2024 | STX | 0 | $0 | 242,785 | $25,768,314 | 220,162 | $7,130,367 |
| 2023 | STX | 0 | $0 | 453,444 | $33,624,634 | 485,665 | $15,013,025 |
| 2022 | STX | 0 | $0 | 0 | $0 | 9,006 | $0 |
| 2021 | STX | 0 | $0 | 109,254 | $9,954,936 | 109,254 | $5,811,620 |
| 2019 | STX | 0 | $0 | 90,000 | $4,887,900 | 90,000 | $3,151,350 |
| 2017 | STX | 0 | $0 | 38,581 | $1,824,109 | 38,581 | $426,705 |
| 2015 | STX | 0 | $0 | 117,162 | $7,139,734 | 77,162 | $447,539 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-09-02 | STX | Sale | 20,000 | 167.44 | 3,348,700 |
| 2025-08-01 | STX | Sale | 20,000 | 154.15 | 3,083,039 |
| 2025-07-01 | STX | Sale | 20,000 | 144.32 | 2,886,420 |
| 2025-06-09 | STX | Option Ex | 57,161 | 27.39 | 1,565,639 |
| 2025-06-09 | STX | Sale | 54,347 | 130.19 | 7,075,435 |
| 2025-06-03 | STX | Sale | 50,000 | 120.27 | 6,013,550 |
| 2025-06-02 | STX | Sale | 20,000 | 118.69 | 2,373,780 |
| 2025-06-03 | STX | Option Ex | 50,000 | 54.78 | 2,739,000 |
| 2025-05-22 | STX | Sale | 70,000 | 108.58 | 7,600,950 |
| 2025-04-01 | STX | Sale | 20,000 | 84.45 | 1,689,100 |
| 2025-03-11 | STX | Option Ex | 3,318 | .00 | 0 |
| 2025-03-09 | STX | Option Ex | 2,814 | .00 | 0 |
| 2025-03-03 | STX | Sale | 20,000 | 101.83 | 2,036,639 |
| 2025-02-20 | STX | Option Ex | 11,808 | .00 | 0 |
| 2025-02-03 | STX | Sale | 20,000 | 94.36 | 1,887,100 |
| 2024-12-11 | STX | Option Ex | 3,318 | .00 | 0 |
| 2024-12-02 | STX | Sale | 20,000 | 102.94 | 2,058,740 |
| 2024-11-01 | STX | Sale | 20,000 | 100.11 | 2,002,100 |
| 2024-10-01 | STX | Sale | 20,000 | 107.94 | 2,158,900 |
| 2024-09-26 | STX | Sale | 141,785 | 110.18 | 15,621,304 |
| 2024-09-26 | STX | Option Ex | 141,785 | 50.29 | 7,130,367 |
| 2024-09-11 | STX | Option Ex | 13,275 | .00 | 0 |
| 2024-09-09 | STX | Option Ex | 56,156 | .00 | 0 |
| 2024-09-03 | STX | Sale | 20,000 | 97.76 | 1,955,140 |
| 2024-08-07 | STX | Sale | 20,000 | 93.97 | 1,879,440 |
| 2024-06-09 | STX | Option Ex | 2,814 | .00 | 0 |
| 2024-03-09 | STX | Sale | 1,000 | 92.69 | 92,690 |
| 2024-03-09 | STX | Option Ex | 2,814 | .00 | 0 |
| 2023-12-08 | STX | Sale | 153,188 | 80.21 | 12,287,209 |
| 2023-12-09 | STX | Sale | 1,396 | 80.59 | 112,503 |
| 2023-12-09 | STX | Option Ex | 2,814 | .00 | 0 |
| 2023-12-08 | STX | Option Ex | 153,188 | 30.95 | 4,741,168 |
| 2023-09-09 | STX | Option Ex | 30,803 | .00 | 0 |
| 2023-09-01 | STX | Option Ex | 98,860 | 36.09 | 3,567,857 |
| 2023-08-31 | STX | Option Ex | 200,000 | 33.52 | 6,704,000 |
| 2023-09-01 | STX | Sale | 98,860 | 72.79 | 7,195,722 |
| 2023-08-31 | STX | Sale | 200,000 | 70.15 | 14,029,200 |
| 2022-09-09 | STX | Option Ex | 9,006 | .00 | 0 |
| 2021-09-01 | STX | Option Ex | 31,500 | 60.83 | 1,916,145 |
| 2021-09-01 | STX | Sale | 31,500 | 86.92 | 2,738,043 |
| 2021-05-03 | STX | Option Ex | 77,754 | 50.10 | 3,895,475 |
| 2021-05-03 | STX | Sale | 77,754 | 92.82 | 7,216,893 |
| 2019-09-06 | STX | Option Ex | 90,000 | 35.02 | 3,151,350 |
| 2019-09-06 | STX | Sale | 90,000 | 54.31 | 4,887,900 |
| 2017-02-24 | STX | Sale | 38,581 | 47.28 | 1,824,109 |
| 2017-02-24 | STX | Option Ex | 38,581 | 11.06 | 426,705 |
| 2015-04-10 | STX | Option Ex | 38,581 | 7.55 | 291,479 |
| 2015-04-10 | STX | Sale | 58,581 | 55.51 | 3,251,714 |
| 2015-01-02 | STX | Option Ex | 38,581 | 4.04 | 156,060 |
| 2015-01-02 | STX | Sale | 58,581 | 66.37 | 3,888,020 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Mosley William D (CEO of Seagate Technology Holdings Plc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.