Seagate Technology Holdings plc
STXLast close · Oct 16, 2026639.01−51.80 (−7.50%)
Market cap$145.3B
Between Oct 1, 2026 and Oct 1, 2026, Seagate Technology (STX) insiders filed 40 Form 4 transactions: 38 sales worth $23.7M in total and no open-market purchase; 38 of the sales were under 10b5-1 plans set in advance. The largest seller was Mosley William D, $1.6M. 2 other filings were grants, exercises or gifts, which say nothing about buying or selling.
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Form 4 transactions
| Date | Insider | Title | Code | Plan | Shares | Price | Value |
|---|---|---|---|---|---|---|---|
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 962 | 945.97 | $910,022.8 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 440 | 944.81 | $415,714.8 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 280 | 943.21 | $264,099.6 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 40 | 941.22 | $37,648.8 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 80 | 940.20 | $75,216 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 720 | 939.27 | $676,274.8 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 640 | 938.32 | $600,524.4 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 579 | 937.33 | $542,713.2 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 759 | 936.43 | $710,750.3 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 640 | 935.15 | $598,495.6 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 822 | 934.35 | $768,036.8 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 840 | 933.28 | $783,952 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 1,320 | 932.04 | $1.2M |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 1,665 | 930.99 | $1.6M |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 855 | 930.03 | $795,178.6 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 360 | 929.01 | $334,443.2 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 1,146 | 912.04 | $1.0M |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 840 | 910.69 | $764,982.4 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 307 | 909.84 | $279,322.2 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 1,027 | 908.58 | $933,109.7 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 560 | 907.43 | $508,162 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 601 | 906.42 | $544,760.3 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 480 | 905.38 | $434,583.1 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 480 | 904.33 | $434,079.6 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 696 | 903.36 | $628,740.8 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 384 | 902.55 | $346,578.5 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 440 | 901.49 | $396,654.8 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 517 | 900.46 | $465,538.8 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | M | 10b5-1 | 14,000 | 0.00 | $0 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | M | 10b5-1 | 14,000 | 46.23 | $647,220 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 360 | 898.10 | $323,314.4 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 640 | 927.90 | $593,853.6 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 480 | 926.78 | $444,852.4 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 1,080 | 925.88 | $999,953.2 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 640 | 924.72 | $591,820.7 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 760 | 923.78 | $702,074.4 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 800 | 922.66 | $738,126 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 930 | 921.64 | $857,120.6 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 630 | 920.62 | $579,988.1 |
| 2026-10-01 | MOSLEY WILLIAM D | CEO | S | 10b5-1 | 840 | 919.56 | $772,428.4 |
Codes are the SEC's: P open-market purchase, S open-market sale; M exercise, F tax withholding, A grant and G gift are routine. A 10b5-1 flag means the trade ran under a plan adopted in advance. Method notes in where the numbers come from.