Seagate Technology Holdings plc insider trading
STX$887.09+38.10 (+4.49%)
“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.”
Insider Trading vs Stock Price
Insider Trading vs Stock Price data
Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (+265.3%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Open market purchase
Open market sellNet dollar flow · Buy / Sell balance
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Insider activity
Fromto
| Company | Insider / role | Action | ΔOwn | Avg price | Amount | ||
|---|---|---|---|---|---|---|---|
| STX | William D. Mosley | Open market sell$910K | -0.3% | $945.97 | $910K | Oct 1, 2026 | Oct 2, 2026 |
| STX | William D. Mosley | Open market sell$416K | -0.1% | $944.81 | $416K | Oct 1, 2026 | Oct 2, 2026 |
| STX | William D. Mosley | Open market sell$264K | -0.1% | $943.21 | $264K | Oct 1, 2026 | Oct 2, 2026 |
| STX | William D. Mosley | Open market sell$37.6K | 0.0% | $941.22 | $37.6K | Oct 1, 2026 | Oct 2, 2026 |
| STX | William D. Mosley | Open market sell$75.2K | 0.0% | $940.20 | $75.2K | Oct 1, 2026 | Oct 2, 2026 |
| STX | William D. Mosley | Open market sell$676K | -0.2% | $939.27 | $676K | Oct 1, 2026 | Oct 2, 2026 |
| STX | William D. Mosley | Open market sell$601K | -0.2% | $938.32 | $601K | Oct 1, 2026 | Oct 2, 2026 |
| STX | William D. Mosley | Open market sell$543K | -0.2% | $937.33 | $543K | Oct 1, 2026 | Oct 2, 2026 |
| STX | William D. Mosley | Open market sell$711K | -0.2% | $936.43 | $711K | Oct 1, 2026 | Oct 2, 2026 |
| STX | William D. Mosley | Open market sell$598K | -0.2% | $935.15 | $598K | Oct 1, 2026 | Oct 2, 2026 |
| STX | William D. Mosley | Open market sell$768K | -0.2% | $934.35 | $768K | Oct 1, 2026 | Oct 2, 2026 |
| STX | William D. Mosley | Open market sell$784K | -0.2% | $933.28 | $784K | Oct 1, 2026 | Oct 2, 2026 |
| STX | William D. Mosley | Open market sell$1.23M | -0.4% | $932.04 | $1.23M | Oct 1, 2026 | Oct 2, 2026 |
| STX | William D. Mosley | Open market sell$1.55M | -0.5% | $930.99 | $1.55M | Oct 1, 2026 | Oct 2, 2026 |
| STX | William D. Mosley | Open market sell$795K | -0.2% | $930.03 | $795K | Oct 1, 2026 | Oct 2, 2026 |
| STX | William D. Mosley | Open market sell$334K | -0.1% | $929.01 | $334K | Oct 1, 2026 | Oct 2, 2026 |
| STX | Gianluca Romano | Open market sell$38.6M | -41.4% | $772.16 | $38.6M | Sep 15, 2026 | Sep 16, 2026 |
| STX | William D. Mosley | Open market sell$75.6M | -20.6% | $772.14 | $75.6M | Sep 15, 2026 | Sep 16, 2026 |
| STX | Ban Seng Teh | Open market sell$1.99M | -29.9% | $800.47 | $1.99M | Sep 15, 2026 | Sep 16, 2026 |
| STX | Ban Seng Teh | Open market sell$320K | -4.6% | $799.03 | $320K | Sep 15, 2026 | Sep 16, 2026 |
| STX | Ban Seng Teh | Open market sell$423K | -5.8% | $797.97 | $423K | Sep 15, 2026 | Sep 16, 2026 |
| STX | Ban Seng Teh | Open market sell$1.26M | -14.7% | $796.90 | $1.26M | Sep 15, 2026 | Sep 16, 2026 |
| STX | Ban Seng Teh | Open market sell$1.72M | -16.7% | $795.95 | $1.72M | Sep 15, 2026 | Sep 16, 2026 |
| STX | Ban Seng Teh | Open market sell$1.02M | -9.0% | $794.72 | $1.02M | Sep 15, 2026 | Sep 16, 2026 |
| STX | Ban Seng Teh | Open market sell$443K | -3.8% | $791.36 | $443K | Sep 15, 2026 | Sep 16, 2026 |
| STX | Ban Seng Teh | Open market sell$1.39M | -10.6% | $789.84 | $1.39M | Sep 15, 2026 | Sep 16, 2026 |
| STX | Ban Seng Teh | Open market sell$221K | -1.7% | $788.43 | $221K | Sep 15, 2026 | Sep 16, 2026 |
| STX | Ban Seng Teh | Open market sell$94.5K | -0.7% | $787.26 | $94.5K | Sep 15, 2026 | Sep 16, 2026 |
| STX | Ban Seng Teh | Open market sell$818K | -5.8% | $786.14 | $818K | Sep 15, 2026 | Sep 16, 2026 |
| STX | Ban Seng Teh | Open market sell$784K | -5.3% | $784.45 | $784K | Sep 15, 2026 | Sep 16, 2026 |
| STX | Ban Seng Teh | Open market sell$1.38M | -8.5% | $783.28 | $1.38M | Sep 15, 2026 | Sep 16, 2026 |
| STX | Ban Seng Teh | Open market sell$3.25M | -16.6% | $782.56 | $3.25M | Sep 15, 2026 | Sep 16, 2026 |
| STX | Ban Seng Teh | Open market sell$1.25M | -6.0% | $781.35 | $1.25M | Sep 15, 2026 | Sep 16, 2026 |
| STX | Ban Seng Teh | Open market sell$1.91M | -8.5% | $780.29 | $1.91M | Sep 15, 2026 | Sep 16, 2026 |
| STX | Ban Seng Teh | Open market sell$5.21M | -18.7% | $779.27 | $5.21M | Sep 15, 2026 | Sep 16, 2026 |
| STX | Ban Seng Teh | Open market sell$5.65M | -16.9% | $778.35 | $5.65M | Sep 15, 2026 | Sep 16, 2026 |
| STX | Ban Seng Teh | Open market sell$3.1M | -8.5% | $777.22 | $3.1M | Sep 15, 2026 | Sep 16, 2026 |
| STX | Ban Seng Teh | Open market sell$2.52M | -6.5% | $776.20 | $2.52M | Sep 15, 2026 | Sep 16, 2026 |
| STX | Ban Seng Teh | Open market sell$1.79M | -4.4% | $775.01 | $1.79M | Sep 15, 2026 | Sep 16, 2026 |
| STX | Ban Seng Teh | Open market sell$1.33M | -3.2% | $774.01 | $1.33M | Sep 15, 2026 | Sep 16, 2026 |
| STX | Ban Seng Teh | Open market sell$2.67M | -6.0% | $772.65 | $2.67M | Sep 15, 2026 | Sep 16, 2026 |
| STX | Ban Seng Teh | Open market sell$705K | -1.6% | $771.38 | $705K | Sep 15, 2026 | Sep 16, 2026 |
| STX | John Christopher Morris | Open market sell$11.9M | -33.2% | $772.15 | $11.9M | Sep 15, 2026 | Sep 16, 2026 |
| STX | Ban Seng Teh | Open market sell$770K | -14.6% | $779.00 | $770K | Sep 14, 2026 | Sep 15, 2026 |
| STX | John Christopher Morris | Open market sell$385K | -2.9% | $781.23 | $385K | Sep 14, 2026 | Sep 15, 2026 |
| STX | Gianluca Romano | Open market sell$746K | -3.1% | $781.24 | $746K | Sep 14, 2026 | Sep 15, 2026 |
| STX | William D. Mosley | Open market sell$1.46M | -0.6% | $781.23 | $1.46M | Sep 14, 2026 | Sep 15, 2026 |
| STX | Ban Seng Teh | Open market sell$570K | -10.2% | $860.09 | $570K | Sep 10, 2026 | Sep 11, 2026 |
| STX | John Christopher Morris | Open market sell$275K | -2.0% | $862.14 | $275K | Sep 10, 2026 | Sep 11, 2026 |
| STX | John Christopher Morris | Open market sell$218K | -1.6% | $862.13 | $218K | Sep 10, 2026 | Sep 11, 2026 |