| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Insider activity in STX over the last quarter tilts toward selling: insiders offloaded a net 466,958 shares worth roughly $378.8M. In the past 30 days, 0 insiders bought and 1 sold. Sales set the recent tone.
Not all activity pointed one way: 1 insider sold in the same window, though they still hold shares. Classified under Technology Hardware, Storage & Peripherals (Information Technology sector), STX's insider flows are most useful compared with peers in the same group.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| CEO | 385.4K | $351.00M | -30,000 | |
| CFO | 70.8K | $54.64M | - | |
| VP | 50.1K | $38.86M | - | |
| VP | 25.1K | - | - | |
| VP | 23.8K | $21.23M | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2026 | Mosley William D | CEO | Sell | 11,002 | $935.60 | $10,293,464.47 | -2.9% | - | - | |
| Oct 1, 2026 | Mosley William D | CEO | Sale+OE | 18,998 | $914.67 | $17,376,987.69 | -4.8% | - | - | |
| Sep 21, 2026 | Morris John Christopher | EVP &CTO | Sale+OE | 9,354 | $877.91 | $8,211,950.70 | -29.2% | - | - | |
| Sep 15, 2026 | Teh Ban Seng | EVP &Chief Commercial Officer | Sale+OE | 52,730 | $782.08 | $41,239,128.18 | -90.1% | - | - | |
| Sep 15, 2026 | Mosley William D | CEO | Sale+OE | 97,889 | $772.14 | $75,584,518.74 | -20.6% | - | - | |
| Sep 15, 2026 | Romano Gianluca48 | EVP &CFO | Sale+OE | 49,984 | $772.16 | $38,595,124.40 | -41.4% | - | - | |
| Sep 15, 2026 | Morris John Christopher | EVP &CTO | Sale+OE | 15,466 | $772.15 | $11,941,704.38 | -33.2% | - | - | |
| Sep 14, 2026 | Romano Gianluca48 | EVP &CFO | Sale+OE | 4,595 | $838.66 | $3,853,652.57 | -13.1% | - | - | |
| Sep 14, 2026 | Teh Ban Seng | EVP &Chief Commercial Officer | Sale+OE | 989 | $779.00 | $770,431.00 | -14.5% | - | - | |
| Sep 14, 2026 | Mosley William D | CEO | Sale+OE | 1,870 | $781.23 | $1,460,696.19 | -0.6% | - | - |