STX SEC Form 4 filings
Seagate Technology Holdings Plc Latest Insider Trading Activity
Over the past 40 days, Seagate Technology Holdings Plc (STX) has had 111 total open-market insider transactions represented in the displayed records. The latest displayed record by transaction date reports 15 sales by Mosley William D (Seagate Technology Holdings Plc CEO) totaling 10,642 shares at a weighted-average price of $935.82 per share, with the latest transaction dated October 1, 2026. This page shows up to the 10 most recent SEC Form 4 filing records on a 6-hour delay. Sign up for real-time updates and access to 20 years of historic insider trading data.
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| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. STX | 2026-10-02 | 2026-10-01 | Seagate Technology Holdings Plc | Mosley William D | CEO | Sell | 15 | 10,642 | $935.82 | $9,959,021.26 | 2.85% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction STX | 2026-10-02 | 2026-10-01 | Seagate Technology Holdings Plc | Mosley William D | CEO | Sell | 1 | 360 | $929.01 | $334,443.20 | 0.10% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. STX | 2026-10-02 | 2026-10-01 | Seagate Technology Holdings Plc | Mosley William D | CEO | Sell | 28 | 18,998 | $914.67 | $17,376,987.69 | 4.85% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. STX | 2026-09-22 | 2026-09-21 | Seagate Technology Holdings Plc | Morris John Christopher | EVP & CTO | Sell | 25 | 8,439 | $876.13 | $7,393,693.65 | 27.11% | View Filing |
| Explained M/S: sale activity tied to share conversions or derivative-related share movements. STX | 2026-09-22 | 2026-09-21 | Seagate Technology Holdings Plc | Morris John Christopher | EVP & CTO | Sell | 1 | 915 | $894.27 | $818,257.05 | 3.85% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. STX | 2026-09-15 | 2026-09-14 | Seagate Technology Holdings Plc | Romano Gianluca | EVP & CFO | Sell | 1 | 955 | $781.24 | $746,086.97 | 3.05% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. STX | 2026-09-15 | 2026-09-14 | Seagate Technology Holdings Plc | Mosley William D | CEO | Sell | 1 | 1,869.75 | $781.23 | $1,460,696.19 | 0.62% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction STX | 2026-09-15 | 2026-09-11 | Seagate Technology Holdings Plc | Romano Gianluca | EVP & CFO | Sell | 14 | 4,600 | $854.55 | $3,930,949.94 | 13.44% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. STX | 2026-09-15 | 2026-09-11 | Seagate Technology Holdings Plc | Romano Gianluca | EVP & CFO | Sell | 24 | 45,898 | $830.01 | $38,095,904.82 | 57.29% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction STX | 2026-09-11 | 2026-09-10 | Seagate Technology Holdings Plc | Teh Ban Seng | EVP & Chief Commercial Officer | Sell | 1 | 663 | $860.09 | $570,239.67 | 10.24% | View Filing |
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