John Christopher Morris sold $8.2M of STX
EVP & CTO at Seagate Technology Holdings plc. 9,354 shares at an average of $877.91, traded Sep 21, 2026, filed Sep 22, 2026.
Score components
- +15RoleOfficer
- +25Trade size$8.2M at market
- +10Share of holdings soldSold 29% of holdings
- +15Cluster4 insiders selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001137789-26-000256, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Sep 21, 2026 | MOption exercise Ordinary Shares10b5-1 | +915 | $158.40 | $145k | 32,047 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Ordinary Shares10b5-1 | -40 | $863.66 | $35k | 32,007 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Ordinary Shares10b5-1 | -80 | $865.11 | $69k | 31,927 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Ordinary Shares10b5-1 | -40 | $865.80 | $35k | 31,887 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Ordinary Shares10b5-1 | -160 | $868.11 | $139k | 31,727 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Ordinary Shares10b5-1 | -80 | $869.21 | $70k | 31,647 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Ordinary Shares10b5-1 | -200 | $870.28 | $174k | 31,447 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Ordinary Shares10b5-1 | -520 | $871.56 | $453k | 30,927 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Ordinary Shares10b5-1 | -1,000 | $872.42 | $872k | 29,927 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Ordinary Shares10b5-1 | -1,040 | $873.49 | $908k | 28,887 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Ordinary Shares10b5-1 | -986 | $874.50 | $862k | 27,901 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Ordinary Shares10b5-1 | -974 | $875.35 | $853k | 26,927 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Ordinary Shares10b5-1 | -760 | $876.54 | $666k | 26,167 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Ordinary Shares10b5-1 | -418 | $877.36 | $367k | 25,749 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Ordinary Shares10b5-1 | -280 | $878.38 | $246k | 25,469 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Ordinary Shares10b5-1 | -200 | $879.71 | $176k | 25,269 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Ordinary Shares10b5-1 | -741 | $881.16 | $653k | 24,528 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Ordinary Shares10b5-1 | -200 | $881.90 | $176k | 24,328 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Ordinary Shares10b5-1 | -320 | $883.08 | $283k | 24,008 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Ordinary Shares10b5-1 | -40 | $886.27 | $35k | 23,968 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Ordinary Shares10b5-1 | -120 | $887.92 | $107k | 23,848 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Ordinary Shares10b5-1 | -40 | $890.54 | $36k | 23,808 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Ordinary Shares10b5-1 | -40 | $893.15 | $36k | 23,768 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Ordinary Shares10b5-1 | -915 | $894.27 | $818k | 22,853 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Ordinary Shares10b5-1 | -80 | $897.28 | $72k | 22,773 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Ordinary Shares10b5-1 | -40 | $899.53 | $36k | 22,733 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Ordinary Shares10b5-1 | -40 | $902.07 | $36k | 22,693 | 19 d ago |
| Sep 21, 2026 | MOption exercise NQ Stock Optionderivative10b5-1 | -915 | $0.00 | $0 | 17,378 | 19 d ago |
Related signals
Other insiders at Seagate Technology Holdings plc and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 23Weak | Seagate Technology Holdings plc | William D Mosley CEO | $17M 18,998 shares | -5% | |
| 38Weak | Seagate Technology Holdings plc | William D Mosley CEO | $10M 11,002 shares | -3% | |
| 55Moderate | Seagate Technology Holdings plc | William D Mosley CEO | $76M 97,889 shares | -21% | |
| 50Moderate | Seagate Technology Holdings plc | John Christopher Morris EVP & CTO | $12M 15,466 shares | -33% | |
| 57Moderate | Seagate Technology Holdings plc | Gianluca Romano EVP & CFO | $39M 49,984 shares | -41% | |
| 40Moderate | Seagate Technology Holdings plc | Ban Seng Teh EVP & Chief Commercial Officer | $41M 52,730 shares | -90% | |
| 50Moderate | Seagate Technology Holdings plc | William D Mosley CEO | $1.5M 1,870 shares | -1% | |
| 31Weak | Seagate Technology Holdings plc | John Christopher Morris EVP & CTO | $385k 493 shares | -3% | |
| 47Moderate | Seagate Technology Holdings plc | Gianluca Romano EVP & CFO | $38M 45,898 shares | -57% | |
| 32Weak | Seagate Technology Holdings plc | Gianluca Romano EVP & CFO | $4.7M 5,555 shares | -16% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.