MOSLEY WILLIAM D sold $4.2M of STX
MOSLEY WILLIAM D (CEO) sold 6,720 shares of Seagate Technology Holdings plc (STX) at an average of $622.82 ($617.67–$644.43, $4.19M total) across 14 trades on 2026-11-02 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The disclosure provides fresh, primary data but the transaction size is modest, limiting market impact.
Market read
Insider sale is a primary disclosure; likely modest negative sentiment but not a catalyst for major price movement.
What to watch
Potential upcoming product launches or earnings could offset any short-term pressure from the sale.
Background
Form 4 filing by Seagate Technology CEO discloses a multi-trade sale under a pre-arranged 10b5-1 plan.
Ticker impact
CEO William D. Mosley sold 6,720 shares for $4.2M via a 10b5-1 plan, reducing his stake to 346,108 shares.
likely pressure as the market prices in the insider sell
A $4.2M sale by the CEO is a primary filing but the amount is modest relative to market cap, suggesting limited impact.
Market effects
Minimal effect on the broader data storage sector; insider sales are routine.
U.S. market only; no regional ripple.
Low; does not affect global sentiment.
Counterpoint
The sale could be a routine liquidity event unrelated to fundamentals, so the stock may remain stable.
Key entities
- companySeagate Technology Holdings plc
Data storage hardware manufacturer listed on NYSE (STX).
- personWilliam D. Mosley
CEO of Seagate, insider selling shares.


