MOSLEY WILLIAM D sold $14.6M of STX
MOSLEY WILLIAM D (CEO) sold 16,220 shares of Seagate Technology Holdings plc (STX) at an average of $900.21 ($884.62–$915.52, $14.60M total) across 29 trades on 2026-06-01 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The disclosure provides fresh data for traders assessing insider sentiment and potential short‑term price moves.
Market read
Insider sell‑off by the CEO is a material event that may influence short‑term trading decisions on STX.
What to watch
The 10b5‑1 plan may have been set months ago; the timing may not reflect current sentiment.
Background
Form 4 filings disclose insider transactions; this is the first public report of Mosley's recent sale.
Ticker impact
CEO William D. Mosley sold 16,220 shares for $14.6 M via a 10b5‑1 plan on 2026‑06‑01, reducing his stake to 337,371 shares.
likely downward pressure as the market prices the CEO's sell-off
A $14.6 M sale by the chief executive signals potential concerns and adds supply, which can weigh on the stock.
Market effects
Minimal impact on the broader data‑storage sector; insider sales are company‑specific.
No significant regional effect; the filing is U.S.‑focused.
Limited global relevance beyond investors tracking Seagate.
Counterpoint
The sale could be routine under a pre‑arranged plan and not indicative of future performance.
Key entities
- companySeagate Technology Holdings plc
Data‑storage hardware manufacturer listed on NYSE (STX).
- personWilliam D. Mosley
Chief Executive Officer of Seagate.



