WhoTraded
William D Mosley
CEOInsider filing
Sold

Sold $9.6M of STX

William D Mosley reported this trade on Aug 24, 2026, 3 days after the trade date of Aug 21, 2026.

Aug 21

Sold STX

$9.6M

Aug 24

Reported

Insider filing

Company insiders have two business days to report.

Amount
$9.6M
Type of transaction
Sold on the open market
Pre-scheduled plan (10b5-1)
No
Traded
Aug 21, 2026
Reported
Aug 24, 2026
Wait to report
3 days
Where it was reported
Company insider filing (SEC Form 4)
26

A bit unusual compared with their history

Score 26 of 100, from 2 reasons.

  • Sold 14 days before a company announcement

    STX filed a report with the SEC (a form called an 8-K) on Sep 4, 2026: a change in directors or senior officers.

    The announcement
    +14
  • Not part of a pre-scheduled plan

    Insiders can set up trades months ahead (a 10b5-1 plan). The filing dated Aug 24, 2026 does not mark this trade as one of those.

    +12

A flag means a trade differs from this person's usual pattern. It is not evidence of wrongdoing.

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