WM
William D Mosley (Chief Executive Officer) filed 23 Form 4 reports in the trailing twelve months (0 purchases, 23 sales), most often in Seagate Technology Holdings plc (STX). The largest single filing was $75.6M of STX (97,889 sh × $772.14, as filed), executed Sep 15. Data as of Nov 8 2026.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
23
0 buys · 23 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$290.6M
shares × price, as filed
Last traded
Nov 2
Filed Nov 3
Median ADV $3.5B across their filed names
Open performance→Volume by month
Buys $0
Sells $349.7M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Technology
23 filings
Sector per market data · by filing · past 12 months
Most traded names
STXRecent filings
STXSALE
Seagate Technology Holdings plc
View filing →
$4.7M18,700 sh across 17 lots
Exec Oct 1 2025
Filed Oct 3 2025 · 5:30 PM ET STXSALE Seagate Technology Holdings plc View filing → $3.3M
19,258 sh across 4 lots
Exec Sep 2 2025
Filed Sep 4 2025 · 5:30 PM ET STXSALE Seagate Technology Holdings plc View filing → $3.0M
19,500 sh across 5 lots
Exec Aug 1 2025
Filed Aug 4 2025 · 5:30 PM ET STXSALE Seagate Technology Holdings plc View filing → $2.9M
20,000 sh across 3 lots
Exec Jul 1 2025
Filed Jul 2 2025 · 5:30 PM ET