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 →
$4.0M6,440 sh across 11 lots
Exec Nov 2
Filed Nov 3 · 4:59 PM ET STXSALE Seagate Technology Holdings plc View filing → $14.0M
23,280 sh across 27 lots
Exec Nov 2
Filed Nov 3 · 4:59 PM ET STXSALE Seagate Technology Holdings plc View filing → $10.2M
10,882 sh across 14 lots
Exec Oct 1
Filed Oct 2 · 4:07 PM ET STXSALE Seagate Technology Holdings plc View filing → $17.4M
18,998 sh across 28 lots
Exec Oct 1
Filed Oct 2 · 4:07 PM ET STXSALE Seagate Technology Holdings plc View filing → $75.6M
97,889 sh × $772.14
Exec Sep 15
Filed Sep 16 · 4:10 PM ET STXSALE Seagate Technology Holdings plc View filing → $1.5M
1,870 sh × $781.23
Exec Sep 14
Filed Sep 15 · 4:15 PM ET STXSALE Seagate Technology Holdings plc View filing → $2.5M
2,849 sh across 2 lots
Exec Sep 10
Filed Sep 11 · 4:46 PM ET STXSALE Seagate Technology Holdings plc View filing → $15.4M
18,138 sh across 3 lots
Exec Aug 21
Filed Aug 24 · 5:10 PM ET More filings →