WM
Insider
William D Mosley
Chief Executive OfficerWilliam D Mosley (Chief Executive Officer) filed 21 Form 4 reports in the trailing twelve months (0 purchases, 21 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.
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
21
0 buys · 21 sells
Median delay
–
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$254.8M
shares × price, as filed
Last traded
Sep 15
Filed Sep 16
Median ADV $3.5B across their filed names
Open performance→Volume by month
Buys $0
Sells $304.8M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Technology
21 filings
Sector per market data · by filing · past 12 months
Most traded names
STXRecent filings
STXSALE
Seagate Technology Holdings plc
View filing →
$8.3M19,300 sh across 11 lots
Exec Feb 2
Filed Feb 3 · 5:30 PM ET STXSALE Seagate Technology Holdings plc View filing → $5.7M
20,000 sh across 9 lots
Exec Jan 2
Filed Jan 6 · 5:30 PM ET STXSALE Seagate Technology Holdings plc View filing → $5.4M
19,900 sh across 7 lots
Exec Dec 1 2025
Filed Dec 2 2025 · 5:30 PM ET STXSALE Seagate Technology Holdings plc View filing → $5.2M
19,700 sh across 12 lots
Exec Nov 3 2025
Filed Nov 5 2025 · 5:30 PM ET STXSALE Seagate Technology Holdings plc View filing → $4.7M
18,700 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 More filings →