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 →
$14.1M17,000 sh across 18 lots
Exec Aug 3
Filed Aug 4 · 6:09 PM ET STXSALE Seagate Technology Holdings plc View filing → $10.2M
12,680 sh across 26 lots
Exec Aug 3
Filed Aug 4 · 6:09 PM ET STXSALE Seagate Technology Holdings plc View filing → $8.6M
9,340 sh across 14 lots
Exec Jul 1
Filed Jul 2 · 4:40 PM ET STXSALE Seagate Technology Holdings plc View filing → $18.8M
20,617 sh across 28 lots
Exec Jul 1
Filed Jul 2 · 4:40 PM ET STXSALE Seagate Technology Holdings plc View filing → $1.6M
1,768 sh × $880.19
Exec Jun 12
Filed Jun 15 · 5:30 PM ET STXSALE Seagate Technology Holdings plc View filing → $2.3M
2,855 sh across 2 lots
Exec Jun 10
Filed Jun 11 · 5:30 PM ET STXSALE Seagate Technology Holdings plc View filing → $14.6M
16,220 sh across 29 lots
Exec Jun 1
Filed Jun 2 · 5:30 PM ET STXSALE Seagate Technology Holdings plc View filing → $12.7M
13,700 sh across 19 lots
Exec Jun 1
Filed Jun 2 · 5:30 PM ET More filings →