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William D Mosley

Chief Executive Officer

William 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.

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Return, 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
$79.5M$39.8M$0Oct 2024Apr 2025Oct 2025Apr 2026Oct 2024 · sells $2.1MNov 2024 · sells $2.0MDec 2024 · sells $2.1MFeb 2025 · sells $1.9MMar 2025 · sells $2.0MMay 2025 · sells $7.6MJun 2025 · sells $23.1MJul 2025 · sells $2.9MAug 2025 · sells $3.0MSep 2025 · sells $3.3MOct 2025 · sells $4.7MNov 2025 · sells $5.2MDec 2025 · sells $5.4MJan 2026 · sells $5.7MFeb 2026 · sells $8.3MMar 2026 · sells $17.5MApr 2026 · sells $8.1MMay 2026 · sells $22.2MJun 2026 · sells $31.2MJul 2026 · sells $27.4MAug 2026 · sells $39.7MSep 2026 · sells $79.5M
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
STX Seagate Technology Holdings plc STX · 0 buys · 36 sells 36 filings
Recent filings
STXSALE Seagate Technology Holdings plc View filing → $7.1M
54,347 sh × $130.19
Exec Jun 9 2025
Filed Jun 10 2025 · 5:30 PM ET
STXSALE Seagate Technology Holdings plc View filing → $8.4M
70,000 sh across 4 lots
Exec Jun 2 2025
Filed Jun 4 2025 · 5:30 PM ET
STXSALE Seagate Technology Holdings plc View filing → $7.6M
69,600 sh across 5 lots
Exec May 22 2025
Filed May 23 2025 · 5:30 PM ET
STXSALE Seagate Technology Holdings plc View filing → $7.6M
69,600 sh across 5 lots
Exec May 22 2025
Filed Jun 4 2025 · 5:30 PM ET †