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Mosley William D

In the past year, 22 open-market sale filings worth $281.2M and no purchases.

Current role at each company

Open-market trades in the past year

Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.

Bought
–
0 filings
Sold
$281.2M
22 filings
Net
−$281.2M
Bought minus sold
Companies
1
With open-market trades

Trades

Every Form 4 that lists Mosley William D as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.

STX Seagate Technology Holdings plc

CEO42 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 16, 2026 (view filing)4:10 PM ETSep 151 dayMosley William DCEOSSale−97.9K$772.14−$75.6M−20.6%378.1K after
Sep 15, 2026 (view filing)4:15 PM ETSep 141 dayMosley William DCEOSSale−1.87K$781.23−$1.46M−0.6%299.0K after
Sep 11, 2026 (view filing)4:46 PM ETSep 101 dayMosley William DCEOSSale−2.85K$862.13−$2.46M−0.9%297.5K after2 lots
Sep 3, 2026 (view filing)4:51 PM ETSep 12 daysMosley William DCEOSSale−30.0K$816.28−$24.5M−9.2%295.2K after26 lots10b5-1
Aug 24, 2026 (view filing)5:10 PM ETAug 213 daysMosley William DCEOSSale−18.1K$849.35−$15.4M−5.5%311.2K after3 lots
Aug 4, 2026 (view filing)6:09 PM ETAug 31 dayMosley William DCEOSSale−17.1K$827.30−$14.1M−5.5%295.5K after19 lots10b5-1
Aug 4, 2026 (view filing)6:09 PM ETAug 31 dayMosley William DCEOSSale−12.9K$803.47−$10.4M−4.0%312.6K after29 lots10b5-1
Jul 2, 2026 (view filing)4:40 PM ETJul 11 dayMosley William DCEOSSale−9.34K$924.42−$8.64M−2.9%311.5K after15 lots10b5-1
Jul 2, 2026 (view filing)4:40 PM ETJul 11 dayMosley William DCEOSSale−20.7K$910.48−$18.8M−6.0%320.9K after29 lots10b5-1
Jun 15, 2026 (view filing)Jun 123 daysMosley William DCEOSSale−1.77K$880.19−$1.56M−0.5%327.5K after

See all 42 trades at STX