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STXSeagate Technology

William Mosley

CEO, Director at Seagate Technology, as of Oct 2, 2026Sold $304M of stock in the past 12 months: 64% under a disclosed plan, 25% to cover taxes and 10% with no plan disclosed.

Updated Oct 15, 2026 from SEC filings · covers Oct 16, 2025 to Oct 15, 2026
362K
shares held after the latest filing, Seagate Technology
Vested shares reported on Forms 3, 4 and 5 only. Not the insider's whole wealth.
450K
shares sold, past 12 months
19
days with sales
$75.6M
largest single day, Sep 15, 2026
1
company filed for

Share of stake sold at Seagate Technology is not shown: most of their shares vested during the period, so a percentage would mislead. Why

Selling by month

Oct 2025 to Oct 2026. Each sale is counted once: under a disclosed plan, else to cover taxes, else no plan disclosed.

Disclosed planTo cover taxesNo plan disclosedOne dollar scale for every month; the tallest bar is labeled
OctNov 2025: $5.3M under a disclosed planNovDec 2025: $5.4M under a disclosed planDecJan 2026: $5.7M under a disclosed planJanFeb 2026: $8.6M under a disclosed planFebMar 2026: $7.7M under a disclosed planMar 2026: $10.0M no plan disclosedMarApr 2026: $8.4M under a disclosed planAprMay 2026: $22.5M under a disclosed planMayJun 2026: $27.3M under a disclosed planJun 2026: $3.9M no plan disclosedJunJul 2026: $27.4M under a disclosed planJulAug 2026: $24.5M under a disclosed planAug 2026: $15.4M no plan disclosedAugSep 2026: $24.5M under a disclosed planSep 2026: $77.0M to cover taxesSep 2026: $2.5M no plan disclosed$104MSepOct 2026: $27.7M under a disclosed planOct

Pattern

What the filings show, past 12 months. Nothing here rates or predicts.

Roles from filings

Every company we track where this person has filed, newest filing first.

CompanyTitleFirst filingLatest filing
Seagate Technology (STX)CEO, DirectorFeb 5, 2007Oct 2, 2026

Recent filings

The last 5 days with transactions, newest first, one line per trade date. Each number links to an SEC filing.

This page shows only what this person reported on SEC ownership filings. See the methodology. Spotted something wrong? Report an error.