Seagate CEO William D. Mosley Exercises Options and Sells Shares via Rule 10b5-1 Plan
Seagate Technology Holdings plc
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Filing Summary
š INSIDER TRANSACTION REPORT | Seagate Technology Holdings plc ($STX)
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Insider: MOSLEY WILLIAM D (CEO / Director)
Type: Option Exercise & Open Market Sales (Rule 10b5-1 Plan)
Date: 2026-09-01
Details:
ā¢ Acquired: 14,000 shares via Option Exercise @ $46.23
ā¢ Sold: 30,000 shares across multiple tranches ($804.17 - $832.07)
ā¢ Est. Value: ~$24,482,700
ā¢ Remaining: 295,167.5 Ordinary Shares (Direct)
Significance: Medium (Pre-planned Rule 10b5-1 trading plan adoption)
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Comprehensive Analysis
Executive Summary
On September 1, 2026, William D. Mosley, Chief Executive Officer and Director of Seagate Technology Holdings plc ($STX), executed transactions involving the exercise of non-qualified stock options and subsequent open market sales of ordinary shares pursuant to a pre-arranged Rule 10b5-1 trading plan adopted on February 18, 2026.
Transaction Details
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Option Exercise (Code M):
- Shares Exercised: 14,000 Ordinary Shares
- Exercise Price: $46.23 per share
- Derivative Instrument: Non-Qualified Options expiring September 9, 2027
- Remaining Options: 97,100
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Open Market Dispositions (Code S):
- Total Shares Sold: 30,000 Ordinary Shares
- Execution Prices: Sold in multiple tranches with weighted-average prices ranging between $804.61 and $832.05 per share.
- Total Proceeds: Approximately $24.48 million
- Post-Transaction Direct Ownership: 295,167.5 Ordinary Shares
Market and Governance Impact
- Rule 10b5-1 Plan: The sales were executed under a Rule 10b5-1 plan established in February 2026, indicating structured liquidity management rather than discretionary market timing.
- Holding Retention: Despite selling 30,000 shares, the insider continues to maintain a substantial direct ownership interest of 295,167.5 ordinary shares alongside 97,100 derivative options.
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Important Disclaimer
This content is drawn from public SEC filings and may contain errors. It is for informational purposes only and is not investment, legal, or tax advice.
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