Seagate Technology CEO William D. Mosley Files Form 144 to Sell $74.55M in Common Stock
Seagate Technology Holdings plc
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Filing Summary
Form 144 Filing Notice: Seagate Technology Holdings plc ($STX) • Insider: WILLIAM D. MOSLEY (Director & Officer) • Proposed Sale: 90,000 Common shares • Aggregate Market Value: $74,554,200.00 • Approximate Date of Sale: September 1, 2026 • Broker: Morgan Stanley Smith Barney LLC • Plan Adoption Date: February 18, 2026 (Rule 10b5-1 Plan)
Comprehensive Analysis
Executive Summary
On September 1, 2026, William D. Mosley, Director and Officer of Seagate Technology Holdings plc ($STX), filed Form 144 with the SEC indicating a proposed sale of 90,000 common shares with an estimated aggregate market value of $74,554,200.00.
Transaction Details
- Security: Common Stock
- Proposed Sale Volume: 90,000 shares
- Aggregate Market Value: $74,554,200.00 (~$828.38 per share implied)
- Shares Outstanding: 226,644,518 shares
- Approximate Sale Date: September 1, 2026
- Broker: Morgan Stanley Smith Barney LLC Executive Financial Services
- Securities Source:
- 42,000 shares via exercise of stock options.
- 48,000 shares via vesting of restricted and performance stock units acquired between 09/24/2020 and 09/14/2025.
Trading Plan & Past Sales Context
- Rule 10b5-1 Plan: The proposed transactions are executed under a pre-arranged Rule 10b5-1 trading plan adopted on February 18, 2026.
- Past 3-Month Activity:
- 08/21/2026: 18,139 shares sold for $15,406,446.72
- 08/03/2026: 30,000 shares sold for $24,511,132.00
- 07/01/2026: 30,000 shares sold for $27,444,659.00
- 06/12/2026: 1,769 shares sold for $1,557,053.99
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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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