Seagate Technology Officer Files Form 144 for Routine Sell-to-Cover

Executive Summary

On September 10, 2026, John Christopher Morris, an Officer of Seagate Technology Holdings plc, filed a Form 144 notice proposing the sale of 601 shares of common stock through Morgan Stanley, with an estimated market value of $518,022.27.

Transaction Details

• Securities to be Sold: 601 shares of Common Stock
• Estimated Aggregate Market Value: $518,022.27 (~$861.93/share)
• Source of Shares: RSU vestings acquired on September 9, 2026 (631 and 500 shares) as compensation for services.
• Transaction Intent: The filing remarks confirm that this proposed sale is an issuer-mandated sell-to-cover transaction solely to satisfy tax withholding obligations arising from RSU vestings.

Prior 3-Month Activity

The filer has completed several previous sales over the prior three months totaling 6,145 shares for gross proceeds of approximately $5.23M.

Market & Trading Significance

This filing carries Low trading significance as it represents a non-discretionary, routine tax-withholding sale rather than an open-market discretionary divestment.