Seagate Technology Holdings Director Stephanie Tilenius Acquires Shares via RSU Vesting & Tax Withholding

Executive Summary

On October 26, 2026, Stephanie Tilenius, a Director of Seagate Technology Holdings plc ($STX), filed a Form 4 detailing routine equity transactions that took place on October 24, 2026. The filing covers the settlement of restricted share units (RSUs), share disposition to satisfy tax obligations, and a new annual RSU award.

Transaction Breakdown

1. RSU Vesting (Code M): 1,580 RSUs granted under the 2022 Equity Incentive Plan vested and converted into 1,580 Ordinary Shares at $0.00 per share.
2. Tax Withholding (Code F): 380 Ordinary Shares were surrendered at a price of $630.49 per share to satisfy statutory tax withholding liabilities, representing a value of $239,586.20.
3. Annual RSU Award (Code A): Ms. Tilenius was awarded 345 new RSUs under the 2022 Equity Incentive Plan, which will vest over one year or at the next annual general meeting.

Holdings and Market Impact

• Ending Direct Ownership: 11,864 Ordinary Shares.
• Derivative Holdings: 345 unvested RSUs.
• Significance: Low. The reported transactions represent non-discretionary equity compensation vesting and customary tax-withholding dispositions, indicating no discretionary open-market buying or selling activity.