Form 4: Seagate CEO Reports Equity Vesting and Tax-Related Share Sales

Seagate Technology Holdings plc CEO William D. Mosley reported the vesting of restricted and performance-based share units, alongside corresponding tax-related share disposals.

Summary

• William D. Mosley, CEO and Director of Seagate Technology Holdings plc, reported changes in his beneficial ownership of ordinary shares.
• On September 11, 2025, 3,319 ordinary shares vested from Restricted Share Units (RSUs) at a price of $0.
• Concurrently, 1,678 ordinary shares were disposed of at $196.81 to cover tax withholding obligations related to the RSU vesting.
• On September 14, 2025, 65,170 ordinary shares vested from Performance-Based Restricted Share Units (PSUs) at a price of $0, following the Compensation Committee's determination that performance conditions were met.
• An additional 32,931 ordinary shares were disposed of at $195.99 on September 14, 2025, to cover tax withholding for the PSU vesting.
• Following these transactions, William D. Mosley's direct beneficial ownership of ordinary shares stands at 505,668.

Sentiment

Score: 5

Explanation: The filing reports routine executive compensation events (equity vesting and tax-related share sales) which are neutral in terms of immediate positive or negative sentiment for the company's operational or financial performance.

Positives

• The vesting of 65,170 Performance-Based Restricted Share Units indicates that the Compensation Committee of the Board of Directors determined that the associated performance conditions were met, suggesting strong company performance against set targets.
• The vesting of 3,319 Restricted Share Units reflects continued employment and adherence to the company's equity incentive plan.

Negatives

• A total of 34,609 ordinary shares were disposed of by the CEO to cover tax withholding obligations, reducing his direct beneficial ownership.

Risks

• The value of the vested shares and the proceeds from their sale are subject to market fluctuations, as evidenced by the share prices of $196.81 and $195.99 at the time of disposal for tax purposes.

Future Outlook

The remaining Restricted Share Units (RSUs) granted under the Seagate Technology plc 2022 Equity Incentive Plan are subject to the reporting person's continuous employment and will continue to vest in equal quarterly installments over the three years following September 11, 2024.

Industry Context

This filing details routine insider transactions related to executive compensation, specifically the vesting of equity awards and subsequent tax-related share sales. Such events are common across publicly traded companies as part of their executive incentive and retention programs, reflecting the compensation structure for senior leadership in the technology sector.

Stakeholder Impact

• Shareholders: The transactions represent a routine part of executive compensation and do not indicate a change in company strategy or financial health. The disposal of shares for tax purposes is a common occurrence and not typically indicative of a lack of confidence.
• Employees: The vesting of equity awards aligns executive incentives with long-term company performance, which can positively influence employee morale and strategic direction.

Next Steps

• Continued vesting of remaining Restricted Share Units in quarterly installments over the next three years, subject to continuous employment.

Key Dates

Keywords

Seagate Technology Holdings plc, STX, Form 4, Insider Transaction, Equity Vesting, William D. Mosley, CEO, Restricted Share Units, Performance Share Units, Share Disposal, Tax Withholding