Form 4: Amkor CFO Reports RSU Vesting and Tax Withholding

Amkor Technology CFO Megan Faust reported the vesting of 8,692 restricted stock units and the subsequent withholding of 3,725 shares for tax obligations on December 31, 2025.

Summary

• Megan Faust, CFO of Amkor Technology, Inc., reported changes in her beneficial ownership of common stock.
• On December 31, 2025, 8,692 restricted stock units (RSUs) vested, converting into common stock.
• Concurrently, 3,725 shares of common stock were disposed of at a price of $39.48 per share to satisfy tax withholding obligations related to the RSU vesting.
• Following these transactions, Megan Faust directly beneficially owns 97,038 shares of Amkor Technology common stock.
• The original grant on February 20, 2025, was for 43,459 RSUs, vesting in five equal quarterly installments.
• After this transaction, 17,384 derivative securities (RSUs) remain beneficially owned.

Sentiment

Score: 5

Explanation: The filing reports a routine, pre-scheduled insider transaction related to executive compensation. It is neutral in terms of immediate positive or negative impact on the company's operational or financial performance.

Positives

• Vesting of 8,692 restricted stock units indicates a scheduled compensation event for the CFO.
• The company is fulfilling its compensation plan for key executives.

Negatives

• 3,725 shares were withheld to cover tax obligations, reducing the direct share count held by the CFO, which is a standard practice upon RSU vesting.

Future Outlook

The remaining 17,384 Restricted Stock Units granted to Megan Faust are scheduled to vest in two equal quarterly installments on March 31, 2026, and June 30, 2026, completing the full vesting of the original grant.

Industry Context

This filing represents a routine insider transaction related to executive compensation, common across publicly traded companies. It does not provide specific insights into broader industry trends or competitive landscape, but rather reflects the ongoing operation of Amkor Technology's equity incentive plan.

Stakeholder Impact

• Shareholders: Minor, as it's a routine compensation event reflecting the ongoing execution of the company's equity incentive plan.
• Employees: No direct impact on general employees, but it demonstrates the company's executive compensation practices.

Next Steps

• Further vesting of Restricted Stock Units for Megan Faust on March 31, 2026.
• Final vesting of Restricted Stock Units for Megan Faust on June 30, 2026.

Key Dates

Keywords

Amkor Technology, AMKR, Megan Faust, CFO, Restricted Stock Units, RSU Vesting, Insider Transaction, Beneficial Ownership, Form 4, Equity Incentive Plan, Tax Withholding