Form 4: Amkor CEO Converts RSUs to Common Stock
Insider Transaction
Amkor Technology's President and CEO, Guillaume Rutten, converted 8,692 restricted stock units into common stock on December 31, 2025.
Summary
- Guillaume Marie Jean Rutten, President and CEO of Amkor Technology, Inc. (AMKR), reported a transaction on December 31, 2025.
- The transaction involved the conversion of 8,692 restricted stock units (RSUs) into 8,692 shares of common stock.
- The conversion price for these securities was $0.
- Following this transaction, Rutten directly beneficially owns 345,391 shares of common stock.
- He also directly beneficially owns 17,384 restricted stock units.
- The converted RSUs were part of an original grant of 43,459 RSUs on February 20, 2025, which vest in five equal quarterly installments.
Sentiment
Score: 6
Explanation: The sentiment is slightly positive as it reflects a routine, pre-scheduled vesting of executive compensation, leading to increased direct ownership of common stock by the CEO, which generally aligns management and shareholder interests.
Positives
- The CEO's direct beneficial ownership of common stock increased by 8,692 shares, aligning management interests with shareholders.
Future Outlook
The filing does not contain any forward-looking statements or guidance beyond the scheduled vesting of restricted stock units.
Industry Context
This is a routine insider transaction related to executive compensation and does not directly reflect broader industry trends or competitive positioning. It indicates the ongoing compensation structure for Amkor Technology's leadership.
Stakeholder Impact
- Shareholders: The increase in the CEO's direct common stock ownership may be viewed positively as it further aligns his interests with those of long-term shareholders.
Next Steps
- Future vesting installments of the remaining restricted stock units are scheduled for March 31, 2026, and June 30, 2026.
Key Dates
| Date | Description |
|---|---|
| 02/20/2025 | Grant date of 43,459 restricted stock units to the Reporting Person. |
| 06/30/2025 | First quarterly vesting installment date for the restricted stock units. |
| 09/30/2025 | Second quarterly vesting installment date for the restricted stock units. |
| 12/31/2025 | Transaction date for the conversion of 8,692 restricted stock units into common stock (third quarterly vesting installment). |
| 01/05/2026 | Signature date of the Form 4 filing. |
| 03/31/2026 | Fourth quarterly vesting installment date for the restricted stock units. |
| 06/30/2026 | Fifth and final quarterly vesting installment date, at which point 100% of the original RSU grant will be vested. |
Recommendation
holdThis Form 4 filing details a routine, pre-scheduled conversion of restricted stock units into common stock by the CEO. Such a transaction is a standard part of executive compensation and does not typically indicate a change in the company's fundamental outlook or warrant a shift in investment recommendation. It is an expected event with no new material information to alter an investment thesis.
Keywords
Amkor Technology, AMKR, Guillaume Rutten, Restricted Stock Units, RSU conversion, Insider transaction, Common Stock, CEO stock ownership
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