Form 4: Amkor Technology Executive Sells Shares Under 10b5-1 Plan

Amkor Technology, Inc. executive Mark N. Rogers reported a transaction involving the sale of 5,000 shares of common stock, executed under a pre-arranged Rule 10b5-1 trading plan.

Summary

• Mark N. Rogers, EVP & General Counsel at Amkor Technology, Inc., reported a transaction on May 18, 2026.
• The transaction involved the acquisition of 5,000 shares of common stock at a price of $7.40 per share.
• Following this acquisition, Rogers disposed of 5,000 shares of common stock at a price of $71.63 per share.
• This sale was conducted as part of a Rule 10b5-1 trading plan adopted on August 1, 2025.
• Rogers' beneficial ownership of common stock decreased from 43,904 to 38,904 shares after the reported transaction.
• Additionally, the filing notes an employee stock option to acquire 200,000 shares, with 5,000 options exercised under the same transaction date and price as the acquisition.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral filing. While an executive sale can be perceived negatively, the execution under a Rule 10b5-1 plan suggests a pre-determined strategy rather than a reaction to negative company performance.

Positives

• The transaction was executed under a Rule 10b5-1 trading plan, indicating pre-planned and potentially non-insider trading related activity.
• The sale price of $71.63 per share suggests a potentially favorable market valuation at the time of the transaction.

Negatives

• A significant number of shares (5,000) were sold by a key executive, which could be perceived negatively by the market.
• The sale represents a reduction in the executive's direct beneficial ownership of the company's stock.

Risks

• The filing does not explicitly mention any risks associated with this specific transaction, as it is a standard disclosure of stock activity.
• Potential future risks could arise if the market interprets this sale as a lack of confidence by management, although the 10b5-1 plan mitigates this interpretation.

Future Outlook

The filing itself is a report of past transactions and does not contain forward-looking statements or guidance regarding the company's future financial performance. The Rule 10b5-1 plan implies a pre-determined schedule for future transactions, but these are not detailed.

Management Comments

• The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 1, 2025.

Industry Context

StockSavvy.ai notes that Form 4 filings are standard disclosures for public company executives and directors. The use of a Rule 10b5-1 plan is a common strategy to diversify executive holdings or meet financial obligations without triggering insider trading concerns, especially in the semiconductor industry where Amkor Technology operates.

Stakeholder Impact

• Shareholders: May observe the sale and interpret it in various ways, though the 10b5-1 plan mitigates concerns about insider knowledge.
• Employees: The transaction is unlikely to have a direct impact on employees.
• Creditors: No direct impact expected.
• Suppliers: No direct impact expected.

Next Steps

• Continued adherence to the Rule 10b5-1 trading plan for any future transactions.
• Monitoring of Mark N. Rogers' beneficial ownership of Amkor Technology, Inc. stock.

Key Dates

Keywords

Amkor Technology, AMKR, Form 4, Insider Trading, Rule 10b5-1, Stock Options, Beneficial Ownership, Securities Exchange Act, Executive Transactions, Stock Sale