Amkor CEO exercises RSUs, withholds shares for tax
Amkor Technology, Inc. President and CEO Kevin K. Engel reported routine equity compensation activity involving restricted stock units and common stock.
Rhea-AI Filing Summary
Amkor Technology, Inc. President and CEO Kevin K. Engel reported routine equity compensation activity involving restricted stock units and common stock. He exercised 8,692 restricted stock units into common stock, reflecting the conversion of previously granted equity awards into shares.
In connection with this vesting event, 3,725 common shares were withheld by Amkor Technology to satisfy Engel’s tax withholding obligations, with the company paying these taxes on his behalf. The underlying RSU grant covered 43,459 units awarded on February 20, 2025, which vested in five equal quarterly installments and was fully vested on June 30, 2026.
Positive
- None.
Negative
- None.
Insider Trade Summary
8,692 shares exercised/converted
Exercise
3 txns
Insider
Engel Kevin K.
Role
President and CEO
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Restricted Stock Units | 8,692 | $0.00 | $0.00 |
| Exercise | Common Stock | 8,692 | $0.00 | $0.00 |
| Exercise Price or Tax Liability | Common Stock | 3,725 | $86.23 | $321K |
Holdings After Transaction:
Restricted Stock Units — 0 contracts (Direct);
Common Stock — 12,887 shares (Direct)
Footnotes (2)
- F1. The transaction represents shares withheld by Amkor Technology, Inc. (the "Issuer") in connection with the vesting of certain restricted stock units ("RSUs") granted to the Reporting Person on February 20, 2025 (the "Grant Date") pursuant to the Issuer's 2021 Equity Incentive Plan, as amended, and the related award agreement. These shares were withheld to satisfy the Reporting Person's tax withholding obligations. The Issuer will pay these taxes on behalf of the Reporting Person.
- F2. On the Grant Date, the Reporting Person was granted 43,459 RSUs, which vested in five equal quarterly installments on each of June 30, 2025, September 30, 2025, December 31, 2025, March 31, 2026, and June 30, 2026, such that 100% was vested on June 30, 2026.
Key Figures
RSUs exercised: 8,692 units
Shares withheld for taxes: 3,725 shares
RSU grant size: 43,459 RSUs
+3 more
6 metrics
RSUs exercised
8,692 units
Restricted stock units converted into common stock on June 30, 2026
Shares withheld for taxes
3,725 shares
Common shares withheld to satisfy tax withholding obligations
RSU grant size
43,459 RSUs
Grant on February 20, 2025 under 2021 Equity Incentive Plan
Vesting schedule
5 equal installments
Quarterly vesting dates through June 30, 2026
Tax-withholding transactions
1 transaction, 3,725 shares
Summary of F-code disposition events
Derivative exercises
1 transaction, 8,692 shares
Summary of M-code RSU conversion into common stock
Key Terms
restricted stock units ("RSUs"), 2021 Equity Incentive Plan, tax withholding obligations, derivative security
4 terms
restricted stock units ("RSUs") financial
"The transaction represents shares withheld ... in connection with the vesting of certain restricted stock units ("RSUs") granted to the Reporting Person..."
Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.
2021 Equity Incentive Plan financial
"RSUs granted to the Reporting Person ... pursuant to the Issuer's 2021 Equity Incentive Plan, as amended, and the related award agreement."
tax withholding obligations financial
"These shares were withheld to satisfy the Reporting Person's tax withholding obligations. The Issuer will pay these taxes on behalf of the Reporting Person."
derivative security financial
"transaction_code_description: Exercise or conversion of derivative security"
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What insider transaction did Amkor (AMKR) CEO Kevin K. Engel report?
Kevin K. Engel reported equity compensation activity involving restricted stock units. He exercised 8,692 RSUs into common stock and had 3,725 shares withheld to cover tax obligations related to the vesting, with Amkor Technology paying those taxes on his behalf.
How many restricted stock units vested for Amkor (AMKR) CEO Kevin K. Engel?
Kevin K. Engel’s reported transactions relate to a grant of 43,459 restricted stock units. These RSUs were granted on February 20, 2025 and vested in five equal quarterly installments, becoming 100% vested as of June 30, 2026 according to the disclosure.
What do the Form 4 transaction codes F and M mean in Amkor (AMKR) CEO’s filing?
Code M indicates exercise or conversion of a derivative security, here the conversion of RSUs into common stock. Code F represents shares withheld by the issuer to pay the reporting person’s tax liability, rather than an open-market sale of shares.
What equity plan governed the RSUs reported by Amkor (AMKR) CEO Kevin K. Engel?
The restricted stock units were granted under Amkor Technology’s 2021 Equity Incentive Plan, as amended. They were awarded on February 20, 2025 and vested over five quarterly dates, reaching full vesting on June 30, 2026 according to the footnote disclosure.
AI-generated analysis. How Rhea-AI works. Not financial advice.
