[Form 4] AMKOR TECHNOLOGY, INC. Insider Trading Activity
Filing Impact
Filing Sentiment
Form Type
4
Rhea-AI Filing Summary
AMKOR TECHNOLOGY, INC. executive vice president and general counsel Mark N. Rogers reported an option exercise and related share sale. He exercised employee stock options to acquire 5,000 shares of common stock at $7.40 per share and sold 5,000 shares in an open-market transaction at an average price of $86.21 per share. The sale was made under a pre-arranged Rule 10b5-1 trading plan adopted on August 1, 2025. After these transactions, he directly holds 38,904 shares of Amkor common stock.
Positive
- None.
Negative
- None.
Insider Trade Summary 10b5-1
Net Seller: 5,000 shares ($431,050)
Net Sell
3 txns
Insider
ROGERS MARK N
Role
EVP & General Counsel
Sold
5,000 shs ($431K)
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Employee Stock Option (Right-to-Buy) | 5,000 | $0.00 | -- |
| Exercise | Common Stock | 5,000 | $7.40 | $37K |
| Sale | Common Stock | 5,000 | $86.21 | $431K |
Holdings After Transaction:
Employee Stock Option (Right-to-Buy) — 80,000 shares (Direct, null);
Common Stock — 43,904 shares (Direct, null)
Footnotes (1)
- The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 1, 2025. This stock option (the "Option") to acquire 200,000 shares of Amkor Technology, Inc. common stock (the "Option Shares") was granted on June 10, 2019 (the "Option Grant Date") and vested over four years as follows: (i) with respect to 25% of the Option Shares, on the first anniversary of the Option Grant Date; and (ii) with respect to the remainder of the Option Shares, in equal quarterly installments thereafter, such that 100% of the Option vested on the fourth anniversary of the Option Grant Date.
Key Figures
Shares sold: 5,000 shares
Sale price: $86.21 per share
Option exercise size: 5,000 shares
+5 more
8 metrics
Shares sold
5,000 shares
Open-market sale of Amkor common stock
Sale price
$86.21 per share
Average price for 5,000-share sale
Option exercise size
5,000 shares
Common shares acquired via option exercise
Option strike price
$7.40 per share
Employee stock option exercise price
Post-transaction holdings
38,904 shares
Directly held Amkor common stock after transactions
Option grant size
200,000 shares
Employee stock option granted June 10, 2019
Option expiration
June 10, 2029
Expiration date of referenced employee stock option
10b5-1 plan adoption date
August 1, 2025
Date trading plan for the sale was adopted
Key Terms
Rule 10b5-1 trading plan, Employee Stock Option (Right-to-Buy), derivative security, open-market sale, +1 more
5 terms
Rule 10b5-1 trading plan financial
"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
Employee Stock Option (Right-to-Buy) financial
"security_title: "Employee Stock Option (Right-to-Buy)""
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.
open-market sale financial
"transaction_action: "open-market sale""
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
vesting financial
"the Option vested over four years as follows: (i) with respect to 25% of the Option Shares"
Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.
