Insider trade

10% owner exercised or converted 200K AMKR derivative securities

Traded Jul 20, 2026 · Filed Jul 22, 2026

Amkor TechnologyAMKR

200K
Derivative units

Why it stands out

Derivative exercise or conversion — not an open-market buy.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Jul 20, 2026
Reporting period: Not applicable
Filed with the SEC: Jul 22, 2026

10% ownerOption exercise

Context

Classification

option exercise

Code M — exercise or conversion of a derivative security

Planned / mechanical clue

Footnote references vesting of compensation awards

Only flagged when a footnote says so; never inferred

Source receipt

Record ID: 0001158839-26-000001

Filed / recorded

Jul 22, 2026, 8:32 PM UTC

Added to OQRO

Oct 6, 2026, 4:40 PM UTC

Parser

form4-xml-v2

Data quality

Verified: identifiers matched exactly

Issuer

AMKOR TECHNOLOGY, INC.

Issuer CIK

1047127

Ticker

AMKR

Reporting person

KIM JAMES J

Relationship

10% owner, Other

Security

Employee Stock Option (Right-to-Buy)

Table

Derivative (Table II)

Transaction date

Jul 20, 2026

Transaction code

M

Shares / units

200,000

Price per share

$0.00

Acquired / disposed

Disposed (D)

Shares owned after

0

Ownership form

Direct

Amendment

No

Footnotes from the filing

This stock option (the "2017 Option") to acquire 200,000 shares of the Issuer's Common Stock (the "2017 Option Shares") was granted on February 27, 2017 (the "2017 Option Grant Date") and vested over four years as follows: (i) with respect to 25% of the 2017 Option Shares, on the first anniversary of the 2017 Option Grant Date; and (ii) with respect to the remainder of the 2017 Option Shares, in equal quarterly installments thereafter, such that 100% of the 2017 Option vested on the fourth anniversary of the 2017 Option Grant Date.