Insider trade

Director exercised or converted 11K AMKR derivative securities

Traded Feb 24, 2026 · Filed Feb 26, 2026

Amkor TechnologyAMKR

11K
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: Feb 24, 2026
Reporting period: Not applicable
Filed with the SEC: Feb 26, 2026

DirectorOption 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: 0001628280-26-012300

Filed / recorded

Feb 26, 2026, 9:16 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

Guillaume Marie Jean Rutten

Relationship

Director

Security

Restricted Stock Units

Table

Derivative (Table II)

Transaction date

Feb 24, 2026

Transaction code

M

Shares / units

10,748

Price per share

$0.00

Acquired / disposed

Disposed (D)

Shares owned after

0

Ownership form

Direct

Amendment

No

Footnotes from the filing

Represents shares of the Issuer's common stock underlying time-vested restricted stock units ("RSUs") on February 24, 2022 (the "Grant Date") pursuant to the Issuer's Equity Incentive Plan. The RSUs were awarded for no consideration other than the Reporting Person's service as a service provider of the Issuer and vested in four equal annual installments beginning on the first anniversary of the Grant Date.