Insider trade

Director exercised or converted 14K AMKR derivative securities

Traded Feb 16, 2026 · Filed Feb 18, 2026

Amkor TechnologyAMKR

14K
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 16, 2026
Reporting period: Not applicable
Filed with the SEC: Feb 18, 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: 0001628280-26-009053

Filed / recorded

Feb 18, 2026, 9:15 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 16, 2026

Transaction code

M

Shares / units

13,920

Price per share

$0.00

Acquired / disposed

Disposed (D)

Shares owned after

13,919

Ownership form

Direct

Amendment

No

Footnotes from the filing

Represents shares of the Issuer's common stock underlying time-vested restricted stock units granted on February 16, 2023 (the "RSU Grant Date") pursuant to the Issuer's 2021 Equity Incentive Plan (the "RSUs"). The RSUs were awarded for no consideration other than the Reporting Person's service as an officer of the Issuer and will vest in four equal annual installments beginning on the first anniversary of the RSU Grant Date.