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 OwnershipAll the details
Dates, kept separate
Transaction date
Dec 31, 2025
Reporting period
Not applicable
Filed with the SEC
Jan 5, 2026
CFOOption 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
0001628280-26-000446
Filed / recorded
Jan 5, 2026, 9:18 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
Megan Faust
Relationship
Officer
Officer title
CFO
Security
Restricted Stock Units
Table
Derivative (Table II)
Transaction date
Dec 31, 2025
Transaction code
M
Shares / units
8,692
Price per share
$0.00
Acquired / disposed
Disposed (D)
Shares owned after
17,384
Ownership form
Direct
Amendment
No
Footnotes from the filing
On the Grant Date, the Reporting Person was granted 43,459 RSUs which vest 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% will be vested on June 30, 2026.