Insider trade

Director sold ~$929K of AMKR shares in the open market

Traded Dec 12, 2025 · Filed Dec 16, 2025

Why it stands out

A board member of Amkor Technology sold $929K of Amkor Technology shares. Nobody planned it ahead of time.

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

Director$500K–$1M

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$928,800

Shares × reported transaction price

Timing vs results

46 days after results of Oct 27, 2025, 59 days before results of Feb 9, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Planned / mechanical clue

None found in footnotes

Only flagged when a footnote says so; never inferred

After	Stock	S&P 500	Difference
7 days	+4.9%	+2.8%	+2.0%
30 days	+23.5%	+3.0%	+20.5%
90 days	+19.2%	−0.1%	+19.3%
180 days	+119.8%	+12.4%	+107.4%

Past results only. Not a forecast.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $45.91 to $46.83. The Reporting Person hereby undertakes to provide, upon request, to the staff of the Securities and Exchange Commission, Amkor Technology, Inc. (the "Issuer"), or any security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (1) to this Form 4.