---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-230710"
form_type: "8-K"
ticker: "AMKR"
cik: "0001047127"
company_name: "AMKOR TECHNOLOGY, INC."
filed_at: "2023-09-07T23:59:59+00:00"
generated_at: "2026-06-10T22:31:31.522480+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Amkor Technology registers secondary offering of 10M shares by Kim family affiliate at $23.22/sh

## Summary
- Selling stockholder 915 Investments, LP (Kim family affiliate) selling 10M AMKR shares at $23.22 per share.
- Underwriters granted 30-day option to purchase up to an additional 1.5M shares.
- Selling stockholder agrees to 365-day lock-up on remaining shares; company to 60-day lock-up.
- James J. Kim is Executive Chairman and founder; Susan Y. Kim is Executive Vice Chairman; selling stockholder is their family investment vehicle.

## SEC filing metadata
- accession: 0001193125-23-230710
- form_type: 8-K
- ticker: AMKR
- cik: 0001047127
- company_name: AMKOR TECHNOLOGY, INC.
- filed_at: 2023-09-07T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1047127/000119312523230710/0001193125-23-230710-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1047127/000119312523230710/d547954d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-230710
- JSON: https://secwatch.observer/filing/0001193125-23-230710.json
- Plain text: https://secwatch.observer/filing/0001193125-23-230710.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.