---
schema_version: "secwatch.filing_event.v1"
accession: "0001047127-22-000002"
form_type: "8-K"
ticker: "AMKR"
cik: "0001047127"
company_name: "AMKOR TECHNOLOGY, INC."
filed_at: "2022-02-14T23:59:59+00:00"
generated_at: "2026-06-27T08:16:14.569120+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Amkor posts record FY2021 revenue $6.14B, EPS $2.62; Q1 2022 guidance issued

## Summary
- Q4 net sales $1.72B (record), up 26% YoY; EPS $0.88 (record).
- Full-year net sales $6.14B (+22% YoY), net income $643M, diluted EPS $2.62 (all records).
- Q1 2022 guidance: revenue $1.50-1.60B, gross margin 17.5-20.0%, EPS $0.45-0.65.
- Quarterly dividend raised 25% to $0.05/share, effective with Dec 2021 payment.
- FY2022 capex expected around $950M.

## SEC filing metadata
- accession: 0001047127-22-000002
- form_type: 8-K
- ticker: AMKR
- cik: 0001047127
- company_name: AMKOR TECHNOLOGY, INC.
- filed_at: 2022-02-14T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1047127/000104712722000002/0001047127-22-000002-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1047127/000104712722000002/amkr-20220214.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001047127-22-000002
- JSON: https://secwatch.observer/filing/0001047127-22-000002.json
- Plain text: https://secwatch.observer/filing/0001047127-22-000002.txt

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