Amkor Technology, Inc.

Amkor Technology, Inc.

AMKRยทNASDAQ

$75.20

+3.4%
TechnologySemiconductors

Amkor Technology, Inc. provides outsourced semiconductor packaging and test services in the United States, Japan, Europe, the Middle East, Africa, and the rest of the Asia Pacific. It offers turnkey packaging and test services, including semiconductor wafer bump, wafer probe, wafer back-grind, package design, packaging, and test and drop shipment services. The company also provides flip chip-scale package products for use in smartphones, tablets, and other mobile consumer electronic devices; flip-chip stacked chip-scale packages that are used to stack memory on top of digital baseband, and as applications processors in mobile devices; and flip-chip ball grid array packages for various networking, storage, computing, and consumer applications. In addition, it offers wafer-level CSP packages that are used in power management, transceivers, sensors, wireless charging, codecs, radar, and specialty silicon; wafer-level fan-out packages for use in ICs; and silicon wafer integrated fan-out technology, which replaces a laminate substrate with a thinner structure. Further, the company provides lead frame packages that are used in electronic devices for low to medium pin count analog and mixed-signal applications; substrate-based wirebond packages, which are used to connect a die to a substrate; micro-electro-mechanical systems (MEMS) packages that are miniaturized mechanical and electromechanical devices; and advanced system-in-package modules, which are used in radio frequency and front end modules, basebands, connectivity, fingerprint sensors, display and touch screen drivers, sensors and MEMS, and NAND memory and solid-state drives. It primarily serves integrated device manufacturers, fabless semiconductor companies, original equipment manufacturers, and contract foundries. Amkor Technology, Inc. was founded in 1968 and is headquartered in Tempe, Arizona.

At a Glance

Live Snapshot
Market Cap$18.64B
EPS1.5100
P/E Ratio49.80
Earnings Date07/27/2026

SEC Filings

AMKR - Filing history and reports

Filing TypeFiling DatePeriod EndingFiscal YearActions
8-K

8-K 2026

N/A

May 21, 2026
May 21, 2026
2026
8-K

8-K 2026

N/A

May 19, 2026
May 13, 2026
2026
8-K

8-K 2026

N/A

May 05, 2026
April 30, 2026
2026
8-K

8-K 2026

N/A

May 01, 2026
April 30, 2026
2026
8-K

8-K 2026

N/A

April 30, 2026
April 30, 2026
2026
10-Q

10-Q 2026 Q1

Q1

April 28, 2026
March 31, 2026
2026
8-K

8-K 2026

N/A

April 27, 2026
April 27, 2026
2026
DEF 14A

DEF 14A 2026

N/A

April 02, 2026
May 13, 2026
2026
10-K

10-K 2025 FY

FY

February 20, 2026
December 31, 2025
2025
8-K

8-K 2026

N/A

February 13, 2026
February 12, 2026
2026
Showing 1 to 10 of 533 filings

Understanding SEC Filings

Essential regulatory documents for investors

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10-K

Annual Report

Comprehensive annual financial report filed within 60-90 days of fiscal year-end. Includes audited financial statements, management discussion & analysis (MD&A), risk factors, and detailed business operations. The most thorough financial disclosure of the year.

Filed annually
10-Q

Quarterly Report

Unaudited quarterly financial report filed within 40-45 days after each of the first three fiscal quarters. Provides updates on financial position, results of operations, and significant events. Essential for tracking quarterly performance trends.

Filed 3 times per year
8-K

Current Report

Event-driven filing for material events that shareholders should know about, filed within 4 business days. Includes acquisitions, executive changes, bankruptcy, earnings releases, and other significant developments. Critical for staying informed about breaking news.

Filed as events occur
DEF 14A

Proxy Statement

Definitive proxy statement sent to shareholders before annual meetings. Contains executive compensation details, board member information, voting matters, and corporate governance policies. Key for understanding management incentives and board composition.

Filed before shareholder meetings
S-1

Registration Statement

Initial registration for securities offerings, including IPOs. Provides detailed company history, business model, financial statements, risk factors, and use of proceeds. Essential for evaluating new investment opportunities and understanding company fundamentals.

Filed for new offerings
20-F

Foreign Annual Report

Annual report for foreign private issuers, equivalent to Form 10-K for non-U.S. companies. Filed within 4-6 months of fiscal year-end. Contains audited financials, business description, and regulatory disclosures adapted for international companies.

Foreign companies only

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