Company Analysis

Amkor Technology, Inc. (AMKR)

Nasdaq: AMKR · Semiconductors & Related Devices · Tempe, AZ · filing with the SEC since 1997
Grade5.3
◀ Past 6.4● Present 5.6▶ Future 3.8

Filings

207 filings since 2017 beside 969 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026
Due nextLarge accelerated filer
10-K Annual report for the fiscal year ending Dec 31, 2026Large accelerated filers have 60 days after the fiscal year ends. by Mar 1, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Large accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end. by May 10, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 26 days after the quarter ended. The proxy statement was last filed Apr 2, 2026.

Filings a yearinsider forms included
7674102138188152172167
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 7 times in the last 36 months, the newest Feb 2, 2026.
Insider forms 969

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Oct 27, 2026 10-Q Quarterly report Sep 30, 2026
Oct 26, 2026 8-K items 2.02, 9.01 Results released · Current report
Jul 28, 2026 10-Q Quarterly report Jun 30, 2026
Jul 27, 2026 8-K items 2.02, 9.01 Results released · Current report
May 22, 2026 SD Conflict minerals report
May 21, 2026 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
May 19, 2026 8-K item 5.07 Shareholder vote · Current report May 13, 2026
May 5, 2026 SCHEDULE 13D/A Activist holder update, amended
May 5, 2026 8-K items 1.01, 2.03, 3.02, 9.01 Major agreement signed; New debt or obligation taken on; Shares sold without registration · Current report Apr 30, 2026
May 1, 2026 8-K items 8.01, 9.01 Other event · Current report Apr 30, 2026
Apr 30, 2026 8-K items 8.01, 9.01 Other event · Current report
Apr 28, 2026 10-Q Quarterly report Mar 31, 2026
Apr 27, 2026 8-K items 2.02, 9.01 Results released · Current report
Apr 9, 2026 SCHEDULE 13G/A Large holder update, amended
Apr 2, 2026 ARS Annual report to shareholders Dec 31, 2025
Apr 2, 2026 DEFA14A Extra proxy material
Apr 2, 2026 DEF 14A Proxy statement May 13, 2026
Mar 26, 2026 SCHEDULE 13G/A Large holder update, amended
Feb 20, 2026 10-K Annual report Dec 31, 2025
Feb 17, 2026 SCHEDULE 13D/A Activist holder update, amended
Feb 13, 2026 424B7 Resale prospectus supplement
Feb 13, 2026 FWP Offering communication
Feb 13, 2026 8-K items 8.01, 9.01 Other event · Current report Feb 12, 2026
Feb 12, 2026 424B7 Resale prospectus supplement
Feb 12, 2026 FWP Offering communication
Feb 9, 2026 8-K items 2.02, 9.01 Results released · Current report
Feb 2, 2026 8-K item 5.02 Officer or director change · Current report
Nov 3, 2025 8-K item 5.02 Officer or director change · Current report Oct 28, 2025
Oct 28, 2025 10-Q Quarterly report Sep 30, 2025
Oct 27, 2025 8-K items 2.02, 5.02, 7.01, 9.01 Results released; Officer or director change; Investor disclosure (Regulation FD) · Current report Oct 21, 2025
Sep 22, 2025 8-K items 1.01, 2.03, 8.01, 9.01 Major agreement signed; New debt or obligation taken on; Other event · Current report
Sep 8, 2025 8-K items 8.01, 9.01 Other event · Current report
Sep 8, 2025 8-K items 8.01, 9.01 Other event · Current report
Jul 29, 2025 10-Q Quarterly report Jun 30, 2025
Jul 28, 2025 8-K items 2.02, 9.01 Results released · Current report
Jul 1, 2025 8-K items 1.01, 2.03, 8.01, 9.01 Major agreement signed; New debt or obligation taken on; Other event · Current report Jun 27, 2025
May 22, 2025 SD Conflict minerals report
May 20, 2025 8-K item 5.07 Shareholder vote · Current report May 15, 2025
May 16, 2025 SCHEDULE 13D/A Activist holder update, amended
May 13, 2025 8-K items 1.01, 1.02, 2.03, 9.01 Major agreement signed; Major agreement ended; New debt or obligation taken on · Current report May 9, 2025
40 of 207 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton AMKR · research, not advice