Amkor Technology, Inc. SEC filings AMKR
Amkor Technology, Inc. has 1,000 filings in SEC EDGAR's recent list, going back to Oct 28, 2019. Its latest annual report, Form ARS, was filed on Apr 2, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 27, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 26, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Oct 27, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 26, 2026 | Oct 26, 2026 |
| 10-Q | Quarterly report | Jul 28, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Jul 27, 2026 | Jul 27, 2026 |
| SD | Specialized disclosure (conflict minerals) | May 22, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure
|
May 21, 2026 | May 21, 2026 |
| 8-K |
Current report
Shareholder vote results
|
May 19, 2026 | May 13, 2026 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
May 5, 2026 | Apr 30, 2026 |
| 8-K |
Current report
Other events
|
May 1, 2026 | Apr 30, 2026 |
| 8-K |
Current report
Other events
|
Apr 30, 2026 | Apr 30, 2026 |
| 10-Q | Quarterly report | Apr 28, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
Apr 27, 2026 | Apr 27, 2026 |
| ARS | Annual report to shareholders | Apr 2, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 2, 2026 | — |
| DEF 14A | Proxy statement | Apr 2, 2026 | May 13, 2026 |
| 10-K | Annual report | Feb 20, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Other events
|
Feb 13, 2026 | Feb 12, 2026 |
| 424B7 | Filing | Feb 13, 2026 | — |
| FWP | Free writing prospectus | Feb 13, 2026 | — |
| 424B7 | Filing | Feb 12, 2026 | — |
| FWP | Free writing prospectus | Feb 12, 2026 | — |
| 8-K |
Current report
Results of operations
|
Feb 9, 2026 | Feb 9, 2026 |
| 8-K |
Current report
Officer or director change
|
Feb 2, 2026 | Feb 2, 2026 |
| 8-K |
Current report
Officer or director change
|
Nov 3, 2025 | Oct 28, 2025 |
| 10-Q | Quarterly report | Oct 28, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations, Officer or director change, Regulation FD disclosure
|
Oct 27, 2025 | Oct 21, 2025 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Sep 22, 2025 | Sep 22, 2025 |
| 8-K |
Current report
Other events
|
Sep 8, 2025 | Sep 8, 2025 |
| 8-K |
Current report
Other events
|
Sep 8, 2025 | Sep 8, 2025 |
| 10-Q | Quarterly report | Jul 29, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 28, 2025 | Jul 28, 2025 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Jul 1, 2025 | Jun 27, 2025 |
| SD | Specialized disclosure (conflict minerals) | May 22, 2025 | — |
| 8-K |
Current report
Shareholder vote results
|
May 20, 2025 | May 15, 2025 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt
|
May 13, 2025 | May 9, 2025 |
| 10-Q | Quarterly report | Apr 29, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
Apr 28, 2025 | Apr 28, 2025 |
| ARS | Annual report to shareholders | Apr 4, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 4, 2025 | — |
| DEF 14A | Proxy statement | Apr 4, 2025 | May 15, 2025 |
| PRE 14A | Preliminary proxy statement | Mar 25, 2025 | May 15, 2025 |
| 10-K | Annual report | Feb 21, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 10, 2025 | Feb 10, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Dec 16, 2024 | Dec 15, 2024 |
| 10-Q | Quarterly report | Oct 29, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Oct 28, 2024 | Oct 28, 2024 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Sep 18, 2024 | Sep 16, 2024 |
| 10-Q | Quarterly report | Jul 30, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 29, 2024 | Jul 29, 2024 |
| SD | Specialized disclosure (conflict minerals) | May 28, 2024 | — |
| 8-K |
Current report
Shareholder vote results
|
May 17, 2024 | May 14, 2024 |
| S-3ASR | Automatic shelf registration | May 1, 2024 | — |
| 10-Q | Quarterly report | May 1, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
Apr 29, 2024 | Apr 29, 2024 |
| PX14A6G | Filing | Apr 16, 2024 | — |
| ARS | Annual report to shareholders | Apr 12, 2024 | Dec 31, 2023 |
| DEF 14A | Proxy statement | Apr 12, 2024 | May 14, 2024 |
| 10-K | Annual report | Feb 16, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 5, 2024 | Feb 5, 2024 |
| 8-K |
Current report
Officer or director change
|
Dec 18, 2023 | Dec 14, 2023 |
| 8-K |
Current report
Officer or director change
|
Dec 15, 2023 | Dec 11, 2023 |
| 10-Q | Quarterly report | Nov 1, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Oct 30, 2023 | Oct 30, 2023 |
| 424B7 | Form 424(b)(7) | Sep 7, 2023 | — |
| 8-K |
Current report
Other events
|
Sep 7, 2023 | Sep 6, 2023 |
| FWP | Free writing prospectus | Sep 6, 2023 | — |
| 424B7 | Form 424(b)(7) | Sep 6, 2023 | — |
| 10-Q | Quarterly report | Aug 1, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2023 | Jul 31, 2023 |
| SD | Specialized disclosure (conflict minerals) | May 26, 2023 | — |
| 8-K |
Current report
Shareholder vote results
|
May 19, 2023 | May 16, 2023 |
| 10-Q | Quarterly report | May 3, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 1, 2023 | May 1, 2023 |
| ARS | Annual report to shareholders | Apr 12, 2023 | Dec 31, 2022 |
| DEF 14A | Proxy statement | Apr 12, 2023 | — |
| 10-K | Annual report | Feb 22, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Feb 13, 2023 | Feb 13, 2023 |
| 8-K |
Current report
Officer or director change
|
Nov 18, 2022 | Nov 15, 2022 |
| 10-Q | Quarterly report | Nov 3, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Oct 31, 2022 | Oct 31, 2022 |
| 10-Q | Quarterly report | Aug 4, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 1, 2022 | Aug 1, 2022 |
| 8-K |
Current report
Shareholder vote results
|
May 20, 2022 | May 17, 2022 |
| SD | Specialized disclosure (conflict minerals) | May 20, 2022 | — |
| 10-Q | Quarterly report | May 5, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 2, 2022 | May 2, 2022 |
| DEF 14A | Proxy statement | Apr 12, 2022 | May 17, 2022 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt
|
Mar 29, 2022 | Mar 28, 2022 |
| 10-K | Annual report | Feb 18, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 14, 2022 | Feb 14, 2022 |
| 10-Q | Quarterly report | Oct 29, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Oct 25, 2021 | Oct 25, 2021 |
| 8-K/A |
Amended current report
Officer or director change
|
Sep 28, 2021 | Sep 14, 2021 |
| 8-K |
Current report
Officer or director change
|
Sep 17, 2021 | Sep 14, 2021 |
| 10-Q | Quarterly report | Jul 30, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Jul 26, 2021 | Jul 26, 2021 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 20, 2021 | May 18, 2021 |
| SD | Specialized disclosure (conflict minerals) | May 20, 2021 | — |
| S-8 | Employee stock plan registration | May 18, 2021 | — |
| S-8 POS | Filing | May 18, 2021 | — |
| S-3ASR | Automatic shelf registration | Apr 30, 2021 | — |
| 10-Q | Quarterly report | Apr 30, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
Apr 26, 2021 | Apr 26, 2021 |
| DEF 14A | Proxy statement | Apr 12, 2021 | May 18, 2021 |
| 10-K | Annual report | Feb 19, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations
|
Feb 8, 2021 | Feb 8, 2021 |
| 8-K |
Current report
Officer or director change
|
Feb 5, 2021 | Feb 2, 2021 |
| 10-Q | Quarterly report | Oct 30, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Oct 26, 2020 | Oct 26, 2020 |
| S-8 POS | Filing | Jul 31, 2020 | — |
| S-8 POS | Filing | Jul 31, 2020 | — |
| S-8 POS | Filing | Jul 31, 2020 | — |
| S-8 POS | Filing | Jul 31, 2020 | — |
| S-8 POS | Filing | Jul 31, 2020 | — |
| S-8 POS | Filing | Jul 31, 2020 | — |
| 10-Q | Quarterly report | Jul 30, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations
|
Jul 27, 2020 | Jul 27, 2020 |
| 8-K |
Current report
Officer or director change
|
Jul 7, 2020 | Jul 4, 2020 |
| 8-K |
Current report
Officer or director change
|
Jun 26, 2020 | Jun 24, 2020 |
| 8-K/A |
Amended current report
Officer or director change, Other events
|
Jun 19, 2020 | Jun 17, 2020 |
| 8-K |
Current report
Officer or director change, Other events
|
Jun 17, 2020 | Jun 17, 2020 |
| SD | Specialized disclosure (conflict minerals) | May 27, 2020 | — |
| 8-K |
Current report
Shareholder vote results
|
May 21, 2020 | May 19, 2020 |
| 10-Q | Quarterly report | Apr 30, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
Apr 27, 2020 | Apr 27, 2020 |
| DEF 14A | Proxy statement | Apr 13, 2020 | May 19, 2020 |
| 10-K | Annual report | Feb 19, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Results of operations
|
Feb 10, 2020 | Feb 10, 2020 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 26, 2019 | Dec 23, 2019 |
| 10-Q | Quarterly report | Oct 31, 2019 | Sep 30, 2019 |
| 8-K |
Current report
Results of operations
|
Oct 28, 2019 | Oct 28, 2019 |
Showing 131 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Semiconductors & Related Devices (SIC 3674)
- Listed as
- AMKR (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Tempe, AZ
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1047127
- Former names
- AMKOR TECHNOLOGY INC (until Feb 19, 2015)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.