MAGNACHIP SEMICONDUCTOR Corp SEC filings MX
MAGNACHIP SEMICONDUCTOR Corp has 976 filings in SEC EDGAR's recent list, going back to Apr 26, 2005. Its latest annual report, Form ARS, was filed on Apr 30, 2026 for the period ended Apr 30, 2026. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| DEF 14A | Proxy statement | Apr 30, 2026 | Jun 11, 2026 |
| DEF 14A | Proxy statement | Apr 29, 2025 | Jun 23, 2025 |
| DEF 14A | Proxy statement | Apr 29, 2024 | Jun 13, 2024 |
| DEFA14A | Additional proxy material | May 1, 2023 | — |
| DEF 14A | Proxy statement | Apr 17, 2023 | — |
| DEF 14A | Proxy statement | Mar 21, 2022 | Apr 21, 2022 |
| DEFA14A | Additional proxy material | Aug 30, 2021 | — |
| DEFA14A | Additional proxy material | Aug 23, 2021 | — |
| DEFA14A | Additional proxy material | Jul 29, 2021 | — |
| DEFA14A | Additional proxy material | Jul 9, 2021 | — |
| DEFA14A | Additional proxy material | Jul 1, 2021 | — |
| DEFA14A | Additional proxy material | Jun 17, 2021 | — |
| DEFA14A | Additional proxy material | Jun 17, 2021 | — |
| DEFA14A | Additional proxy material | Jun 16, 2021 | — |
| DEFA14A | Additional proxy material | Jun 14, 2021 | — |
| DEFA14A | Additional proxy material | Jun 4, 2021 | — |
| DEFA14A | Additional proxy material | May 19, 2021 | — |
| DEFM14A | Filing | May 7, 2021 | — |
| PREM14A | Filing | Apr 19, 2021 | Apr 19, 2021 |
| DEFA14A | Additional proxy material | Apr 5, 2021 | — |
| DEFA14A | Additional proxy material | Mar 29, 2021 | — |
| DEFA14A | Additional proxy material | Mar 26, 2021 | — |
| DEF 14A | Proxy statement | Apr 29, 2020 | Jun 11, 2020 |
| DEF 14A | Proxy statement | Apr 30, 2019 | Jun 11, 2019 |
| DEF 14A | Proxy statement | Apr 27, 2018 | Jun 12, 2018 |
| DEF 14A | Proxy statement | May 31, 2017 | Jul 12, 2017 |
| DEF 14A | Proxy statement | Jun 27, 2016 | Aug 8, 2016 |
| DEFA14A | Additional proxy material | May 27, 2016 | — |
| DEF 14A | Proxy statement | Jul 20, 2015 | Aug 11, 2015 |
| DEF 14A | Proxy statement | Apr 22, 2013 | May 29, 2013 |
| DEF 14A | Proxy statement | Apr 23, 2012 | May 30, 2012 |
Showing 31 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
- MX (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Cheongju-Si
- SEC filer status
- Accelerated filer, Smaller reporting company
- SEC CIK
- 1325702
- Former names
- MAGNACHIP SEMICONDUCTOR Corp (until Nov 5, 2026); MAGNACHIP SEMICONDUCTOR LLC (until Mar 8, 2011)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.