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 |
|---|---|---|---|
| 8-K |
Current report
Results of operations
|
Nov 4, 2026 | Nov 4, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
|
Sep 21, 2026 | Jul 29, 2026 |
| 8-K |
Current report
Results of operations
|
Jul 29, 2026 | Jul 29, 2026 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jun 30, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Material agreement
|
Jun 17, 2026 | Jun 17, 2026 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 17, 2026 | Jun 11, 2026 |
| 8-K |
Current report
Results of operations
|
Apr 28, 2026 | Apr 28, 2026 |
| 8-K |
Current report
Results of operations
|
Mar 4, 2026 | Mar 4, 2026 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jan 20, 2026 | Jan 14, 2026 |
| 8-K |
Current report
Officer or director change
|
Jan 14, 2026 | Jan 13, 2026 |
| 8-K |
Current report
Results of operations
|
Nov 3, 2025 | Nov 3, 2025 |
| 8-K/A |
Amended current report
Officer or director change
|
Oct 3, 2025 | Aug 8, 2025 |
| 8-K/A |
Amended current report
Officer or director change
|
Sep 9, 2025 | May 21, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Aug 11, 2025 | Aug 8, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2025 | Jul 31, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jun 26, 2025 | Jun 23, 2025 |
| 8-K |
Current report
Officer or director change
|
May 23, 2025 | May 21, 2025 |
| 8-K/A |
Amended current report
Exit or restructuring costs
|
May 13, 2025 | Apr 8, 2025 |
| 8-K |
Current report
Results of operations
|
May 12, 2025 | May 12, 2025 |
| 8-K |
Current report
Officer or director change
|
Apr 30, 2025 | Apr 28, 2025 |
| 8-K |
Current report
Exit or restructuring costs, Regulation FD disclosure
|
Apr 8, 2025 | Apr 8, 2025 |
| 8-K/A |
Amended current report
Auditor change
|
Mar 14, 2025 | Mar 11, 2025 |
| 8-K |
Current report
Auditor change
|
Mar 14, 2025 | Mar 11, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 12, 2025 | Mar 12, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 19, 2024 | Dec 16, 2024 |
| 8-K |
Current report
Results of operations
|
Oct 30, 2024 | Oct 30, 2024 |
| 8-K |
Current report
Officer or director change
|
Jul 31, 2024 | Jul 29, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2024 | Jul 31, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 20, 2024 | Jun 13, 2024 |
| 8-K |
Current report
Results of operations
|
May 2, 2024 | May 2, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Mar 29, 2024 | Mar 26, 2024 |
| 8-K |
Current report
Officer or director change
|
Mar 26, 2024 | Mar 22, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 28, 2024 | Feb 28, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2023 | Nov 2, 2023 |
| 8-K |
Current report
Officer or director change
|
Sep 6, 2023 | Sep 6, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2023 | Aug 7, 2023 |
| 8-K |
Current report
Officer or director change
|
Jul 26, 2023 | Jul 24, 2023 |
| 8-K |
Current report
Officer or director change
|
Jul 17, 2023 | Jul 14, 2023 |
| 8-K |
Current report
Officer or director change
|
Jun 23, 2023 | May 18, 2023 |
| 8-K |
Current report
Officer or director change
|
May 23, 2023 | May 19, 2023 |
| 8-K |
Current report
Shareholder vote results
|
May 19, 2023 | May 18, 2023 |
| 8-K |
Current report
Results of operations
|
May 3, 2023 | May 3, 2023 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
May 1, 2023 | Apr 28, 2023 |
| 8-K |
Current report
Material agreement, Other events
|
Apr 13, 2023 | Apr 11, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 16, 2023 | Feb 16, 2023 |
| 8-K/A |
Amended current report
Results of operations
|
Nov 4, 2022 | Nov 2, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2022 | Nov 2, 2022 |
| 8-K |
Current report
Other events
|
Sep 13, 2022 | Sep 12, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2022 | Aug 8, 2022 |
| 8-K |
Current report
Results of operations
|
May 3, 2022 | May 3, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Apr 25, 2022 | Apr 21, 2022 |
| 8-K |
Current report
Material agreement, Agreement ended, Regulation FD disclosure
|
Apr 6, 2022 | Apr 4, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 14, 2022 | Mar 14, 2022 |
| 8-K |
Current report
Results of operations
|
Feb 16, 2022 | Feb 16, 2022 |
| 8-K |
Current report
Other events
|
Jan 31, 2022 | Jan 31, 2022 |
| 8-K |
Current report
Listing notice
|
Jan 7, 2022 | Jan 4, 2022 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jan 3, 2022 | Dec 29, 2021 |
| 8-K/A |
Amended current report
Material agreement, Regulation FD disclosure
|
Dec 23, 2021 | Dec 21, 2021 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Dec 21, 2021 | Dec 21, 2021 |
| 8-K |
Current report
Agreement ended
|
Dec 21, 2021 | Dec 20, 2021 |
| 8-K |
Current report
Material agreement, Agreement ended, Change to shareholder rights, Bylaw or fiscal year change, Regulation FD disclosure, Other events
|
Dec 14, 2021 | Dec 13, 2021 |
| 8-K |
Current report
Other events
|
Oct 29, 2021 | Oct 28, 2021 |
| 8-K |
Current report
Results of operations
|
Oct 25, 2021 | Oct 25, 2021 |
| 8-K |
Current report
Other events
|
Sep 27, 2021 | Sep 25, 2021 |
| 8-K |
Current report
Other events
|
Sep 14, 2021 | Sep 13, 2021 |
| 8-K |
Current report
Other events
|
Aug 30, 2021 | Aug 27, 2021 |
| 8-K |
Current report
Material agreement
|
Aug 23, 2021 | Aug 23, 2021 |
| 8-K |
Current report
Other events
|
Aug 18, 2021 | Aug 18, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2021 | Aug 5, 2021 |
| 8-K |
Current report
Other events
|
Jul 29, 2021 | Jul 26, 2021 |
| 8-K |
Current report
Other events
|
Jul 9, 2021 | Jul 9, 2021 |
| 8-K |
Current report
Other events
|
Jul 1, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Other events
|
Jun 17, 2021 | Jun 16, 2021 |
| 8-K |
Current report
Other events
|
Jun 16, 2021 | Jun 15, 2021 |
| 8-K |
Current report
Material agreement, Other events
|
Jun 14, 2021 | Jun 11, 2021 |
| 8-K |
Current report
Other events
|
Jun 8, 2021 | Jun 8, 2021 |
| 8-K |
Current report
Other events
|
May 28, 2021 | May 26, 2021 |
| 8-K |
Current report
Results of operations
|
May 10, 2021 | May 10, 2021 |
| 8-K |
Current report
Officer or director change
|
Apr 23, 2021 | Apr 19, 2021 |
| 8-K |
Current report
Material agreement, Other events
|
Mar 29, 2021 | Mar 25, 2021 |
| 8-K |
Current report
Other events
|
Mar 26, 2021 | Mar 26, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 17, 2021 | Feb 17, 2021 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Dec 30, 2020 | Dec 30, 2020 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2020 | Oct 29, 2020 |
| 8-K |
Current report
Acquisition or sale of assets, Regulation FD disclosure, Other events
|
Sep 8, 2020 | Sep 1, 2020 |
| 8-K |
Current report
Results of operations, Other events
|
Jul 30, 2020 | Jul 30, 2020 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jul 20, 2020 | Jul 16, 2020 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 17, 2020 | Jun 11, 2020 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
May 21, 2020 | May 21, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
May 7, 2020 | May 6, 2020 |
| 8-K |
Current report
Results of operations
|
May 6, 2020 | May 6, 2020 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Mar 31, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Officer or director change
|
Mar 27, 2020 | Mar 26, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 10, 2020 | Mar 10, 2020 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Mar 2, 2020 | Feb 28, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 20, 2020 | Feb 20, 2020 |
| 8-K |
Current report
Results of operations
|
Feb 19, 2020 | Feb 19, 2020 |
| 8-K |
Current report
Results of operations
|
Oct 23, 2019 | Oct 23, 2019 |
| 8-K |
Current report
Results of operations
|
Jul 30, 2019 | Jul 30, 2019 |
| 8-K |
Current report
Shareholder vote results
|
Jun 17, 2019 | Jun 11, 2019 |
| 8-K |
Current report
Results of operations
|
Apr 30, 2019 | Apr 30, 2019 |
| 8-K |
Current report
Results of operations
|
Feb 14, 2019 | Feb 14, 2019 |
| 8-K |
Current report
Officer or director change
|
Jan 11, 2019 | Jan 9, 2019 |
| 8-K |
Current report
Results of operations
|
Oct 30, 2018 | Oct 30, 2018 |
| 8-K |
Current report
Officer or director change
|
Oct 26, 2018 | Oct 22, 2018 |
| 8-K |
Current report
Officer or director change
|
Aug 3, 2018 | Aug 3, 2018 |
| 8-K |
Current report
Results of operations
|
Jul 30, 2018 | Jul 30, 2018 |
| 8-K |
Current report
Shareholder vote results
|
Jun 18, 2018 | Jun 12, 2017 |
| 8-K |
Current report
Results of operations
|
Apr 30, 2018 | Apr 30, 2018 |
| 8-K |
Current report
Officer or director change
|
Apr 27, 2018 | Apr 26, 2018 |
| 8-K |
Current report
Results of operations
|
Feb 6, 2018 | Feb 6, 2018 |
| 8-K |
Current report
Other events
|
Nov 30, 2017 | Nov 29, 2017 |
| 8-K |
Current report
Results of operations
|
Nov 1, 2017 | Nov 1, 2017 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Aug 11, 2017 | Aug 9, 2017 |
| 8-K |
Current report
Other events
|
Aug 9, 2017 | Aug 6, 2017 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2017 | Aug 3, 2017 |
| 8-K |
Current report
Shareholder vote results
|
Jul 14, 2017 | Jul 12, 2017 |
| 8-K |
Current report
Regulation FD disclosure
|
May 10, 2017 | May 9, 2017 |
| 8-K |
Current report
Results of operations
|
May 3, 2017 | May 3, 2017 |
| 8-K |
Current report
Exit or restructuring costs
|
Feb 23, 2017 | Feb 22, 2017 |
| 8-K |
Current report
Results of operations
|
Feb 9, 2017 | Feb 9, 2017 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Jan 17, 2017 | Jan 17, 2017 |
| 8-K |
Current report
Other events
|
Jan 11, 2017 | Jan 11, 2017 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Jan 10, 2017 | Jan 10, 2017 |
| 8-K |
Current report
Other events
|
Dec 6, 2016 | Dec 1, 2016 |
| 8-K |
Current report
Results of operations
|
Oct 27, 2016 | Oct 27, 2016 |
| 8-K |
Current report
Other events
|
Oct 24, 2016 | Oct 18, 2016 |
| 8-K |
Current report
Other events
|
Oct 11, 2016 | Oct 6, 2016 |
| 8-K |
Current report
Officer or director change
|
Sep 9, 2016 | Sep 8, 2016 |
| 8-K |
Current report
Material agreement, Change to shareholder rights, Other events
|
Sep 2, 2016 | Sep 2, 2016 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Aug 10, 2016 | Aug 8, 2016 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2016 | Aug 3, 2016 |
| 8-K |
Current report
Other events
|
Jul 21, 2016 | Jul 18, 2016 |
| 8-K |
Current report
Officer or director change
|
Jun 27, 2016 | Jun 23, 2016 |
| 8-K |
Current report
Other events
|
Jun 15, 2016 | Jun 10, 2016 |
| 8-K |
Current report
Material agreement, Other events
|
May 27, 2016 | May 26, 2016 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change
|
May 6, 2016 | May 3, 2016 |
| 8-K |
Current report
Results of operations
|
May 5, 2016 | May 5, 2016 |
| 8-K/A |
Amended current report
Exit or restructuring costs
|
May 5, 2016 | Apr 4, 2016 |
| 8-K |
Current report
Exit or restructuring costs
|
Apr 4, 2016 | Apr 4, 2016 |
| 8-K |
Current report
Material agreement, Change to shareholder rights, Other events
|
Mar 2, 2016 | Mar 2, 2016 |
| 8-K |
Current report
Results of operations
|
Feb 17, 2016 | Feb 17, 2016 |
| 8-K |
Current report
Other events
|
Jan 25, 2016 | Jan 20, 2016 |
| 8-K |
Current report
Results of operations
|
Jan 19, 2016 | Jan 19, 2016 |
| 8-K |
Current report
Other events
|
Jan 12, 2016 | Jan 11, 2016 |
| 8-K |
Current report
Officer or director change
|
Dec 31, 2015 | Dec 28, 2015 |
| 8-K |
Current report
Other events
|
Dec 11, 2015 | Dec 10, 2015 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2015 | Oct 29, 2015 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Aug 20, 2015 | Aug 17, 2015 |
| 8-K |
Current report
Shareholder vote results
|
Aug 13, 2015 | Aug 11, 2015 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2015 | Aug 6, 2015 |
| 8-K |
Current report
Other events
|
Jul 10, 2015 | Jul 9, 2015 |
| 8-K |
Current report
Other events
|
Jun 17, 2015 | Jun 17, 2015 |
| 8-K |
Current report
Results of operations, Officer or director change
|
May 28, 2015 | May 21, 2015 |
| 8-K |
Current report
Officer or director change, Other events
|
May 4, 2015 | Apr 30, 2015 |
| 8-K/A |
Amended current report
Exit or restructuring costs, Impairment
|
Apr 17, 2015 | Dec 4, 2014 |
| 8-K |
Current report
Listing notice
|
Apr 6, 2015 | Apr 1, 2015 |
| 8-K |
Current report
Material agreement, Change to shareholder rights, Bylaw or fiscal year change, Other events
|
Mar 6, 2015 | Mar 5, 2015 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 13, 2015 | Feb 13, 2015 |
| 8-K |
Current report
Other events
|
Jan 28, 2015 | Jan 28, 2015 |
| 8-K |
Current report
Other events
|
Dec 31, 2014 | Dec 31, 2014 |
| 8-K |
Current report
Exit or restructuring costs, Impairment
|
Dec 5, 2014 | Dec 4, 2014 |
| 8-K |
Current report
Listing notice
|
Oct 7, 2014 | Oct 3, 2014 |
| 8-K |
Current report
Officer or director change
|
Aug 6, 2014 | Jul 31, 2014 |
| 8-K | Current report | Jun 25, 2014 | Jun 20, 2014 |
| 8-K |
Current report
Officer or director change, Other events
|
May 20, 2014 | May 19, 2014 |
| 8-K |
Current report
Officer or director change
|
Apr 17, 2014 | Apr 14, 2014 |
| 8-K |
Current report
Listing notice
|
Apr 4, 2014 | Apr 2, 2014 |
| 8-K |
Current report
Officer or director change, Other events
|
Mar 28, 2014 | Mar 25, 2014 |
| 8-K |
Current report
Results of operations, Restatement, Officer or director change, Other events
|
Mar 11, 2014 | Mar 6, 2014 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 27, 2014 | Jan 27, 2014 |
| 8-K |
Current report
Other events
|
Dec 13, 2013 | Dec 12, 2013 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2013 | Oct 29, 2013 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 11, 2013 | Sep 9, 2013 |
| 8-K |
Current report
Results of operations, Other events
|
Jul 30, 2013 | Jul 30, 2013 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt
|
Jul 18, 2013 | Jul 18, 2013 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 15, 2013 | Jul 15, 2013 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 24, 2013 | Jun 24, 2013 |
| 8-K |
Current report
Shareholder vote results
|
Jun 3, 2013 | May 29, 2013 |
| 8-K |
Current report
Results of operations
|
Apr 30, 2013 | Apr 30, 2013 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Feb 6, 2013 | Feb 5, 2013 |
| 8-K |
Current report
Results of operations
|
Jan 30, 2013 | Jan 30, 2013 |
| 8-K |
Current report
Results of operations
|
Nov 1, 2012 | Nov 1, 2012 |
| 8-K |
Current report
Other events
|
Aug 13, 2012 | Aug 7, 2012 |
| 8-K |
Current report
Results of operations
|
Aug 2, 2012 | Aug 2, 2012 |
| 8-K |
Current report
Shareholder vote results
|
Jun 5, 2012 | May 30, 2012 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
May 2, 2012 | May 1, 2012 |
| 8-K |
Current report
Results of operations
|
Apr 25, 2012 | Apr 25, 2012 |
| 8-K |
Current report
Results of operations
|
Feb 1, 2012 | Feb 1, 2012 |
| 8-K |
Current report
Results of operations
|
Oct 26, 2011 | Oct 26, 2011 |
| 8-K |
Current report
Results of operations, Other events
|
Oct 11, 2011 | Oct 11, 2011 |
| 8-K |
Current report
Officer or director change
|
Aug 22, 2011 | Aug 16, 2011 |
| 8-K |
Current report
Officer or director change
|
Aug 15, 2011 | Aug 10, 2011 |
| 8-K |
Current report
Results of operations
|
Jul 27, 2011 | Jul 27, 2011 |
| 8-K |
Current report
Material agreement
|
May 16, 2011 | May 11, 2011 |
| 8-K |
Current report
Results of operations
|
Apr 27, 2011 | Apr 27, 2011 |
| 8-K |
Current report
Material agreement, Change to shareholder rights, Officer or director change, Bylaw or fiscal year change, Other events
|
Mar 11, 2011 | Mar 10, 2011 |
| 8-K |
Current report
Results of operations
|
Feb 1, 2011 | Feb 1, 2011 |
| 8-K |
Current report
Results of operations
|
Oct 28, 2010 | Oct 28, 2010 |
| 8-K |
Current report
Material agreement
|
Dec 19, 2008 | Dec 16, 2008 |
Showing 200 filings, the most recent 200. 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)
Other Semiconductors & Related Devices companies
- Nvidia Corp NVDA
- Broadcom Inc. AVGO
- Micron Technology Inc MU
- Advanced Micro Devices Inc AMD
- Intel Corp INTC
- Applied Materials Inc /DE AMAT
- Texas Instruments Inc TXN
- Arm Holdings PLC /UK ARM
Source: SEC EDGAR filings. This is company-reported data, not investment advice.