MAGNACHIP SEMICONDUCTOR Corp
45 SEC EDGAR filings indexed (CIK 0001325702) across 13 form types.
Filing profile
MAGNACHIP SEMICONDUCTOR Corp (MX) has 45 SEC filings indexed on SecFilingDex, across 13 form types filed over roughly 3 years, from February 13, 2024 to August 18, 2026. The filer is classified under Semiconductors & Related Devices (SIC 3674).
Its most frequent disclosure is the Form 4 (Insider transaction) with 8 filings — Statement of changes in beneficial ownership filed by company officers, directors, and 10%+ owners. 27 of these filings were disclosed in the twelve months to August 18, 2026. 8 of the 45 are amendments (a corrected or updated version of an earlier filing).
Disclosure mix
- 8Form 4Insider transaction · within 2 business days of transaction
- 810-QQuarterly report · quarterly
- 88-KMaterial event · event-driven
- 4Form 3Initial insider ownership · within 10 days of becoming an insider
- 48-K/AMaterial event · event-driven
- 3DEF 14AProxy statement · annual (pre-meeting)
- 310-KAnnual report · annual
- 2SC 13G/A5%+ passive stake · event-driven
- 1424B3Updated prospectus · event-driven
- 1424B5Prospectus supplement · event-driven
- 1Form 3/AInitial insider ownership · within 10 days of becoming an insider
- 1Form 4/AInsider transaction · within 2 business days of transaction
- 1SC 13G5%+ passive stake · event-driven
Profile derived from 45 indexed filings; every figure traces to the filing records above, each linking back to its original SEC EDGAR document. Filing counts reflect SecFilingDex's current index, not the filer's complete EDGAR history.
All filings
- Form 4Insider transaction · period of report Aug 15, 2026Filed · 0001193125-26-355557
- 10-QQuarterly report · period of report Jun 30, 2026Filed · 0001193125-26-342416
- Form 4Insider transaction · period of report Aug 1, 2026Filed · 0001193125-26-329404
- Form 4Insider transaction · period of report Aug 1, 2026Filed · 0001193125-26-330657
- Form 4Insider transaction · period of report Aug 1, 2026Filed · 0001193125-26-330658
- Form 4Insider transaction · period of report Aug 1, 2026Filed · 0001193125-26-330663
- 8-KMaterial event · period of report Jul 29, 2026Filed · 0001193125-26-323843
- Form 3Initial insider ownership · period of report Jul 1, 2026Filed · 0001193125-26-296203
- Form 4Insider transaction · period of report Jul 1, 2026Filed · 0001193125-26-296284
- 8-KMaterial event · period of report Jun 30, 2026Filed · 0001193125-26-289285
- 8-KMaterial event · period of report Jun 11, 2026Filed · 0001193125-26-273349
- 424B3Updated prospectusFiled · 0001193125-26-274348
- 424B5Prospectus supplementFiled · 0001193125-26-274353
- 8-KMaterial event · period of report Jun 17, 2026Filed · 0001193125-26-274356
- Form 4Insider transaction · period of report Jun 1, 2026Filed · 0001193125-26-255552
- Form 4Insider transaction · period of report Jun 1, 2026Filed · 0001193125-26-255556
- 10-QQuarterly report · period of report Mar 31, 2026Filed · 0001193125-26-214750
- DEF 14AProxy statementFiled · 0001193125-26-197484
- 8-KMaterial event · period of report Apr 28, 2026Filed · 0001193125-26-187239
- 10-KAnnual report · period of report Dec 31, 2025Filed · 0001193125-26-108435
- 8-KMaterial event · period of report Mar 4, 2026Filed · 0001193125-26-091641
- Form 3Initial insider ownership · period of report Jan 14, 2026Filed · 0001193125-26-022663
- 8-KMaterial event · period of report Jan 14, 2026Filed · 0001193125-26-015926
- 8-KMaterial event · period of report Jan 13, 2026Filed · 0001193125-26-012251
- 10-QQuarterly report · period of report Sep 30, 2025Filed · 0001193125-25-274333
- 8-K/AMaterial event · period of report Aug 8, 2025Filed · 0001193125-25-230199
- 8-K/AMaterial event · period of report May 21, 2025Filed · 0001193125-25-198733
- 10-QQuarterly report · period of report Jun 30, 2025Filed · 0001193125-25-173550
- 8-K/AMaterial event · period of report Apr 8, 2025Filed · 0001193125-25-118848
- 10-QQuarterly report · period of report Mar 31, 2025Filed · 0001193125-25-117840
- DEF 14AProxy statement · period of report Jun 23, 2025Filed · 0001193125-25-103977
- 10-KAnnual report · period of report Dec 31, 2024Filed · 0001193125-25-054851
- 8-K/AMaterial event · period of report Mar 11, 2025Filed · 0001193125-25-054857
- 10-QQuarterly report · period of report Sep 30, 2024Filed · 0001193125-24-253153
- Form 3Initial insider ownership · period of report Aug 1, 2024Filed · 0000950170-24-095557
- 10-QQuarterly report · period of report Jun 30, 2024Filed · 0001193125-24-196988
- Form 3/AInitial insider ownership · period of report May 1, 2024Filed · 0000950170-24-082976
- Form 4/AInsider transaction · period of report Jun 1, 2024Filed · 0000950170-24-082977
- Form 3Initial insider ownership · period of report May 1, 2024Filed · 0000950170-24-058633
- 10-QQuarterly report · period of report Mar 31, 2024Filed · 0001193125-24-136202
- DEF 14AProxy statement · period of report Jun 13, 2024Filed · 0001193125-24-122526
- 10-KAnnual report · period of report Dec 31, 2023Filed · 0001193125-24-063674
- SC 13G/A5%+ passive stakeFiled · 0001532155-24-000074
- SC 13G5%+ passive stakeFiled · 0001085936-24-000016
- SC 13G/A5%+ passive stakeFiled · 0001214659-24-002388
Authoritative source
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