# MAGNACHIP SEMICONDUCTOR Corp: filings

MX · NYSE · CIK 1325702 · [Technology](/sectors/technology.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/mx.md) · [Financials](/companies/mx/financials.md) · [Filings](/companies/mx/filings.md) · [Insiders](/companies/mx/insiders.md)

## Reports and events: 312 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 303, 8-K 190, SC 13G/A 53, 10-Q 49, 3 39, SC 13G 26, UPLOAD 20, CORRESP 18, 10-K 16, DEFA14A 16, CT ORDER 15, SC 13D/A 15, DEF 14A 13, SD 13, S-1/A 12, S-8 12, EFFECT 9, 424B3 8, 424B7 8, 8-K/A 8, 4/A 7, ARS 5, 8-A12B 4, FWP 4, NT 10-Q 4, S-3 4, SCHEDULE 13G 4, 10-K/A 3, 8-A12B/A 3, CERTNYS 3, 3/A 2, NT 10-K 2, POS AM 2, RW 2, S-1 2, S-4 2, S-4/A 2, SC 13D 2, SCHEDULE 13G/A 2, 15-15D 1, 424B4 1, 424B5 1, 425 1, CERT 1, D 1, DEFM14A 1, DRS 1, DRSLTR 1, PREM14A 1, SCHEDULE 13D 1, SCHEDULE 13D/A 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-09-21 | 11:05 ET | [8-K](/filings/0001193125-26-396059.md) | 1.01 Entry into a material agreement; 3.02 Unregistered sale of equity; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-396059 |
| 2026-08-10 | 20:15 ET | [10-Q](/filings/0001193125-26-342416.md) | Quarterly report, period 2026-06-30 | 0001193125-26-342416 |
| 2026-07-29 | 20:30 ET | [8-K](/filings/0001193125-26-323843.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-323843 |
| 2026-06-30 | 10:10 ET | [8-K](/filings/0001193125-26-289285.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-289285 |
| 2026-06-17 | 21:02 ET | [8-K](/filings/0001193125-26-274356.md) | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0001193125-26-274356 |
| 2026-06-17 | 10:30 ET | [8-K](/filings/0001193125-26-273349.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-26-273349 |
| 2026-05-08 | 20:30 ET | [10-Q](/filings/0001193125-26-214750.md) | Quarterly report, period 2026-03-31 | 0001193125-26-214750 |
| 2026-04-30 | 20:30 ET | [DEF 14A](/filings/0001193125-26-197484.md) | Proxy statement, period 2026-06-11 | 0001193125-26-197484 |
| 2026-04-28 | 20:30 ET | [8-K](/filings/0001193125-26-187239.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-187239 |
| 2026-03-16 | 20:30 ET | [10-K](/filings/0001193125-26-108435.md) | Annual report, period 2025-12-31 | 0001193125-26-108435 |
| 2026-03-04 | 21:30 ET | [8-K](/filings/0001193125-26-091641.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-091641 |
| 2026-01-20 | 18:50 ET | [SCHEDULE 13D/A](/filings/0000921895-26-000103.md) | Ownership report, active investor, amended | 0000921895-26-000103 |
| 2026-01-20 | 11:40 ET | [8-K](/filings/0001193125-26-015926.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-015926 |
| 2026-01-14 | 11:40 ET | [8-K](/filings/0001193125-26-012251.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-26-012251 |
| 2025-11-20 | 21:29 ET | [SCHEDULE 13D](/filings/0000921895-25-003167.md) | Ownership report, active investor | 0000921895-25-003167 |
| 2025-11-10 | 21:23 ET | [10-Q](/filings/0001193125-25-274333.md) | Quarterly report, period 2025-09-30 | 0001193125-25-274333 |
| 2025-11-03 | 21:30 ET | [8-K](/filings/0001193125-25-262639.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-25-262639 |
| 2025-10-03 | 20:15 ET | [8-K/A](/filings/0001193125-25-230199.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-25-230199 |
| 2025-09-09 | 10:01 ET | [8-K/A](/filings/0001193125-25-198733.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-25-198733 |
| 2025-08-11 | 20:20 ET | [8-K](/filings/0001193125-25-177958.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-177958 |
| 2025-08-05 | 20:22 ET | [10-Q](/filings/0001193125-25-173550.md) | Quarterly report, period 2025-06-30 | 0001193125-25-173550 |
| 2025-07-31 | 20:21 ET | [8-K](/filings/0001193125-25-170547.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-25-170547 |
| 2025-06-26 | 20:23 ET | [8-K](/filings/0001193125-25-148979.md) | 5.07 Shareholder vote results | 0001193125-25-148979 |
| 2025-05-23 | 20:30 ET | [8-K](/filings/0001193125-25-125874.md) | 5.02 Departure or appointment of officers or directors | 0001193125-25-125874 |
| 2025-05-13 | 20:22 ET | [8-K/A](/filings/0001193125-25-118848.md) | 2.05 Exit or disposal costs | 0001193125-25-118848 |
| 2025-05-12 | 20:40 ET | [10-Q](/filings/0001193125-25-117840.md) | Quarterly report, period 2025-03-31 | 0001193125-25-117840 |
| 2025-05-12 | 20:20 ET | [8-K](/filings/0001193125-25-117802.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-25-117802 |
| 2025-04-30 | 20:54 ET | [8-K](/filings/0001193125-25-107531.md) | 5.02 Departure or appointment of officers or directors | 0001193125-25-107531 |
| 2025-04-29 | 20:45 ET | [DEF 14A](/filings/0001193125-25-103977.md) | Proxy statement, period 2025-06-23 | 0001193125-25-103977 |
| 2025-04-08 | 11:11 ET | [8-K](/filings/0001193125-25-075096.md) | 2.05 Exit or disposal costs; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-075096 |
| 2025-03-14 | 20:39 ET | [8-K/A](/filings/0001193125-25-054857.md) | 4.01 Change of auditor; 9.01 Financial statements and exhibits | 0001193125-25-054857 |
| 2025-03-14 | 20:35 ET | [10-K](/filings/0001193125-25-054851.md) | Annual report, period 2024-12-31 | 0001193125-25-054851 |
| 2025-03-14 | 20:16 ET | [8-K](/filings/0001193125-25-054810.md) | 4.01 Change of auditor; 9.01 Financial statements and exhibits | 0001193125-25-054810 |
| 2025-03-12 | 10:55 ET | [8-K](/filings/0001193125-25-052457.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-25-052457 |
| 2024-12-19 | 21:30 ET | [8-K](/filings/0001193125-24-282046.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation | 0001193125-24-282046 |
| 2024-11-07 | 21:21 ET | [10-Q](/filings/0001193125-24-253153.md) | Quarterly report, period 2024-09-30 | 0001193125-24-253153 |
| 2024-10-30 | 20:34 ET | [8-K](/filings/0001193125-24-247606.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-24-247606 |
| 2024-08-08 | 20:21 ET | [10-Q](/filings/0001193125-24-196988.md) | Quarterly report, period 2024-06-30 | 0001193125-24-196988 |
| 2024-07-31 | 20:20 ET | [8-K](/filings/0001193125-24-189946.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-24-189946 |
| 2024-07-31 | 20:15 ET | [8-K](/filings/0001193125-24-189938.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-24-189938 |
| 2024-06-20 | 20:38 ET | [8-K](/filings/0001193125-24-164516.md) | 5.07 Shareholder vote results | 0001193125-24-164516 |
| 2024-05-10 | 20:21 ET | [10-Q](/filings/0001193125-24-136202.md) | Quarterly report, period 2024-03-31 | 0001193125-24-136202 |
| 2024-05-02 | 20:31 ET | [8-K](/filings/0001193125-24-129408.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-24-129408 |
| 2024-04-29 | 20:34 ET | [DEF 14A](/filings/0001193125-24-122526.md) | Proxy statement, period 2024-06-13 | 0001193125-24-122526 |
| 2024-03-29 | 20:21 ET | [8-K](/filings/0001193125-24-082089.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation | 0001193125-24-082089 |
| 2024-03-26 | 20:21 ET | [8-K](/filings/0001193125-24-077621.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-24-077621 |
| 2024-03-08 | 21:21 ET | [10-K](/filings/0001193125-24-063674.md) | Annual report, period 2023-12-31 | 0001193125-24-063674 |
| 2024-02-28 | 21:21 ET | [8-K](/filings/0001193125-24-050734.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-24-050734 |
| 2023-11-08 | 21:16 ET | [10-Q](/filings/0001193125-23-273533.md) | Quarterly report, period 2023-09-30 | 0001193125-23-273533 |
| 2023-11-02 | 20:20 ET | [8-K](/filings/0001193125-23-269394.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-23-269394 |

Page 1 of 7. [Older](/companies/mx/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 15:11 ET. No prices; not investment advice.