GCT Semiconductor Holding, Inc. - GCTS
All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)?
Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 20
Latest filed: May 15, 2026
| Form | Count |
|---|---|
| 4 | 13 |
| 8-K | 5 |
| SCHEDULE 13G/A | 2 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| May 15, 2026 | SCHEDULE 13G/A | — | 0000803012-26-000032 | View |
| May 12, 2026 | 8-K | May 12, 2026 | 0000929638-26-001816 | View |
| Apr 02, 2026 | 4 | Mar 31, 2026 | 0000929638-26-001389 | View |
| Apr 02, 2026 | 4 | Mar 31, 2026 | 0000929638-26-001356 | View |
| Apr 02, 2026 | 4 | Mar 31, 2026 | 0000929638-26-001357 | View |
| Apr 02, 2026 | 4 | Mar 31, 2026 | 0000929638-26-001358 | View |
| Apr 02, 2026 | 4 | Mar 31, 2026 | 0000929638-26-001359 | View |
| Apr 02, 2026 | 4 | Mar 31, 2026 | 0000929638-26-001360 | View |
| Mar 25, 2026 | 8-K | Mar 25, 2026 | 0000929638-26-001149 | View |
| Mar 06, 2026 | 4 | Feb 23, 2026 | 0000929638-26-000929 | View |
| Feb 25, 2026 | 8-K | Feb 24, 2026 | 0000929638-26-000748 | View |
| Feb 13, 2026 | SCHEDULE 13G/A | — | 0000803012-26-000013 | View |
| Jan 29, 2026 | 8-K | Jan 29, 2026 | 0000929638-26-000390 | View |
| Jan 05, 2026 | 4 | Dec 31, 2025 | 0000929638-26-000016 | View |
| Jan 05, 2026 | 4 | Dec 31, 2025 | 0000929638-26-000017 | View |
| Jan 05, 2026 | 4 | Dec 31, 2025 | 0000929638-26-000018 | View |
| Jan 05, 2026 | 4 | Dec 31, 2025 | 0000929638-26-000019 | View |
| Jan 05, 2026 | 4 | Dec 31, 2025 | 0000929638-26-000020 | View |
| Jan 05, 2026 | 4 | Dec 31, 2025 | 0000929638-26-000021 | View |
| Dec 15, 2025 | 8-K | Dec 15, 2025 | 0000929638-25-004601 | View |