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: 23
Latest filed: Sep 18, 2026
Form Count
4 16
8-K 5
8-K/A 1
SCHEDULE 13G/A 1

Latest files

Filed Form Report period Accession SEC
Sep 18, 2026 8-K Sep 17, 2026 0000929638-26-003573 View
Sep 15, 2026 8-K Sep 10, 2026 0000929638-26-003539 View
Sep 14, 2026 4 Sep 10, 2026 0000929638-26-003523 View
Sep 14, 2026 4 Sep 10, 2026 0000929638-26-003524 View
Sep 14, 2026 4 Sep 10, 2026 0000929638-26-003525 View
Sep 14, 2026 4 Sep 10, 2026 0000929638-26-003526 View
Aug 10, 2026 8-K Aug 10, 2026 0000929638-26-002965 View
Jul 07, 2026 4 Jun 30, 2026 0000929638-26-002547 View
Jul 02, 2026 4 Jun 30, 2026 0000929638-26-002491 View
Jul 02, 2026 4 Jun 30, 2026 0000929638-26-002492 View
Jul 02, 2026 4 Jun 30, 2026 0000929638-26-002493 View
Jul 02, 2026 4 Jun 30, 2026 0000929638-26-002494 View
Jul 02, 2026 4 Jun 30, 2026 0000929638-26-002495 View
Jun 18, 2026 8-K/A Jun 18, 2026 0000929638-26-002285 View
Jun 18, 2026 8-K Jun 18, 2026 0000929638-26-002281 View
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