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: 21
Latest filed: Apr 02, 2026
Form Count
4 15
8-K 5
SCHEDULE 13G/A 1

Latest files

Filed Form Report period Accession SEC
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
Nov 28, 2025 4 Nov 25, 2025 0000929638-25-004392 View
Nov 24, 2025 4 Nov 20, 2025 0000929638-25-004362 View
Nov 12, 2025 8-K Nov 12, 2025 0000929638-25-004231 View