GCT Semiconductor Holding, Inc. SEC EDGAR Filings (CIK 0001851961)

SEC EDGAR filings, ownership reports, and insider transactions for GCT Semiconductor Holding, Inc..

Symbol
GCTS, GCTS-WT on NYSE
Industry
Semiconductors & Related Devices (Office Of Manufacturing)
Business address
2290 North 1 St Street, Suite 201, San Jose, CA, 95131
State of incorporation
DE
Fiscal year end
31 December
Former names
Concord Acquisition Corp III (to 28 Mar 2024)
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GCT Semiconductor Holding, Inc. has filed 293 SEC EDGAR filings since 26 Mar 2021

Latest Filings

Recent SEC filings for GCT Semiconductor Holding, Inc. including 4, 424B5, 8-K and more.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 05 Jan 2026 31 Dec 2025
4 Open 4 document View SEC filing for 4 05 Jan 2026 31 Dec 2025
4 Open 4 document View SEC filing for 4 05 Jan 2026 31 Dec 2025
4 Open 4 document View SEC filing for 4 05 Jan 2026 31 Dec 2025
4 Open 4 document View SEC filing for 4 05 Jan 2026 31 Dec 2025
4 Open 4 document View SEC filing for 4 05 Jan 2026 31 Dec 2025
424B5 Open 424B5 document View SEC filing for 424B5 424B5 15 Dec 2025 333-286316
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 15 Dec 2025 15 Dec 2025 001-41013
4 Open 4 document View SEC filing for 4 28 Nov 2025 25 Nov 2025
4 Open 4 document View SEC filing for 4 24 Nov 2025 20 Nov 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 12 Nov 2025 12 Nov 2025 001-41013
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 12 Nov 2025 30 Sep 2025 001-41013
4 Open 4 document View SEC filing for 4 03 Oct 2025 30 Sep 2025
4 Open 4 document View SEC filing for 4 02 Oct 2025 30 Sep 2025
4 Open 4 document View SEC filing for 4 02 Oct 2025 30 Sep 2025
4 Open 4 document View SEC filing for 4 02 Oct 2025 30 Sep 2025
4 Open 4 document View SEC filing for 4 02 Oct 2025 30 Sep 2025
4 Open 4 document View SEC filing for 4 02 Oct 2025 30 Sep 2025
4 Open 4 document View SEC filing for 4 30 Sep 2025 26 Sep 2025
4 Open 4 document View SEC filing for 4 23 Sep 2025 19 Sep 2025
4 Open 4 document View SEC filing for 4 23 Sep 2025 19 Sep 2025
4 Open 4 document View SEC filing for 4 23 Sep 2025 19 Sep 2025
4 Open 4 document View SEC filing for 4 23 Sep 2025 19 Sep 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 19 Sep 2025 18 Sep 2025 001-41013
4 Open 4 document View SEC filing for 4 16 Sep 2025 12 Sep 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 11 Sep 2025 10 Sep 2025 001-41013
4 Open 4 document View SEC filing for 4 08 Sep 2025 04 Sep 2025
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 22 Aug 2025 005-93046
4 Open 4 document View SEC filing for 4 19 Aug 2025 15 Aug 2025
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 12 Aug 2025 30 Jun 2025 001-41013
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 12 Aug 2025 12 Aug 2025 001-41013
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 12 Aug 2025 005-93046
ARS Open ARS document View SEC filing for ARS 04 Aug 2025 27 Jul 2025 001-41013
DEFA14A Open DEFA14A document View SEC filing for DEFA14A 04 Aug 2025 001-41013
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A DEF 14A 04 Aug 2025 18 Sep 2025 001-41013
PRE 14A Open PRE 14A document | Open XBRL data View SEC filing for PRE 14A PRE 14A 25 Jul 2025 18 Sep 2025 001-41013
4 Open 4 document View SEC filing for 4 02 Jul 2025 30 Jun 2025
4 Open 4 document View SEC filing for 4 02 Jul 2025 30 Jun 2025
4 Open 4 document View SEC filing for 4 02 Jul 2025 30 Jun 2025
4 Open 4 document View SEC filing for 4 02 Jul 2025 30 Jun 2025
4 Open 4 document View SEC filing for 4 02 Jul 2025 30 Jun 2025
4 Open 4 document View SEC filing for 4 02 Jul 2025 30 Jun 2025
4 Open 4 document View SEC filing for 4 12 Jun 2025 10 Jun 2025
EFFECT Open EFFECT document View SEC filing for EFFECT 10 Jun 2025 333-278809
EFFECT Open EFFECT document View SEC filing for EFFECT 06 Jun 2025 333-286704
POS AM Open POS AM document View SEC filing for POS AM 06 Jun 2025 333-278809
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 06 Jun 2025 06 Jun 2025 001-41013
4 Open 4 document View SEC filing for 4 06 Jun 2025 04 Jun 2025
CORRESP Open CORRESP document View SEC filing for CORRESP 04 Jun 2025
CORRESP Open CORRESP document View SEC filing for CORRESP 30 May 2025
S-3/A Open S-3/A document View SEC filing for S-3/A FORM S-3/A 30 May 2025 333-286704
4 Open 4 document View SEC filing for 4 27 May 2025 23 May 2025
4 Open 4 document View SEC filing for 4 21 May 2025 20 May 2025
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 20 May 2025 333-286704
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 16 May 2025 15 May 2025 001-41013
424B5 Open 424B5 document View SEC filing for 424B5 424B5 16 May 2025 333-286316
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 14 May 2025 14 May 2025 001-41013
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 May 2025 31 Mar 2025 001-41013
CORRESP Open CORRESP document View SEC filing for CORRESP 13 May 2025
S-3/A Open S-3/A document View SEC filing for S-3/A FORM S-3/A 13 May 2025 333-286704
EFFECT Open EFFECT document View SEC filing for EFFECT 02 May 2025 333-279600
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 01 May 2025 333-286704
EFFECT Open EFFECT document View SEC filing for EFFECT 30 Apr 2025 333-286713
POS AM Open POS AM document View SEC filing for POS AM 30 Apr 2025 333-279600
CORRESP Open CORRESP document View SEC filing for CORRESP 28 Apr 2025
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 28 Apr 2025 333-286713
S-3 Open S-3 document View SEC filing for S-3 FORM S-3 23 Apr 2025 333-286713
S-3 Open S-3 document View SEC filing for S-3 FORM S-3 23 Apr 2025 333-286704
4 Open 4 document View SEC filing for 4 23 Apr 2025 26 Mar 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 17 Apr 2025 16 Apr 2025 001-41013
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 15 Apr 2025 005-93046
4/A Open 4/A document View SEC filing for 4/A 14 Apr 2025 26 Mar 2024
EFFECT Open EFFECT document View SEC filing for EFFECT 09 Apr 2025 333-286316
4/A Open 4/A document View SEC filing for 4/A 07 Apr 2025 26 Mar 2024
CORRESP Open CORRESP document View SEC filing for CORRESP 07 Apr 2025
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 04 Apr 2025 333-286316
4 Open 4 document View SEC filing for 4 02 Apr 2025 31 Mar 2025
4 Open 4 document View SEC filing for 4 02 Apr 2025 31 Mar 2025
4 Open 4 document View SEC filing for 4 02 Apr 2025 31 Mar 2025
4 Open 4 document View SEC filing for 4 02 Apr 2025 31 Mar 2025
4 Open 4 document View SEC filing for 4 02 Apr 2025 31 Mar 2025
4 Open 4 document View SEC filing for 4 02 Apr 2025 31 Mar 2025
S-3 Open S-3 document View SEC filing for S-3 S-3 01 Apr 2025 333-286316
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 28 Mar 2025 005-93046
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 28 Mar 2025 26 Mar 2025
424B3 Open 424B3 document View SEC filing for 424B3 26 Mar 2025 333-279600
424B3 Open 424B3 document View SEC filing for 424B3 26 Mar 2025 333-278809
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 25 Mar 2025 31 Dec 2024 001-41013
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 25 Mar 2025 25 Mar 2025 001-41013
4/A Open 4/A document View SEC filing for 4/A 27 Feb 2025 26 Mar 2024
4/A Open 4/A document View SEC filing for 4/A 27 Feb 2025 26 Mar 2024
4 Open 4 document View SEC filing for 4 21 Feb 2025 13 Jan 2025
4 Open 4 document View SEC filing for 4 21 Feb 2025 19 Feb 2025
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 14 Feb 2025 005-93046
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 29 Jan 2025 24 Jan 2025 001-41013
4 Open 4 document View SEC filing for 4 02 Jan 2025 31 Dec 2024
4 Open 4 document View SEC filing for 4 02 Jan 2025 31 Dec 2024
4 Open 4 document View SEC filing for 4 02 Jan 2025 31 Dec 2024
4 Open 4 document View SEC filing for 4 02 Jan 2025 31 Dec 2024
4 Open 4 document View SEC filing for 4 02 Jan 2025 31 Dec 2024
4 Open 4 document View SEC filing for 4 02 Jan 2025 31 Dec 2024
4 Open 4 document View SEC filing for 4 16 Dec 2024 13 Dec 2024
4 Open 4 document View SEC filing for 4 21 Nov 2024 30 Sep 2024
4 Open 4 document View SEC filing for 4 21 Nov 2024 30 Sep 2024
4 Open 4 document View SEC filing for 4 21 Nov 2024 30 Sep 2024
4 Open 4 document View SEC filing for 4 21 Nov 2024 30 Sep 2024
4 Open 4 document View SEC filing for 4 21 Nov 2024 30 Sep 2024
4 Open 4 document View SEC filing for 4 21 Nov 2024 30 Sep 2024
424B3 Open 424B3 document View SEC filing for 424B3 18 Nov 2024 333-278809
424B3 Open 424B3 document View SEC filing for 424B3 15 Nov 2024 333-279600
424B3 Open 424B3 document View SEC filing for 424B3 15 Nov 2024 333-279600
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Nov 2024 005-93046
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Nov 2024 30 Sep 2024 001-41013
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Nov 2024 14 Nov 2024 001-41013
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 13 Nov 2024 005-93046
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 13 Nov 2024 005-93046
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 12 Nov 2024 005-93046
SC 13G Open SC 13G document View SEC filing for SC 13G COWEN AND COMPANY, LLC 12 Nov 2024 005-93046
424B3 Open 424B3 document View SEC filing for 424B3 27 Sep 2024 333-278809
424B3 Open 424B3 document View SEC filing for 424B3 27 Sep 2024 333-278809
4 Open 4 document View SEC filing for 4 27 Sep 2024 26 Sep 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 26 Sep 2024 26 Sep 2024 001-41013
424B3 Open 424B3 document View SEC filing for 424B3 424B3 27 Aug 2024 333-279600
424B3 Open 424B3 document View SEC filing for 424B3 424B3 27 Aug 2024 333-278809
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 26 Aug 2024 21 Aug 2024 001-41013
4 Open 4 document View SEC filing for 4 23 Aug 2024 21 Aug 2024
424B3 Open 424B3 document View SEC filing for 424B3 424B3 16 Aug 2024 333-279600
424B3 Open 424B3 document View SEC filing for 424B3 424B3 16 Aug 2024 333-278809
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Aug 2024 30 Jun 2024 001-41013
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 14 Aug 2024 14 Aug 2024 001-41013
424B3 Open 424B3 document View SEC filing for 424B3 424B3 10 Jul 2024 333-279600
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 10 Jul 2024 10 Jul 2024 001-41013
4 Open 4 document View SEC filing for 4 05 Jul 2024 30 Jun 2024
4 Open 4 document View SEC filing for 4 03 Jul 2024 30 Jun 2024
4 Open 4 document View SEC filing for 4 03 Jul 2024 30 Jun 2024
4 Open 4 document View SEC filing for 4 03 Jul 2024 30 Jun 2024
4 Open 4 document View SEC filing for 4 03 Jul 2024 30 Jun 2024
4 Open 4 document View SEC filing for 4 03 Jul 2024 30 Jun 2024
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 28 Jun 2024 005-93046
S-8 Open S-8 document View SEC filing for S-8 S-8 07 Jun 2024 333-280054
EFFECT Open EFFECT document View SEC filing for EFFECT 06 Jun 2024 333-279600
CORRESP Open CORRESP document View SEC filing for CORRESP 04 Jun 2024
424B3 Open 424B3 document View SEC filing for 424B3 424B3 04 Jun 2024 333-278809
EFFECT Open EFFECT document View SEC filing for EFFECT 03 Jun 2024 333-278809
CORRESP Open CORRESP document View SEC filing for CORRESP 31 May 2024
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 28 May 2024 333-279600
CORRESP Open CORRESP document View SEC filing for CORRESP 23 May 2024
S-1/A Open S-1/A document | Open XBRL data View SEC filing for S-1/A S-1/A 23 May 2024 333-278809
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 22 May 2024 333-278809
S-1 Open S-1 document | Open XBRL data View SEC filing for S-1 S-1 22 May 2024 333-279600
CORRESP Open CORRESP document View SEC filing for CORRESP 17 May 2024
S-1/A Open S-1/A document | Open XBRL data View SEC filing for S-1/A S-1/A 17 May 2024 333-278809
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 May 2024 31 Mar 2024 001-41013
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 14 May 2024 14 May 2024 001-41013
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 06 May 2024 333-278809
4/A Open 4/A document View SEC filing for 4/A 03 May 2024 26 Mar 2024
4/A Open 4/A document View SEC filing for 4/A 03 May 2024 26 Mar 2024
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 03 May 2024 005-93046
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 29 Apr 2024 005-93046
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 24 Apr 2024 23 Apr 2024 001-41013
S-1 Open S-1 document | Open XBRL data View SEC filing for S-1 S-1 19 Apr 2024 333-278809
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 08 Apr 2024 04 Apr 2024 001-41013
SC 13G Open SC 13G document View SEC filing for SC 13G 05 Apr 2024 005-93046
8-A12B/A Open 8-A12B/A document View SEC filing for 8-A12B/A 8-A12B/A 05 Apr 2024 001-41013
SC 13G Open SC 13G document View SEC filing for SC 13G 03 Apr 2024 005-93046
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 01 Apr 2024 26 Mar 2024 001-41013
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 28 Mar 2024 26 Mar 2024
3 Open 3 document View SEC filing for 3 28 Mar 2024 26 Mar 2024
4 Open 4 document View SEC filing for 4 27 Mar 2024 26 Mar 2024
4 Open 4 document View SEC filing for 4 27 Mar 2024 26 Mar 2024
4 Open 4 document View SEC filing for 4 27 Mar 2024 26 Mar 2024
4 Open 4 document View SEC filing for 4 27 Mar 2024 26 Mar 2024
4 Open 4 document View SEC filing for 4 27 Mar 2024 26 Mar 2024
4 Open 4 document View SEC filing for 4 27 Mar 2024 26 Mar 2024
4 Open 4 document View SEC filing for 4 27 Mar 2024 26 Mar 2024
4 Open 4 document View SEC filing for 4 27 Mar 2024 26 Mar 2024
4 Open 4 document View SEC filing for 4 27 Mar 2024 26 Mar 2024
3 Open 3 document View SEC filing for 3 27 Mar 2024 26 Mar 2024
3 Open 3 document View SEC filing for 3 27 Mar 2024 26 Mar 2024
3 Open 3 document View SEC filing for 3 27 Mar 2024 26 Mar 2024
3 Open 3 document View SEC filing for 3 27 Mar 2024 26 Mar 2024
3 Open 3 document View SEC filing for 3 27 Mar 2024 26 Mar 2024
3 Open 3 document View SEC filing for 3 27 Mar 2024 26 Mar 2024
3 Open 3 document View SEC filing for 3 27 Mar 2024 26 Mar 2024
3 Open 3 document View SEC filing for 3 27 Mar 2024 26 Mar 2024
3 Open 3 document View SEC filing for 3 27 Mar 2024 26 Mar 2024
3 Open 3 document View SEC filing for 3 27 Mar 2024 26 Mar 2024
25-NSE Open 25-NSE document View SEC filing for 25-NSE 27 Mar 2024 001-41013
425 Open 425 document View SEC filing for 425 FORM 425 22 Mar 2024 001-41013
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 11 Mar 2024 005-93046
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 08 Mar 2024 31 Dec 2023 001-41013
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 29 Feb 2024 27 Feb 2024 001-41013
425 Open 425 document View SEC filing for 425 425 15 Feb 2024 001-41013
EFFECT Open EFFECT document View SEC filing for EFFECT 14 Feb 2024 333-275522
SC 13G Open SC 13G document View SEC filing for SC 13G 14 Feb 2024 005-93046
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 14 Feb 2024 005-93046
424B3 Open 424B3 document View SEC filing for 424B3 424B3 14 Feb 2024 333-275522
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 683 CAPITAL MANAGEMENT, LLC 14 Feb 2024 005-93046
SC 13G Open SC 13G document View SEC filing for SC 13G 14 Feb 2024 005-93046
SC 13G Open SC 13G document View SEC filing for SC 13G 14 Feb 2024 005-93046
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 13 Feb 2024 005-93046
CORRESP Open CORRESP document View SEC filing for CORRESP 12 Feb 2024
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 09 Feb 2024 005-93046
CORRESP Open CORRESP document View SEC filing for CORRESP 09 Feb 2024
S-4/A Open S-4/A document | Open XBRL data View SEC filing for S-4/A FORM S-4/A 09 Feb 2024 333-275522
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A FORM SC 13G/A 09 Feb 2024 005-93046
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A FORM SC 13G/A 07 Feb 2024 005-93046
CORRESP Open CORRESP document View SEC filing for CORRESP 31 Jan 2024
S-4/A Open S-4/A document View SEC filing for S-4/A S-4/A 31 Jan 2024 333-275522
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 31 Jan 2024 005-93046
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 25 Jan 2024 333-275522
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 25 Jan 2024 19 Jan 2024 001-41013
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A CONCORD ACQUISITION CORP III 19 Jan 2024 005-93046
S-4/A Open S-4/A document View SEC filing for S-4/A S-4/A 11 Jan 2024 333-275522
CORRESP Open CORRESP document View SEC filing for CORRESP 10 Jan 2024
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO. 1 09 Jan 2024 005-93046
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 05 Jan 2024 333-275522
SC 13G Open SC 13G document View SEC filing for SC 13G 28 Dec 2023 005-93046
CORRESP Open CORRESP document View SEC filing for CORRESP 21 Dec 2023
S-4/A Open S-4/A document | Open XBRL data View SEC filing for S-4/A FORM S-4/A 21 Dec 2023 333-275522
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 08 Dec 2023 333-275522
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 17 Nov 2023 16 Nov 2023
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 17 Nov 2023 16 Nov 2023
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 17 Nov 2023 16 Nov 2023
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 17 Nov 2023 16 Nov 2023
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Nov 2023 30 Sep 2023 001-41013
S-4 Open S-4 document | Open XBRL data View SEC filing for S-4 FORM S-4 13 Nov 2023 333-275522
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 13 Nov 2023 07 Nov 2023 001-41013
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 09 Nov 2023 005-93046
425 Open 425 document View SEC filing for 425 425 08 Nov 2023 001-41013
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 08 Nov 2023 02 Nov 2023 001-41013
425 Open 425 document View SEC filing for 425 425 03 Nov 2023 001-41013
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 03 Nov 2023 03 Nov 2023 001-41013
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 02 Nov 2023 001-41013
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 02 Nov 2023 02 Nov 2023 001-41013
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 31 Oct 2023 001-41013
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 31 Oct 2023 31 Oct 2023 001-41013
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 30 Oct 2023 30 Oct 2023 001-41013
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 25 Oct 2023 001-41013
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 25 Oct 2023 25 Oct 2023 001-41013
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 13 Oct 2023 06 Nov 2023 001-41013
PRE 14A Open PRE 14A document View SEC filing for PRE 14A PRE 14A 29 Sep 2023 29 Sep 2023 001-41013
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 10 Aug 2023 30 Jun 2023 001-41013
SC 13G Open SC 13G document View SEC filing for SC 13G 16 May 2023 005-93046
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 11 May 2023 31 Mar 2023 001-41013
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 09 May 2023 005-93046
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 08 May 2023 04 May 2023 001-41013
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 07 Apr 2023 001-41013
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 07 Apr 2023 06 Apr 2023 001-41013
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 06 Apr 2023 04 May 2023 001-41013
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 04 Apr 2023
CORRESP Open CORRESP document View SEC filing for CORRESP 04 Apr 2023
PRER14A Open PRER14A document View SEC filing for PRER14A PRER14A 04 Apr 2023 001-41013
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 03 Apr 2023
PRE 14A Open PRE 14A document View SEC filing for PRE 14A PRE 14A 27 Mar 2023 27 Mar 2023 001-41013
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 27 Feb 2023 31 Dec 2022 001-41013
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A FORM SC 13G/A 14 Feb 2023 005-93046
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 10 Feb 2023 005-93046
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A CONCORD ACQUISITION CORP III 31 Jan 2023 005-93046
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 04 Nov 2022 30 Sep 2022 001-41013
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 12 Aug 2022 30 Jun 2022 001-41013
SC 13G Open SC 13G document View SEC filing for SC 13G FORM SC 13G 27 May 2022 005-93046
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 May 2022 31 Mar 2022 001-41013
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 18 Mar 2022 31 Dec 2021 001-41013
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 14 Feb 2022 005-93046
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 11 Feb 2022 005-93046
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A CONCORD ACQUISITION CORP III 03 Feb 2022 005-93046
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 16 Dec 2021 30 Sep 2021 001-41013
SC 13G Open SC 13G document View SEC filing for SC 13G CONCORD ACQUISITION CORP III 18 Nov 2021 005-93046
SC 13G Open SC 13G document View SEC filing for SC 13G 17 Nov 2021 005-93046
SC 13G Open SC 13G document View SEC filing for SC 13G 16 Nov 2021 005-93046
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 15 Nov 2021 08 Nov 2021 001-41013
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 09 Nov 2021 03 Nov 2021 001-41013
424B4 Open 424B4 document View SEC filing for 424B4 424B4 05 Nov 2021 333-254789
EFFECT Open EFFECT document View SEC filing for EFFECT 03 Nov 2021 333-254789
S-1MEF Open S-1MEF document View SEC filing for S-1MEF FORM S-1MEF 03 Nov 2021 333-260751
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 03 Nov 2021 03 Nov 2021
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 03 Nov 2021 03 Nov 2021
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 03 Nov 2021 03 Nov 2021
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 03 Nov 2021 03 Nov 2021
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 03 Nov 2021 03 Nov 2021
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 03 Nov 2021 03 Nov 2021
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 03 Nov 2021 03 Nov 2021
CERT Open CERT document View SEC filing for CERT NYSE CERTIFICATION 03 Nov 2021 001-41013
8-A12B Open 8-A12B document View SEC filing for 8-A12B 8-A12B 03 Nov 2021 001-41013
CORRESP Open CORRESP document View SEC filing for CORRESP 01 Nov 2021
CORRESP Open CORRESP document View SEC filing for CORRESP 01 Nov 2021
S-1/A Open S-1/A document View SEC filing for S-1/A S-1/A 15 Oct 2021 333-254789
S-1/A Open S-1/A document View SEC filing for S-1/A S-1/A 01 Jul 2021 333-254789
CORRESP Open CORRESP document View SEC filing for CORRESP 07 May 2021
S-1/A Open S-1/A document View SEC filing for S-1/A FORM S-1/A 07 May 2021 333-254789
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 22 Apr 2021
S-1 Open S-1 document View SEC filing for S-1 S-1 26 Mar 2021 333-254789

About this filer

GCT Semiconductor Holding, Inc. files with the SEC under CIK 0001851961. This page aggregates EDGAR filings and related ownership activity.

Industry: Semiconductors & Related Devices.

See insider transactions for this issuer.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

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