GCT Semiconductor Holding, Inc. SEC filings GCTS
GCT Semiconductor Holding, Inc. has 336 filings in SEC EDGAR's recent list, going back to Mar 26, 2021. Its latest annual report, Form ARS, was filed on Aug 3, 2026 for the period ended Jul 28, 2026. The latest quarterly report (Form 10-Q) was filed on Aug 10, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Sep 18, 2026 (shareholder vote results). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 424B5 | Prospectus supplement | Jun 18, 2026 | — |
| 424B5 | Prospectus supplement | Mar 30, 2026 | — |
| 424B5 | Prospectus supplement | Mar 2, 2026 | — |
| 424B5 | Prospectus supplement | Dec 15, 2025 | — |
| POS AM | Filing | Jun 6, 2025 | — |
| S-3/A | Form s-3/a | May 30, 2025 | — |
| 424B5 | Prospectus supplement | May 16, 2025 | — |
| S-3/A | Form s-3/a | May 13, 2025 | — |
| POS AM | Filing | Apr 30, 2025 | — |
| S-3 | Shelf registration | Apr 23, 2025 | — |
| S-3 | Shelf registration | Apr 23, 2025 | — |
| S-3 | Shelf registration | Apr 1, 2025 | — |
| 424B3 | Prospectus | Mar 26, 2025 | — |
| 424B3 | Prospectus | Mar 26, 2025 | — |
| 424B3 | Prospectus | Nov 18, 2024 | — |
| 424B3 | Prospectus | Nov 15, 2024 | — |
| 424B3 | Prospectus | Nov 15, 2024 | — |
| 424B3 | Prospectus | Sep 27, 2024 | — |
| 424B3 | Prospectus | Sep 27, 2024 | — |
| 424B3 | Prospectus | Aug 27, 2024 | — |
| 424B3 | Prospectus | Aug 27, 2024 | — |
| 424B3 | Prospectus | Aug 16, 2024 | — |
| 424B3 | Prospectus | Aug 16, 2024 | — |
| 424B3 | Prospectus | Jul 10, 2024 | — |
| S-8 | Employee stock plan registration | Jun 7, 2024 | — |
| 424B3 | Prospectus | Jun 4, 2024 | — |
| S-1/A | Amended registration statement | May 23, 2024 | — |
| S-1 | Registration statement | May 22, 2024 | — |
| S-1/A | Amended registration statement | May 17, 2024 | — |
| S-1 | Registration statement | Apr 19, 2024 | — |
| 424B3 | Prospectus | Feb 14, 2024 | — |
| S-4/A | Form s-4/a | Feb 9, 2024 | — |
| S-4/A | Filing | Jan 31, 2024 | — |
| S-4/A | Filing | Jan 11, 2024 | — |
| S-4/A | Form s-4/a | Dec 21, 2023 | — |
| S-4 | Registration for a merger or exchange | Nov 13, 2023 | — |
| 424B4 | Prospectus | Nov 5, 2021 | — |
| S-1MEF | Form s-1mef | Nov 3, 2021 | — |
| S-1/A | Amended registration statement | Oct 15, 2021 | — |
| S-1/A | Amended registration statement | Jul 1, 2021 | — |
| S-1/A | Amended registration statement | May 7, 2021 | — |
| S-1 | Registration statement | Mar 26, 2021 | — |
Showing 42 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Semiconductors & Related Devices (SIC 3674)
- Listed as
- GCTS (NYSE), GCTS-WT (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- San Jose, CA
- SEC filer status
- , Emerging growth company
- SEC CIK
- 1851961
- Former names
- Concord Acquisition Corp III (until Mar 28, 2024)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.