GCT Semiconductor Holding, Inc. (GCTS) SEC filings and CIK.
GCTS’s SEC Central Index Key (CIK) is 0001851961, or 1851961 without leading zeros. The SEC’s ticker file lists it as GCT Semiconductor Holding, Inc.. The same CIK also trades as GCTS-WT.
- Ticker
- GCTS
- CIK
- 0001851961
- Other tickers
- GCTS-WT
- Insider transactions, Q3 2026
- 10
Insider trading
In Q3 2026, insiders at GCT Semiconductor Holding, Inc. reported 10 non-derivative transactions on 10 Forms 3, 4 and 5, including 0 open-market purchases and 0 sales. See every GCTS insider transaction →
Recent filings we observed
No filings for this CIK appear in our current observation window. The full history is available from the filings endpoint below and on SEC.gov.
Get GCTS SEC data through the API
curl "https://sec-api.dev/api/v1/filings?cik=1851961&limit=10" \
-H "Authorization: Bearer $SEC_API_KEY"curl "https://sec-api.dev/api/v1/companies/1851961" \
-H "Authorization: Bearer $SEC_API_KEY"curl "https://sec-api.dev/api/v1/facts/1851961?taxonomy=us-gaap&concept=Revenues&limit=10" \
-H "Authorization: Bearer $SEC_API_KEY"Ticker to CIK API · SEC filings API · GCT Semiconductor Holding, Inc. on SEC.gov
Questions
What is GCTS’s CIK number?
GCTS’s SEC Central Index Key (CIK) is 0001851961, or 1851961 without leading zeros. The SEC’s ticker file lists it as GCT Semiconductor Holding, Inc.. The same CIK also trades as GCTS-WT.
How do I find GCT Semiconductor Holding, Inc.’s 10-K?
Request /api/v1/filings?cik=1851961&form=10-K, or open the company’s EDGAR page and filter by 10-K. Foreign issuers file 20-F or 40-F instead.
Plain-text version for agents and LLMs: /companies/gcts.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.