{"schema_version":"secwatch.filing_event.v1","accession":"0000929638-26-000748","form_type":"8-K","ticker":"GCTS","cik":"0001851961","company_name":"GCT Semiconductor Holding, Inc.","filed_at":"2026-02-25T23:59:59+00:00","discovered_at":"2026-05-14T18:02:36.538751+00:00","generated_at":"2026-05-16T00:27:14.725371+00:00","sec_items":["1.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"GCT Semiconductor extends note maturity to 2028, issues warrant to Gogo for 500k shares at $2.50","bullets":["Maturity of convertible note extended from 2026 to February 26, 2028.","Conversion price amended to $10.00 per share of parent common stock.","Gogo Business Aviation LLC receives warrant for 500,000 shares at $2.50, 3-year term.","Warrant issued in consideration for entering into the note amendment."],"urls":{"canonical":"https://secwatch.observer/filing/0000929638-26-000748","json":"https://secwatch.observer/filing/0000929638-26-000748.json","markdown":"https://secwatch.observer/filing/0000929638-26-000748.md","text":"https://secwatch.observer/filing/0000929638-26-000748.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1851961/000092963826000748/0000929638-26-000748-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1851961/000092963826000748/form8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T00:27:14.725371+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"500ac14637a540fde71fa48aa32cc770e7da07e8","claim":"GCT Semiconductor Holding, Inc. amended Amendment No. 1 to Convertible Promissory Note with strategic investor (the Holder) valued at Amendment to Convertible Promissory Note extending maturity to February 26, 2028 (effective 2026-02-24).","evidence_excerpt":"On February 24, 2026, GCT Semiconductor, Inc., a subsidiary of GCT Semiconductor Holding, Inc. (the “Company”), entered into Amendment No. 1 (the “Amendment”) to that certain Convertible Promissory Note, dated February 26, 2024 (the “Original Note” and, as amended by the Amendment, the “Note”) with a strategic investor (the “Holder”).","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1851961/000092963826000748/0000929638-26-000748-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"amendment"},{"label":"Agreement","value":"notes offering"},{"label":"Counterparty","value":"strategic investor (the Holder)"},{"label":"Value","value":"Amendment to Convertible Promissory Note extending maturity to February 26, 2028"},{"label":"Effective","value":"2026-02-24"}],"fact_type":"material_agreement"},{"claim_id":"642bbc9206ea619877daaef91e011372c7f281ec","claim":"GCT Semiconductor Holding, Inc. entered into Warrant Issuance Agreement with strategic investor (the Holder) valued at Warrant to purchase 500,000 shares at $2.50 per share, term of 3 years (effective 2026-02-24).","evidence_excerpt":"In connection with the execution of the Amendment, on February 24, 2026, the Company and the Holder entered into a Warrant Issuance Agreement (the “Warrant Issuance Agreement”), pursuant to which the Company agreed to issue to the Holder a warrant (the “Warrant”) to purchase 500,000 shares of the Company’s common stock, in consideration of the Holder’s agreement to enter into the Amendment.","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1851961/000092963826000748/0000929638-26-000748-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"equity purchase"},{"label":"Counterparty","value":"strategic investor (the Holder)"},{"label":"Value","value":"Warrant to purchase 500,000 shares at $2.50 per share, term of 3 years"},{"label":"Effective","value":"2026-02-24"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}