{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-24-001822","form_type":"8-K","ticker":"CLIR","cik":"0001434524","company_name":"ClearSign Technologies Corp","filed_at":"2024-01-05T23:59:59+00:00","discovered_at":"2026-05-14T18:03:24.176928+00:00","generated_at":"2026-06-07T03:02:39.910457+00:00","sec_items":["1.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"ClearSign extends purchase right for clirSPV to Dec 31, 2024","bullets":["clirSPV LLC's Purchase Right to participate in future equity offerings extended to Dec. 31, 2024.","Extension follows two-thirds unit holder consent to waive Redemption Right until Dec. 31, 2024.","Board member Robert T. Hoffman Sr. is managing member of clirSPV's managing member."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-24-001822","json":"https://secwatch.observer/filing/0001104659-24-001822.json","markdown":"https://secwatch.observer/filing/0001104659-24-001822.md","text":"https://secwatch.observer/filing/0001104659-24-001822.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1434524/000110465924001822/0001104659-24-001822-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1434524/000110465924001822/tm242146d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T03:02:39.910457+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":"284e3f4745245120ea54a8c896368f3c7ac1bff6","claim":"ClearSign Technologies Corp amended Stock Purchase Agreement with clirSPV LLC (effective 2023-12-30).","evidence_excerpt":"On December 30, 2023, the Company received notice from clirSPV LLC that the holders of at least two-thirds of the outstanding units of clirSPV LLC agreed to extend the waiver of the Redemption Right until December 31, 2024.","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1434524/000110465924001822/0001104659-24-001822-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"amendment"},{"label":"Agreement","value":"equity purchase"},{"label":"Counterparty","value":"clirSPV LLC"},{"label":"Effective","value":"2023-12-30"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}