{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-24-049160","form_type":"8-K","ticker":"CLIR","cik":"0001434524","company_name":"ClearSign Technologies Corp","filed_at":"2024-04-19T23:59:59+00:00","discovered_at":"2026-05-14T18:03:18.400595+00:00","generated_at":"2026-06-03T15:44:02.468719+00:00","sec_items":["1.01","3.02","7.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"ClearSign Technologies prices $9.3M public offering and concurrent private placement of common stock and warrants","bullets":["Public offering of 4,620,760 shares + 4,620,760 warrants at $0.91/share and $0.01/warrant.","Private placement of 5,405,405 shares + 8,108,108 warrants at $0.91/share and $0.015/1.5 warrants.","Combined gross proceeds ~$9.3M; net proceeds for working capital, R&D, and sales.","Public warrants exercisable immediately at $1.05; private warrants after 6 months; both 5-year term.","Offerings expected to close April 23, 2024; underwriter has 45-day option for additional 15%."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-24-049160","json":"https://secwatch.observer/filing/0001104659-24-049160.json","markdown":"https://secwatch.observer/filing/0001104659-24-049160.md","text":"https://secwatch.observer/filing/0001104659-24-049160.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1434524/000110465924049160/0001104659-24-049160-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1434524/000110465924049160/tm2412212d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-03T15:44:02.468719+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":"7dca1f8d500155d595226dc52cb71396553fe92f","claim":"ClearSign Technologies Corp entered into Underwriting Agreement with Public Ventures, LLC valued at aggregate gross proceeds of $4,251,099 (effective 2024-04-19).","evidence_excerpt":"On April 19, 2024, ClearSign Technologies Corporation, a Delaware corporation (the “Company”), entered into an underwriting agreement (the “Underwriting Agreement”) with Public Ventures, LLC (“Public Ventures”), as underwriter, relating to the offering, issuance and sale of an aggregate of (i) 4,620,760 shares of the Company’s common stock","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1434524/000110465924049160/0001104659-24-049160-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"underwriting"},{"label":"Counterparty","value":"Public Ventures, LLC"},{"label":"Value","value":"aggregate gross proceeds of $4,251,099"},{"label":"Effective","value":"2024-04-19"}],"fact_type":"material_agreement"},{"claim_id":"e8a9d8d128229a2608bd4336e88ac16799968799","claim":"ClearSign Technologies Corp entered into Securities Purchase Agreement with an accredited investor (effective 2024-04-19).","evidence_excerpt":"On April 19, 2024, the Company entered into a securities purchase agreement (the “Securities Purchase Agreement”) with an accredited investor (“Private Purchaser”) whereby the Company will issue, in a private placement (the “Concurrent Private Offering”) to be completed concurrently with the completion of the Public Offering, an aggregate of (i) 5,405,405 shares of Common Stock (the “Private Shares”), and (ii) redeemable warrants (the “Private Warrants”) to purchase up to an aggregate of 8,108,108 shares of the Company’s common stock","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1434524/000110465924049160/0001104659-24-049160-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"equity purchase"},{"label":"Counterparty","value":"an accredited investor"},{"label":"Effective","value":"2024-04-19"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}