{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-24-050306","form_type":"8-K","ticker":"CLIR","cik":"0001434524","company_name":"ClearSign Technologies Corp","filed_at":"2024-04-23T23:59:59+00:00","discovered_at":"2026-05-14T18:03:18.400889+00:00","generated_at":"2026-06-03T11:45:29.735721+00:00","sec_items":["1.01","3.02","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"ClearSign Technologies raises $5M in private placement with amended securities purchase agreement","bullets":["Entered amendment to securities purchase agreement with investor Andrew Schwartzberg on April 22, 2024.","Total gross proceeds of approximately $5,000,000 from issuance of common stock, pre-funded warrants, and redeemable warrants.","Private placement includes 2,249,763 common shares, pre-funded warrants for 3,155,642 shares, and redeemable warrants for up to 8,108,106 shares.","Transaction exempt from registration under Securities Act Section 4(a)(2) and Rule 506(b).","Closing expected on April 23, 2024, subject to customary conditions."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-24-050306","json":"https://secwatch.observer/filing/0001104659-24-050306.json","markdown":"https://secwatch.observer/filing/0001104659-24-050306.md","text":"https://secwatch.observer/filing/0001104659-24-050306.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1434524/000110465924050306/0001104659-24-050306-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1434524/000110465924050306/tm2412465d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-03T11:45:29.735721+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}