{"filing":{"accession_number":"0001104659-26-093758","cik":"0001434524","ticker":"CLIR","company_name":"ClearSign Technologies Corp","form":"8-K","filing_date":"2026-08-11","report_date":"2026-08-06","primary_document":"tm2622777d1_8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1434524/000110465926093758/tm2622777d1_8k.htm"},"events":[{"id":26884,"run_id":24452,"accession_number":"0001104659-26-093758","anchor_item_number":"5.02","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.95,"summary":"ClearSign Technologies appointed Larry M. Saddler to its Board of Directors effective August 6, 2026, to fill a vacant directorship. Saddler is a retired ExxonMobil executive with 40+ years of industry experience in heat transfer and emissions reduction technology. The appointment includes annual cash compensation of $60,000 and stock option grants of $40,000, plus make-whole payments for covered RSUs.","company_name":"ClearSign Technologies Corp","ticker":"CLIR","filing_date":"2026-08-11","form":"8-K","submitted_at":null,"items":[{"id":28173,"accession_number":"0001104659-26-093758","item_number":"5.02","item_title":null,"event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"The filing discloses the appointment of Larry M. Saddler to the Board of Directors effective August 6, 2026, to fill a vacant directorship. The principal action is a person taking a role on the Board. While the disclosure includes compensatory arrangements (annual cash compensation of $60,000 and stock option grants of $40,000, plus make-whole payments for covered RSUs), the core event is the appointment itself, making exec_appointment the most salient classification. The appointment of an experienced industry veteran with 40+ years at ExxonMobil to fill a board vacancy is material to investors.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-11T11:46:44.713481+00:00","company_name":"","ticker":null,"filing_date":""},{"id":28174,"accession_number":"0001104659-26-093758","item_number":"7.01","item_title":null,"event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"The filing discloses the appointment of Larry Saddler to ClearSign's Board of Directors to fill a vacant directorship. Although Item 7.01 is used for the press release, the substance of the disclosure is an executive/board appointment, as explicitly cross-referenced to Item 5.02. Saddler is a retired ExxonMobil executive with nearly 40 years of industry experience in heat transfer and emissions reduction technology, directly relevant to ClearSign's business, making this a material board composition change.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-11T11:46:44.713481+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":28173,"accession_number":"0001104659-26-093758","item_number":"5.02","item_title":null,"event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"The filing discloses the appointment of Larry M. Saddler to the Board of Directors effective August 6, 2026, to fill a vacant directorship. The principal action is a person taking a role on the Board. While the disclosure includes compensatory arrangements (annual cash compensation of $60,000 and stock option grants of $40,000, plus make-whole payments for covered RSUs), the core event is the appointment itself, making exec_appointment the most salient classification. The appointment of an experienced industry veteran with 40+ years at ExxonMobil to fill a board vacancy is material to investors.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-11T11:46:44.713481+00:00","company_name":"ClearSign Technologies Corp","ticker":"CLIR","filing_date":"2026-08-11"},{"id":28174,"accession_number":"0001104659-26-093758","item_number":"7.01","item_title":null,"event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"The filing discloses the appointment of Larry Saddler to ClearSign's Board of Directors to fill a vacant directorship. Although Item 7.01 is used for the press release, the substance of the disclosure is an executive/board appointment, as explicitly cross-referenced to Item 5.02. Saddler is a retired ExxonMobil executive with nearly 40 years of industry experience in heat transfer and emissions reduction technology, directly relevant to ClearSign's business, making this a material board composition change.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-11T11:46:44.713481+00:00","company_name":"ClearSign Technologies Corp","ticker":"CLIR","filing_date":"2026-08-11"}]}
