{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-24-090892","form_type":"8-K","ticker":"AHCO","cik":"0001725255","company_name":"AdaptHealth Corp.","filed_at":"2024-08-19T23:59:59+00:00","discovered_at":"2026-05-14T18:03:14.287589+00:00","generated_at":"2026-05-31T08:41:33.244730+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"AdaptHealth COO Shaw Rietkerk to step down, named Chief Business Officer","bullets":["Shaw Rietkerk informed by AdaptHealth on Aug 13, 2024 of planned transition to Chief Business Officer.","Rietkerk will cease serving as COO by end of September 2024; new role effective thereafter.","Company and Rietkerk are currently negotiating terms of the transition."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-24-090892","json":"https://secwatch.observer/filing/0001104659-24-090892.json","markdown":"https://secwatch.observer/filing/0001104659-24-090892.md","text":"https://secwatch.observer/filing/0001104659-24-090892.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1725255/000110465924090892/0001104659-24-090892-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1725255/000110465924090892/tm2422042d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T08:41:33.244730+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":"1fd863e7e2","claim":"Shaw Rietkerk changed role as Chief Business Officer at AdaptHealth Corp..","evidence_excerpt":"On August 13, 2024, AdaptHealth Corp. 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(the “Company”) informed Shaw Rietkerk of its intention to transition him to a new position as the Company’s Chief Business Officer, by the end of September, 2024, following which Mr. Rietkerk will no longer serve as the Company’s Chief Operating Officer.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1725255/000110465924090892/0001104659-24-090892-index.htm","comparable_excerpt":"Effective June 1, 2026, the Boards of Directors of Southern First Bancshares, Inc. (the “Company”) and Southern First Bank (the “Bank”) approved the appointment of Mr. Bryan Kennedy as a director.","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1090009/000120677426000308/0001206774-26-000308-index.htm"}},{"accession":"0001104659-26-069317","ticker":null,"company_name":"Cornerstone Building Brands, Inc.","filed_at":"2026-06-02T14:32:08+00:00","headline":"Cornerstone Building Brands names Richard Dirkson as Corporate Controller; CAO departs","event_type":"leadership","sec_items":["5.02","5.07"],"materiality_score":0.5,"calibrated_materiality_score":0.5,"match_reasons":["same fact type: executive_change","same SEC item: 5.02","same event type: leadership","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-069317","json":"https://secwatch.observer/filing/0001104659-26-069317.json","markdown":"https://secwatch.observer/filing/0001104659-26-069317.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/883902/000110465926069317/0001104659-26-069317-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/883902/000110465926069317/tm2616548d1_8k.htm"},"side_by_side_evidence":{"fact_type":"executive_change","source_excerpt":"On August 13, 2024, AdaptHealth Corp. (the “Company”) informed Shaw Rietkerk of its intention to transition him to a new position as the Company’s Chief Business Officer, by the end of September, 2024, following which Mr. Rietkerk will no longer serve as the Company’s Chief Operating Officer.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1725255/000110465924090892/0001104659-24-090892-index.htm","comparable_excerpt":"On May 27, 2026, the Company appointed Richard Dirkson as Senior Vice President, Corporate Controller (principal accounting officer) of the Company, effective May 28, 2026.","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/883902/000110465926069317/0001104659-26-069317-index.htm"}},{"accession":"0001129928-26-000039","ticker":"ONCY","company_name":"ONCOLYTICS BIOTECH INC","filed_at":"2026-06-02T13:02:48+00:00","headline":"Oncolytics appoints Steve Glover to board, promotes John McAdory to COO","event_type":"leadership","sec_items":["5.02","8.01","9.01"],"materiality_score":0.5,"calibrated_materiality_score":0.5,"match_reasons":["same fact type: executive_change","same SEC item: 5.02","same event type: leadership","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001129928-26-000039","json":"https://secwatch.observer/filing/0001129928-26-000039.json","markdown":"https://secwatch.observer/filing/0001129928-26-000039.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1129928/000112992826000039/0001129928-26-000039-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1129928/000112992826000039/oncy-20260602.htm"},"side_by_side_evidence":{"fact_type":"executive_change","source_excerpt":"On August 13, 2024, AdaptHealth Corp. (the “Company”) informed Shaw Rietkerk of its intention to transition him to a new position as the Company’s Chief Business Officer, by the end of September, 2024, following which Mr. Rietkerk will no longer serve as the Company’s Chief Operating Officer.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1725255/000110465924090892/0001104659-24-090892-index.htm","comparable_excerpt":"appointed John McAdory as Chief Operating Officer of the Company","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1129928/000112992826000039/0001129928-26-000039-index.htm"}},{"accession":"0001193125-26-252624","ticker":"ACHV","company_name":"ACHIEVE LIFE SCIENCES, INC.","filed_at":"2026-06-02T12:51:39+00:00","headline":"Achieve Life Sciences appoints Jeff Farrow and Dr. Reid Waldman to Board","event_type":"leadership","sec_items":["5.02"],"materiality_score":0.45,"calibrated_materiality_score":0.45,"match_reasons":["same fact type: executive_change","same SEC item: 5.02","same event type: leadership","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-252624","json":"https://secwatch.observer/filing/0001193125-26-252624.json","markdown":"https://secwatch.observer/filing/0001193125-26-252624.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/949858/000119312526252624/0001193125-26-252624-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/949858/000119312526252624/achv-20260529.htm"},"side_by_side_evidence":{"fact_type":"executive_change","source_excerpt":"On August 13, 2024, AdaptHealth Corp. (the “Company”) informed Shaw Rietkerk of its intention to transition him to a new position as the Company’s Chief Business Officer, by the end of September, 2024, following which Mr. Rietkerk will no longer serve as the Company’s Chief Operating Officer.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1725255/000110465924090892/0001104659-24-090892-index.htm","comparable_excerpt":"the Board of Directors (the “Board”) of Achieve Life Sciences, Inc. 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