{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-24-001873","form_type":"8-K","ticker":"CBU","cik":"0000723188","company_name":"COMMUNITY FINANCIAL SYSTEM, INC.","filed_at":"2024-01-05T23:59:59+00:00","discovered_at":"2026-05-14T18:03:26.756371+00:00","generated_at":"2026-06-07T03:37:50.363656+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"CEO Mark Tryniski retires; Dimitar Karaivanov becomes President and CEO effective Jan 1, 2024","bullets":["Mark Tryniski retired as President and CEO on Dec 31, 2023, consistent with previously announced succession plan.","Dimitar Karaivanov, formerly EVP and COO, appointed President and CEO effective Jan 1, 2024.","Karaivanov was also appointed to the Company's and Bank's Board of Directors effective Jan 1, 2024.","Karaivanov joined Community Bank System in June 2021 as EVP of Financial Services & Corporate Development."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-24-001873","json":"https://secwatch.observer/filing/0001104659-24-001873.json","markdown":"https://secwatch.observer/filing/0001104659-24-001873.md","text":"https://secwatch.observer/filing/0001104659-24-001873.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/723188/000110465924001873/0001104659-24-001873-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/723188/000110465924001873/tm242082d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T03:37:50.363656+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":"517e0d95a8","claim":"Dimitar A. Karaivanov was appointed as President and Chief Executive Officer at COMMUNITY FINANCIAL SYSTEM, INC..","evidence_excerpt":"On January 1, 2024, Dimitar A. Karaivanov, the Company’s Executive Vice President and Chief Operating Officer (“COO”), was appointed as the Company’s and the Bank’s President and Chief Executive Officer.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/723188/000110465924001873/0001104659-24-001873-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"President and Chief Executive Officer"}],"fact_type":"executive_change"},{"claim_id":"ab73755f02","claim":"Dimitar A. Karaivanov was appointed as Director at COMMUNITY FINANCIAL SYSTEM, INC..","evidence_excerpt":"As previously announced, Mr. Karaivanov was appointed to serve as a Director of the Company and the Bank, effective January 1, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/723188/000110465924001873/0001104659-24-001873-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"e46bbc4cd4","claim":"Mark E. Tryniski retired as President and Chief Executive Officer at COMMUNITY FINANCIAL SYSTEM, INC..","evidence_excerpt":"Consistent with the previously announced succession plan, on December 31, 2023, Mark E. Tryniski, the President and Chief Executive Officer of Community Bank System, Inc. (the “Company”) and its wholly-owned subsidiary, Community Bank, N.A. (the “Bank”) retired as an executive officer of the Company and the Bank.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/723188/000110465924001873/0001104659-24-001873-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"retired"},{"label":"Role","value":"President and Chief Executive Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}