{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-24-062329","form_type":"8-K","ticker":"TNC","cik":"0000097134","company_name":"TENNANT CO","filed_at":"2024-05-16T23:59:59+00:00","discovered_at":"2026-05-14T18:03:22.594204+00:00","generated_at":"2026-06-01T22:27:09.796552+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Tennant Company appoints Graco CEO Mark W. Sheahan to board, effective May 15, 2024","bullets":["Mark W. Sheahan, President & CEO of Graco Inc. (NYSE: GGG), elected to Tennant board.","Sheahan will serve on Audit and Executive Committees; term expires at 2027 annual meeting.","He receives standard non-employee director compensation on a pro-rata basis.","Sheahan brings expertise in global manufacturing, strategic growth, and financial strategy."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-24-062329","json":"https://secwatch.observer/filing/0001104659-24-062329.json","markdown":"https://secwatch.observer/filing/0001104659-24-062329.md","text":"https://secwatch.observer/filing/0001104659-24-062329.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/97134/000110465924062329/0001104659-24-062329-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/97134/000110465924062329/tm2414514d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-01T22:27:09.796552+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":"b2c80685c5","claim":"Mark W. Sheahan was elected as Director at TENNANT CO.","evidence_excerpt":"On May 13, 2024, the Board of Directors (the “Board”) of Tennant Company (the “Company”) elected Mark W. Sheahan as a member of the Board effective May 15, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/97134/000110465924062329/0001104659-24-062329-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"elected"},{"label":"Role","value":"Director"}]}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}