{"schema_version":"secwatch.filing_event.v1","accession":"0000815556-21-000034","form_type":"8-K","ticker":"FAST","cik":"0000815556","company_name":"FASTENAL CO","filed_at":"2021-08-16T23:59:59+00:00","discovered_at":"2026-05-14T18:04:20.879991+00:00","generated_at":"2026-06-29T10:43:48.634260+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Fastenal elects Sarah N. Nielsen as independent director effective Aug 16, 2021","bullets":["Nielsen elected to board effective Aug 16, 2021; board size increases from 9 to 10.","Appointed to Audit Committee effective same date.","Currently CFO of First Citizens Bank; previously VP & CFO of Winnebago Industries (2005-2017).","Received pro rata director retainer under existing compensation policy; no related-party transactions disclosed."],"urls":{"canonical":"https://secwatch.observer/filing/0000815556-21-000034","json":"https://secwatch.observer/filing/0000815556-21-000034.json","markdown":"https://secwatch.observer/filing/0000815556-21-000034.md","text":"https://secwatch.observer/filing/0000815556-21-000034.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/815556/000081555621000034/0000815556-21-000034-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/815556/000081555621000034/fast-20210813.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-29T10:43:48.634260+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":"d97d348393","claim":"Sarah N. Nielsen was elected as director at FASTENAL CO.","evidence_excerpt":"On August 13, 2021, the Board of Directors (the \"Board\") of Fastenal Company (the \"Company\") elected as a director of the Company Ms. Sarah N. Nielsen, effective on August 16, 2021","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/815556/000081555621000034/0000815556-21-000034-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"elected"},{"label":"Role","value":"director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}