{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-22-122183","form_type":"8-K","ticker":"NI","cik":"0001111711","company_name":"NISOURCE INC.","filed_at":"2022-04-27T23:59:59+00:00","discovered_at":"2026-05-14T18:03:59.790988+00:00","generated_at":"2026-06-26T03:56:14.336928+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"NiSource EVP and Chief Experience Officer Violet Sistovaris to retire effective July 1, 2022","bullets":["Violet Sistovaris, EVP and Chief Experience Officer, notified NiSource of her retirement after 28 years.","She previously served as President of NIPSCO (2015-2020) and SVP/CIO, and co-founded the Women in Leadership initiative.","A national search for her replacement has commenced; she will remain with the company until July 1, 2022.","Her role included leading customer service for 3.7 million customers and overseeing HR, IT, and communications."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-22-122183","json":"https://secwatch.observer/filing/0001193125-22-122183.json","markdown":"https://secwatch.observer/filing/0001193125-22-122183.md","text":"https://secwatch.observer/filing/0001193125-22-122183.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1111711/000119312522122183/0001193125-22-122183-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1111711/000119312522122183/d355453d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-26T03:56:14.336928+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":"42de50d1f7","claim":"Violet G. Sistovaris departed as Executive Vice President and Chief Experience Officer at NISOURCE INC..","evidence_excerpt":"On April 25, 2022, Violet G. Sistovaris, Executive Vice President and Chief Experience Officer at NiSource Inc. (the \"Company\") notified the Company that she intends to retire from the Company effective July 1, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1111711/000119312522122183/0001193125-22-122183-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"retire"},{"label":"Role","value":"Executive Vice President and Chief Experience Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}