{"schema_version":"secwatch.filing_event.v1","accession":"0001587732-23-000040","form_type":"8-K","ticker":"OGS","cik":"0001587732","company_name":"ONE Gas, Inc.","filed_at":"2023-07-06T23:59:59+00:00","discovered_at":"2026-05-14T18:03:34.445221+00:00","generated_at":"2026-06-13T11:50:58.381314+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"ONE Gas expands board to nine, appoints Deborah Hersman as director","bullets":["Appointed Deborah Hersman to board effective June 29, 2023, expanding from 8 to 9 members.","Hersman is former NTSB chair, former CEO of National Safety Council, former safety chief at Waymo.","She will serve on Audit, Corporate Governance and Executive Compensation Committees.","Compensation: annual retainer $95,000 prorated, stock retainer $115,000 prorated, plus deferred comp eligibility."],"urls":{"canonical":"https://secwatch.observer/filing/0001587732-23-000040","json":"https://secwatch.observer/filing/0001587732-23-000040.json","markdown":"https://secwatch.observer/filing/0001587732-23-000040.md","text":"https://secwatch.observer/filing/0001587732-23-000040.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1587732/000158773223000040/0001587732-23-000040-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1587732/000158773223000040/ogs-20230706.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-13T11:50:58.381314+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":"babd0c026f","claim":"Deborah A.P. Hersman was appointed as Director at ONE Gas, Inc..","evidence_excerpt":"On June 29, 2023, we expanded our Board of Directors from eight to nine members and Deborah A.P. Hersman was appointed to the Board to fill the additional position.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1587732/000158773223000040/0001587732-23-000040-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"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"}