{"schema_version":"secwatch.filing_event.v1","accession":"0001084991-22-000134","form_type":"8-K","ticker":"NGS","cik":"0001084991","company_name":"NATURAL GAS SERVICES GROUP INC","filed_at":"2022-12-28T23:59:59+00:00","discovered_at":"2026-05-14T18:03:49.564484+00:00","generated_at":"2026-06-20T22:17:44.358578+00:00","sec_items":["1.01","5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"John W. Chisholm retires as director; receives $110K cash, 25,000 option, and accelerated equity vesting","bullets":["Chisholm resigned as employee on Nov 11, 2022; retired from board effective Dec 28, 2022; no disagreement.","Severance: $110K cash, 25,000-share option at $17.00 (expires Nov 2025), 16,935 restricted shares vest immediately.","Accelerates 4,212 restricted shares and $50K cash award; retains vested option for 25,000 shares at $15.00.","24-month US non-compete covering natural gas compressor and flare systems business.","Unvested options for 150,000 shares are forfeited."],"urls":{"canonical":"https://secwatch.observer/filing/0001084991-22-000134","json":"https://secwatch.observer/filing/0001084991-22-000134.json","markdown":"https://secwatch.observer/filing/0001084991-22-000134.md","text":"https://secwatch.observer/filing/0001084991-22-000134.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1084991/000108499122000134/0001084991-22-000134-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1084991/000108499122000134/ngs-20221221.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-20T22:17:44.358578+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":"d25fbae3fc","claim":"John W. Chisholm retired as director at NATURAL GAS SERVICES GROUP INC.","evidence_excerpt":"Mr. Chisholm’s decision to retire was not a result of any disagreement with the Company on any matter relating to the Company’s operations, policies or practices.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1084991/000108499122000134/0001084991-22-000134-index.htm","confidence":0.7,"family_label":"Executive change","details":[{"label":"Action","value":"retired"},{"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"}