{"schema_version":"secwatch.filing_event.v1","accession":"0001084991-26-000064","form_type":"8-K","ticker":"NGS","cik":"0001084991","company_name":"NATURAL GAS SERVICES GROUP INC","filed_at":"2026-07-10T18:01:50+00:00","discovered_at":"2026-07-10T18:03:04.529872+00:00","generated_at":"2026-07-10T18:03:07.178668+00:00","sec_items":["4.01","9.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.1,"calibrated_materiality_score":0.1,"confidence":"high","headline":"Natural Gas Services Group replaces auditor HL&B with CohnReznick after HL&B asset sale","bullets":["HL&B resigned as independent auditor on July 9, 2026, after CohnReznick acquired certain HL&B assets.","Board appointed CohnReznick as new auditor for fiscal year ending December 31, 2026.","HL&B's audit reports for 2024 and 2025 contained no adverse opinion or qualification.","No disagreements or reportable events occurred during the past two years or subsequent interim period."],"urls":{"canonical":"https://secwatch.observer/filing/0001084991-26-000064","json":"https://secwatch.observer/filing/0001084991-26-000064.json","markdown":"https://secwatch.observer/filing/0001084991-26-000064.md","text":"https://secwatch.observer/filing/0001084991-26-000064.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1084991/000108499126000064/0001084991-26-000064-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1084991/000108499126000064/ngs-20260709.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-07-10T18:03:07.178668+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}