{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-23-077168","form_type":"8-K","ticker":null,"cik":"0001136294","company_name":"NOS4-1, Inc.","filed_at":"2023-06-30T23:59:59+00:00","discovered_at":"2026-05-14T18:03:38.032114+00:00","generated_at":"2026-06-13T13:42:29.313572+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Williams Industrial CFO resigns; EVP/COO Randall Lay assumes CFO role","bullets":["Damien Vassall resigns as VP/CFO effective June 30, 2023; no disagreement with company.","Vassall to provide consulting services at $230.77/hr through Dec 31, 2023 for Q2 closing.","Randall Lay, EVP/COO, appointed EVP/CFO/COO as principal financial and accounting officer.","Lay previously served as CFO from Sep 2019 to Nov 2021; no compensation changes."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-23-077168","json":"https://secwatch.observer/filing/0001104659-23-077168.json","markdown":"https://secwatch.observer/filing/0001104659-23-077168.md","text":"https://secwatch.observer/filing/0001104659-23-077168.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1136294/000110465923077168/0001104659-23-077168-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1136294/000110465923077168/tm2320213d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-13T13:42:29.313572+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":"21466b90fc","claim":"Damien A. Vassall resigned as Vice President and Chief Financial Officer at NOS4-1, Inc..","evidence_excerpt":"On June 26, 2023, Damien A. Vassall notified Williams Industrial Services Group Inc. (the “ Company ”) of his intent to resign, effective June 30, 2023, as Vice President and Chief Financial Officer and any and all other positions at the Company and its subsidiaries. Mr. Vassall’s resignation was not due to a disagreement with the Company","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1136294/000110465923077168/0001104659-23-077168-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Vice President and Chief Financial Officer"}],"fact_type":"executive_change"},{"claim_id":"4138013714","claim":"Randall R. Lay was appointed as Executive Vice President, Chief Financial Officer and Chief Operating Officer at NOS4-1, Inc..","evidence_excerpt":"Effective June 30, 2023, Randall R. Lay, Executive Vice President and Chief Operating Officer of the Company, was appointed Executive Vice President, Chief Financial Officer and Chief Operating Officer","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1136294/000110465923077168/0001104659-23-077168-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Executive Vice President, Chief Financial Officer and Chief Operating Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}