{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-24-003673","form_type":"8-K","ticker":null,"cik":"0001136294","company_name":"NOS4-1, Inc.","filed_at":"2024-01-12T23:59:59+00:00","discovered_at":"2026-05-14T18:03:23.489799+00:00","generated_at":"2026-06-06T23:48:02.088579+00:00","sec_items":["5.03","8.01","9.01"],"event_type":"other_material","sentiment":"negative","materiality_score":1.0,"calibrated_materiality_score":1.0,"confidence":"high","headline":"Williams Industrial Services renames to NOS4-1; Chapter 11 plan cancels common stock with no recovery","bullets":["Company renamed to NOS4-1, Inc. effective Jan 11, 2024, as required by asset sale to Energy Solutions Nuclear Services.","Chapter 11 Plan of Liquidation provides common stock holders receive no distribution; stock will be canceled upon confirmation.","Company completed sale of all businesses and assets in Sept 2023 and ceased all operations.","Former websites (wisgrp.com, ir.wisgrp.com) sold; current company info available via Epiq claims agent website.","Trading in WLMSQ on OTC Expert Market is highly speculative; equity expected to become worthless."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-24-003673","json":"https://secwatch.observer/filing/0001104659-24-003673.json","markdown":"https://secwatch.observer/filing/0001104659-24-003673.md","text":"https://secwatch.observer/filing/0001104659-24-003673.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1136294/000110465924003673/0001104659-24-003673-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1136294/000110465924003673/tm242438d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-06T23:48:02.088579+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":"40a7679a97deaabc29dc6e8ecc4185ad13934aa4","claim":"NOS4-1, Inc.: Changed corporate name from Williams Industrial Services Group Inc. to NOS4-1, Inc (effective 2024-01-11).","evidence_excerpt":"On January 11, 2024, the Company filed a Certificate of Amendment to its Second Amended and Restated Certificate of Incorporation with the Delaware Secretary of State (the “ Amendment ”). The Amendment changed the name of the Company from Williams Industrial Services Group Inc. to NOS4-1, Inc. effective immediately (the “ Name Change ”).","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1136294/000110465924003673/0001104659-24-003673-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"charter amendment"},{"label":"Effective","value":"2024-01-11"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}