{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-26-002903","form_type":"8-K","ticker":"WKHS","cik":"0001425287","company_name":"Workhorse Group Inc.","filed_at":"2026-01-21T23:59:59+00:00","discovered_at":"2026-05-14T18:02:35.053080+00:00","generated_at":"2026-05-16T09:16:17.770763+00:00","sec_items":["4.01","9.01"],"event_type":"other_material","sentiment":"negative","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Workhorse Group dismisses auditor BPB, appoints CRI; material weaknesses in internal controls remain unremediated","bullets":["BPB dismissed as auditor effective Jan 21, 2026; CRI appointed as new independent registered public accounting firm.","BPB's audit report for FY2024 included a going concern explanatory paragraph.","Two material weaknesses in internal control over financial reporting remain unremediated: valuation review and quarterly reporting delays.","No disagreements with BPB on accounting principles or practices during 2024-2025."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-26-002903","json":"https://secwatch.observer/filing/0001628280-26-002903.json","markdown":"https://secwatch.observer/filing/0001628280-26-002903.md","text":"https://secwatch.observer/filing/0001628280-26-002903.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1425287/000162828026002903/0001628280-26-002903-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1425287/000162828026002903/wkhs-20260114.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T09:16:17.770763+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":"373d70c49cead94b93a5a9dfb17889f79e91ca89","claim":"Workhorse Group Inc. engaged Carr, Riggs & Ingram, L.L.C. as its auditor.","evidence_excerpt":"The Company has been notified that Carr, Riggs & Ingram, L.L.C. (“CRI”) acquired, effective as of January 1, 2026, certain assets related to the capital markets practice of BPB. On January 21, 2026, the Audit Committee of the Board of Directors of the Company simultaneously dismissed BPB as the Company’s independent registered accounting firm and approved the appointment of CRI as the Company’s new independent registered public accounting firm, effective immediately.","evidence_source":"SEC 8-K Item 4.01/4.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1425287/000162828026002903/0001628280-26-002903-index.htm","confidence":0.9},{"claim_id":"c7f1157e98ceb7717ee7836a59bd044ac8f03e13","claim":"Workhorse Group Inc. dismissed Berkowitz Pollack Brant Advisors + CPAs, LLP as its auditor.","evidence_excerpt":"Item 4.01 Changes in Registrant’s Certifying Accountant Berkowitz Pollack Brant Advisors + CPAs, LLP (“BPB”) served as the Company’s independent registered public accounting firm prior to completion of the Merger and CBIZ served as Motiv’s independent registered public accounting firm prior to the Merger. The Company has been notified that Carr, Riggs & Ingram, L.L.C. (“CRI”) acquired, effective as of January 1, 2026, certain assets related to the capital markets practice of BPB. On January 21, 2026, the Audit Committee of the Board of Directors of the Company simultaneously dismissed BPB as the Company’s independent registered accounting firm and approved the appointment of CRI as the Company’s new independent registered public accounting firm, effective immediately.","evidence_source":"SEC 8-K Item 4.01/4.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1425287/000162828026002903/0001628280-26-002903-index.htm","confidence":0.9}],"comparable_filings":[{"accession":"0001288469-26-000045","ticker":"MXL","company_name":"MAXLINEAR, INC","filed_at":"2026-06-01T20:35:55+00:00","headline":"MaxLinear dismisses Grant Thornton, appoints KPMG as auditor for FY2026","event_type":"other_material","sec_items":["4.01","9.01"],"materiality_score":0.5,"calibrated_materiality_score":0.5,"match_reasons":["same fact type: auditor_change","same SEC item: 4.01, 9.01","same event type: other_material","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001288469-26-000045","json":"https://secwatch.observer/filing/0001288469-26-000045.json","markdown":"https://secwatch.observer/filing/0001288469-26-000045.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1288469/000128846926000045/0001288469-26-000045-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1288469/000128846926000045/mxl-20260528.htm"},"side_by_side_evidence":{"fact_type":"auditor_change","source_excerpt":"The Company has been notified that Carr, Riggs & Ingram, L.L.C. (“CRI”) acquired, effective as of January 1, 2026, certain assets related to the capital markets practice of BPB. On January 21, 2026, the Audit Committee of the Board of Directors of the Company simultaneously dismissed BPB as the Company’s independent registered accounting firm and approved the appointment of CRI as the Company’s new independent registered public accounting firm, effective immediately.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1425287/000162828026002903/0001628280-26-002903-index.htm","comparable_excerpt":"On May 28, 2026 (the “Effective Date”), MaxLinear, Inc. (the “Company”) dismissed Grant Thornton LLP (“Grant Thornton”) as the Company’s independent registered public accounting firm, effective immediately.","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1288469/000128846926000045/0001288469-26-000045-index.htm"}},{"accession":"0000911147-26-000031","ticker":"CNTY","company_name":"CENTURY CASINOS INC /CO/","filed_at":"2026-05-28T20:11:41+00:00","headline":"Century Casinos dismisses Grant Thornton, appoints EY as new auditor; cites material weaknesses","event_type":"other_material","sec_items":["4.01","9.01"],"materiality_score":0.7,"calibrated_materiality_score":0.7,"match_reasons":["same fact type: auditor_change","same SEC item: 4.01, 9.01","same event type: other_material","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0000911147-26-000031","json":"https://secwatch.observer/filing/0000911147-26-000031.json","markdown":"https://secwatch.observer/filing/0000911147-26-000031.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/911147/000091114726000031/0000911147-26-000031-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/911147/000091114726000031/cnty-20260522x8k.htm"},"side_by_side_evidence":{"fact_type":"auditor_change","source_excerpt":"The Company has been notified that Carr, Riggs & Ingram, L.L.C. (“CRI”) acquired, effective as of January 1, 2026, certain assets related to the capital markets practice of BPB. On January 21, 2026, the Audit Committee of the Board of Directors of the Company simultaneously dismissed BPB as the Company’s independent registered accounting firm and approved the appointment of CRI as the Company’s new independent registered public accounting firm, effective immediately.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1425287/000162828026002903/0001628280-26-002903-index.htm","comparable_excerpt":"(b) Engagement of Independent Registered Public Accounting Firm On May 22, 2026, the Audit Committee appointed Ernst & Young LLP (“EY”) as our independent registered public accounting firm to audit our consolidated financial statements for the fiscal year ending December 31, 2026.","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/911147/000091114726000031/0000911147-26-000031-index.htm"}},{"accession":"0001628280-26-038540","ticker":"SVCO","company_name":"Silvaco Group, Inc.","filed_at":"2026-05-27T21:25:17+00:00","headline":"Silvaco dismisses Baker Tilly, appoints KPMG as independent auditor","event_type":"other_material","sec_items":["4.01","9.01"],"materiality_score":0.6,"calibrated_materiality_score":0.6,"match_reasons":["same fact type: auditor_change","same SEC item: 4.01, 9.01","same event type: other_material","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-26-038540","json":"https://secwatch.observer/filing/0001628280-26-038540.json","markdown":"https://secwatch.observer/filing/0001628280-26-038540.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1943289/000162828026038540/0001628280-26-038540-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1943289/000162828026038540/svco-20260521.htm"},"side_by_side_evidence":{"fact_type":"auditor_change","source_excerpt":"The Company has been notified that Carr, Riggs & Ingram, L.L.C. (“CRI”) acquired, effective as of January 1, 2026, certain assets related to the capital markets practice of BPB. On January 21, 2026, the Audit Committee of the Board of Directors of the Company simultaneously dismissed BPB as the Company’s independent registered accounting firm and approved the appointment of CRI as the Company’s new independent registered public accounting firm, effective immediately.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1425287/000162828026002903/0001628280-26-002903-index.htm","comparable_excerpt":"on May 27, 2026, KPMG LLP (“KPMG”) was engaged as the Company’s independent registered public accounting firm","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1943289/000162828026038540/0001628280-26-038540-index.htm"}},{"accession":"0001193125-26-242009","ticker":"ALUR","company_name":"ALLURION TECHNOLOGIES, INC.","filed_at":"2026-05-27T20:35:50+00:00","headline":"Allurion Technologies dismisses Deloitte & Touche, appoints CBIZ; discloses material weaknesses","event_type":"other_material","sec_items":["4.01","9.01"],"materiality_score":0.7,"calibrated_materiality_score":0.7,"match_reasons":["same fact type: auditor_change","same SEC item: 4.01, 9.01","same event type: other_material","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-242009","json":"https://secwatch.observer/filing/0001193125-26-242009.json","markdown":"https://secwatch.observer/filing/0001193125-26-242009.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1964979/000119312526242009/0001193125-26-242009-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1964979/000119312526242009/alur-20260520.htm"},"side_by_side_evidence":{"fact_type":"auditor_change","source_excerpt":"The Company has been notified that Carr, Riggs & Ingram, L.L.C. (“CRI”) acquired, effective as of January 1, 2026, certain assets related to the capital markets practice of BPB. On January 21, 2026, the Audit Committee of the Board of Directors of the Company simultaneously dismissed BPB as the Company’s independent registered accounting firm and approved the appointment of CRI as the Company’s new independent registered public accounting firm, effective immediately.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1425287/000162828026002903/0001628280-26-002903-index.htm","comparable_excerpt":"On May 22, 2026 (the “Effective Date”), Deloitte was dismissed as our independent registered public accounting firm.","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1964979/000119312526242009/0001193125-26-242009-index.htm"}},{"accession":"0001493152-26-025033","ticker":"WAST","company_name":"WASTE ENERGY CORP.","filed_at":"2026-05-22T20:24:34+00:00","headline":"Waste Energy Corp. replaces independent auditor; Integrität resigns, M&K CPAs appointed","event_type":"other_material","sec_items":["4.01","9.01"],"materiality_score":0.55,"calibrated_materiality_score":0.55,"match_reasons":["same fact type: auditor_change","same SEC item: 4.01, 9.01","same event type: other_material","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001493152-26-025033","json":"https://secwatch.observer/filing/0001493152-26-025033.json","markdown":"https://secwatch.observer/filing/0001493152-26-025033.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1515139/000149315226025033/0001493152-26-025033-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1515139/000149315226025033/form8-k.htm"},"side_by_side_evidence":{"fact_type":"auditor_change","source_excerpt":"The Company has been notified that Carr, Riggs & Ingram, L.L.C. (“CRI”) acquired, effective as of January 1, 2026, certain assets related to the capital markets practice of BPB. On January 21, 2026, the Audit Committee of the Board of Directors of the Company simultaneously dismissed BPB as the Company’s independent registered accounting firm and approved the appointment of CRI as the Company’s new independent registered public accounting firm, effective immediately.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1425287/000162828026002903/0001628280-26-002903-index.htm","comparable_excerpt":"On May 21, 2026, the Audit Committee and Board of Directors approved the engagement of M&K CPAs, PLLC as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2025, subject to completion of customary client acceptance procedures and execution of a final engagement letter.","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1515139/000149315226025033/0001493152-26-025033-index.htm"}},{"accession":"0001628280-26-035718","ticker":"DFH","company_name":"Dream Finders Homes, Inc.","filed_at":"2026-05-15T21:20:37+00:00","headline":"Dream Finders Homes dismisses PwC, appoints KPMG as auditor for FY 2026","event_type":"other_material","sec_items":["4.01","9.01"],"materiality_score":0.5,"calibrated_materiality_score":0.5,"match_reasons":["same fact type: auditor_change","same SEC item: 4.01, 9.01","same event type: other_material","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-26-035718","json":"https://secwatch.observer/filing/0001628280-26-035718.json","markdown":"https://secwatch.observer/filing/0001628280-26-035718.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1825088/000162828026035718/0001628280-26-035718-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1825088/000162828026035718/dream-20260513.htm"},"side_by_side_evidence":{"fact_type":"auditor_change","source_excerpt":"The Company has been notified that Carr, Riggs & Ingram, L.L.C. (“CRI”) acquired, effective as of January 1, 2026, certain assets related to the capital markets practice of BPB. On January 21, 2026, the Audit Committee of the Board of Directors of the Company simultaneously dismissed BPB as the Company’s independent registered accounting firm and approved the appointment of CRI as the Company’s new independent registered public accounting firm, effective immediately.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1425287/000162828026002903/0001628280-26-002903-index.htm","comparable_excerpt":"the Audit Committee dismissed PwC as the Company’s independent registered public accounting firm.","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1825088/000162828026035718/0001628280-26-035718-index.htm"}},{"accession":"0001628280-26-035328","ticker":"TUSK","company_name":"MAMMOTH ENERGY SERVICES, INC.","filed_at":"2026-05-15T12:29:32+00:00","headline":"Mammoth Energy Services replaces auditor Deloitte with Carr, Riggs & Ingram","event_type":"other_material","sec_items":["4.01","9.01"],"materiality_score":0.55,"calibrated_materiality_score":0.55,"match_reasons":["same fact type: auditor_change","same SEC item: 4.01, 9.01","same event type: other_material","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-26-035328","json":"https://secwatch.observer/filing/0001628280-26-035328.json","markdown":"https://secwatch.observer/filing/0001628280-26-035328.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1679268/000162828026035328/0001628280-26-035328-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1679268/000162828026035328/tusk-20260513.htm"},"side_by_side_evidence":{"fact_type":"auditor_change","source_excerpt":"The Company has been notified that Carr, Riggs & Ingram, L.L.C. (“CRI”) acquired, effective as of January 1, 2026, certain assets related to the capital markets practice of BPB. On January 21, 2026, the Audit Committee of the Board of Directors of the Company simultaneously dismissed BPB as the Company’s independent registered accounting firm and approved the appointment of CRI as the Company’s new independent registered public accounting firm, effective immediately.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1425287/000162828026002903/0001628280-26-002903-index.htm","comparable_excerpt":"Also on May 13, 2026, the Audit Committee approved the engagement of Carr, Riggs & Ingram, L.L.C. 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(“CRI”) acquired, effective as of January 1, 2026, certain assets related to the capital markets practice of BPB. On January 21, 2026, the Audit Committee of the Board of Directors of the Company simultaneously dismissed BPB as the Company’s independent registered accounting firm and approved the appointment of CRI as the Company’s new independent registered public accounting firm, effective immediately.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1425287/000162828026002903/0001628280-26-002903-index.htm","comparable_excerpt":"on May 4, 2026, the Committee approved the dismissal of Grant Thornton as the Company’s independent registered public accounting firm.","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1158114/000168316826003572/0001683168-26-003572-index.htm"}}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}