{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-26-027245","form_type":"8-K/A","ticker":"AMPY","cik":"0001533924","company_name":"Amplify Energy Corp.","filed_at":"2026-03-13T23:59:59+00:00","discovered_at":"2026-05-14T18:02:35.356355+00:00","generated_at":"2026-05-15T12:33:10.701123+00:00","sec_items":["4.01","9.01"],"event_type":"other_material","sentiment":"negative","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Amplify Energy dismisses Deloitte, appoints Grant Thornton; material weakness cited","bullets":["Deloitte & Touche dismissed as auditor effective March 9, 2026 after issuing final audit reports.","Grant Thornton appointed as independent registered public accounting firm for fiscal 2026 effective March 11, 2026.","Deloitte's audit report on internal control over financial reporting contained an adverse opinion for a material weakness.","Material weakness related to insufficient controls over changes in personnel with accounting expertise.","No disagreements with Deloitte other than the material weakness; Deloitte agreed with statements in this filing."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-027245","json":"https://secwatch.observer/filing/0001104659-26-027245.json","markdown":"https://secwatch.observer/filing/0001104659-26-027245.md","text":"https://secwatch.observer/filing/0001104659-26-027245.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1533924/000110465926027245/0001104659-26-027245-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1533924/000110465926027245/tm268668d1_8ka.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T12:33:10.701123+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":"41d1d19d95d50a82efe3e0ad6ac52dfcf927fae6","claim":"Amplify Energy Corp. engaged Grant Thornton LLP as its auditor.","evidence_excerpt":"the Audit Committee approved the appointment of Grant Thornton as the Company’s independent registered public accounting firm for Fiscal 2026, effective upon the dismissal of Deloitte and the completion of Grant Thornton’s client acceptance procedures","evidence_source":"SEC 8-K Item 4.01/4.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1533924/000110465926027245/0001104659-26-027245-index.htm","confidence":0.9},{"claim_id":"9933f563b666950bec99e4eab7f88e2030c41a93","claim":"Amplify Energy Corp. dismissed Deloitte & Touche LLP as its auditor.","evidence_excerpt":"he dismissal of Deloitte & Touche LLP (“Deloitte”), effective upon completion of their audit of the Company’s","evidence_source":"SEC 8-K Item 4.01/4.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1533924/000110465926027245/0001104659-26-027245-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 Audit Committee approved the appointment of Grant Thornton as the Company’s independent registered public accounting firm for Fiscal 2026, effective upon the dismissal of Deloitte and the completion of Grant Thornton’s client acceptance procedures","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1533924/000110465926027245/0001104659-26-027245-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 Audit Committee approved the appointment of Grant Thornton as the Company’s independent registered public accounting firm for Fiscal 2026, effective upon the dismissal of Deloitte and the completion of Grant Thornton’s client acceptance procedures","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1533924/000110465926027245/0001104659-26-027245-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 Audit Committee approved the appointment of Grant Thornton as the Company’s independent registered public accounting firm for Fiscal 2026, effective upon the dismissal of Deloitte and the completion of Grant Thornton’s client acceptance procedures","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1533924/000110465926027245/0001104659-26-027245-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 Audit Committee approved the appointment of Grant Thornton as the Company’s independent registered public accounting firm for Fiscal 2026, effective upon the dismissal of Deloitte and the completion of Grant Thornton’s client acceptance procedures","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1533924/000110465926027245/0001104659-26-027245-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 Audit Committee approved the appointment of Grant Thornton as the Company’s independent registered public accounting firm for Fiscal 2026, effective upon the dismissal of Deloitte and the completion of Grant Thornton’s client acceptance procedures","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1533924/000110465926027245/0001104659-26-027245-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 Audit Committee approved the appointment of Grant Thornton as the Company’s independent registered public accounting firm for Fiscal 2026, effective upon the dismissal of Deloitte and the completion of Grant Thornton’s client acceptance procedures","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1533924/000110465926027245/0001104659-26-027245-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 Audit Committee approved the appointment of Grant Thornton as the Company’s independent registered public accounting firm for Fiscal 2026, effective upon the dismissal of Deloitte and the completion of Grant Thornton’s client acceptance procedures","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1533924/000110465926027245/0001104659-26-027245-index.htm","comparable_excerpt":"Also on May 13, 2026, the Audit Committee approved the engagement of Carr, Riggs & Ingram, L.L.C. (“CRI”) as its new independent registered public accounting firm.","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1679268/000162828026035328/0001628280-26-035328-index.htm"}},{"accession":"0001683168-26-003572","ticker":"AAOI","company_name":"APPLIED OPTOELECTRONICS, INC.","filed_at":"2026-05-08T23:59:59+00:00","headline":"Applied Optoelectronics dismisses Grant Thornton, appoints PwC as FY2026 auditor","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/0001683168-26-003572","json":"https://secwatch.observer/filing/0001683168-26-003572.json","markdown":"https://secwatch.observer/filing/0001683168-26-003572.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1158114/000168316826003572/0001683168-26-003572-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1158114/000168316826003572/aaoi_8k.htm"},"side_by_side_evidence":{"fact_type":"auditor_change","source_excerpt":"the Audit Committee approved the appointment of Grant Thornton as the Company’s independent registered public accounting firm for Fiscal 2026, effective upon the dismissal of Deloitte and the completion of Grant Thornton’s client acceptance procedures","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1533924/000110465926027245/0001104659-26-027245-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"}