{"schema_version":"secwatch.filing_event.v1","accession":"0001140361-25-013084","form_type":"8-K","ticker":"TYG","cik":"0001268533","company_name":"TORTOISE ENERGY INFRASTRUCTURE CORP","filed_at":"2025-04-09T23:59:59+00:00","discovered_at":"2026-05-14T18:02:47.803895+00:00","generated_at":"2026-05-23T18:01:36.670957+00:00","sec_items":["4.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"Tortoise Energy Infrastructure replaces EY with Tait Weller & Baker as auditor; no disagreements","bullets":["Board approved Tait, Weller & Baker LLP as new independent auditor on April 3, 2025; Ernst & Young LLP dismissed.","EY's reports for fiscal 2024 and 2023 were unqualified with no adverse opinion or modification.","No disagreements or reportable events (beyond a 2022 material weakness on income tax accounting that was remediated by Nov 2023).","EY provided a letter agreeing with the Fund's disclosures; filed as Exhibit 16.1.","New auditor was not consulted on any accounting matters prior to engagement."],"urls":{"canonical":"https://secwatch.observer/filing/0001140361-25-013084","json":"https://secwatch.observer/filing/0001140361-25-013084.json","markdown":"https://secwatch.observer/filing/0001140361-25-013084.md","text":"https://secwatch.observer/filing/0001140361-25-013084.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1268533/000114036125013084/0001140361-25-013084-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1268533/000114036125013084/ef20047193_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-23T18:01:36.670957+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":"3a7331b1c4e7b846cae905767484fcb1d4fafa7c","claim":"TORTOISE ENERGY INFRASTRUCTURE CORP dismissed Ernst & Young LLP as its auditor.","evidence_excerpt":"On April 8, 2025, the Fund notified Ernst & Young LLP of the Fund’s engagement of Tait, Weller & Baker LLP, and the resulting dismissal of Ernst & Young LLP, as the Fund’s independent registered public accounting firm.","evidence_source":"SEC 8-K Item 4.01/4.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1268533/000114036125013084/0001140361-25-013084-index.htm","confidence":0.9,"family_label":"Auditor Changes","details":[{"label":"Action","value":"dismissal"},{"label":"Auditor","value":"Ernst & Young LLP"},{"label":"Successor","value":"Tait, Weller & Baker LLP"}],"fact_type":"auditor_change"},{"claim_id":"4813fd141635286f9bfb5102ac874f1534cea9e2","claim":"TORTOISE ENERGY INFRASTRUCTURE CORP engaged Tait, Weller & Baker LLP as its auditor.","evidence_excerpt":"At a meeting held on April 3, 2025, the Board of Directors of Tortoise Energy Infrastructure Corporation (the “Fund”) approved the engagement of Tait, Weller & Baker LLP to serve as the independent registered public accounting firm for the Fund.","evidence_source":"SEC 8-K Item 4.01/4.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1268533/000114036125013084/0001140361-25-013084-index.htm","confidence":0.9,"family_label":"Auditor Changes","details":[{"label":"Action","value":"engagement"},{"label":"Auditor","value":"Tait, Weller & Baker LLP"}],"fact_type":"auditor_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}