{"schema_version":"secwatch.filing_event.v1","accession":"0001140361-26-027101","form_type":"8-K","ticker":"TYG","cik":"0001268533","company_name":"TORTOISE ENERGY INFRASTRUCTURE CORP","filed_at":"2026-07-01T14:02:03+00:00","discovered_at":"2026-07-01T14:03:01.344278+00:00","generated_at":"2026-07-01T14:03:05.813086+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Director Alexandra Herger resigns; John Maxwell appointed to board effective July 1, 2026","bullets":["Alexandra Herger resigned as director effective July 1, 2026, as previously disclosed on April 24, 2026.","John Maxwell, 63, appointed to succeed Herger and serve on Nominating and Governance Committee.","Maxwell nominated for full 3-year term as Class I director at 2026 Annual Meeting.","Maxwell is retired lead portfolio manager (Delaware Ivy/Waddell & Reed, 2006-2021) and holds CFA.","No material relationships with company or adviser; compensation per standard director plan."],"urls":{"canonical":"https://secwatch.observer/filing/0001140361-26-027101","json":"https://secwatch.observer/filing/0001140361-26-027101.json","markdown":"https://secwatch.observer/filing/0001140361-26-027101.md","text":"https://secwatch.observer/filing/0001140361-26-027101.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1268533/000114036126027101/0001140361-26-027101-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1268533/000114036126027101/ef20077055_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-07-01T14:03:05.813086+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":"72e3393f4c","claim":"John Maxwell was appointed as Director at TORTOISE ENERGY INFRASTRUCTURE CORP.","evidence_excerpt":"Effective July 1, 2026, in connection with the effective date of Ms. Herger’s resignation, the Board of Directors appointed John Maxwell, age 63, to succeed Ms. Herger as a director of the Company, and to serve as a member of the Nominating and Governance Committee of the Board of Directors.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1268533/000114036126027101/0001140361-26-027101-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"9d706e79c8","claim":"Alexandra Herger resigned as Director at TORTOISE ENERGY INFRASTRUCTURE CORP.","evidence_excerpt":"As previously disclosed, by letter dated April 24, 2026, Alexandra Herger advised the Board of Directors of Tortoise Energy Infrastructure Corporation (“ TYG ” or the “ Company ”) of her decision to resign as a director of TYG, effective as of July 1, 2026.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1268533/000114036126027101/0001140361-26-027101-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}