{"schema_version":"secwatch.filing_event.v1","accession":"0001140361-26-017415","form_type":"8-K","ticker":"TYG","cik":"0001268533","company_name":"TORTOISE ENERGY INFRASTRUCTURE CORP","filed_at":"2026-04-28T23:59:59+00:00","discovered_at":"2026-05-14T18:02:32.071613+00:00","generated_at":"2026-05-15T02:44:27.364957+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"TYG director Alexandra Herger resigns, effective July 1, 2026","bullets":["Herger also resigns as Chair of Nominating and Governance Committee effective April 24, 2026.","Resignation is not due to any disagreement with the Company on operations, policies, or board matters.","No replacement named in the filing; effective date of resignation is July 1, 2026."],"urls":{"canonical":"https://secwatch.observer/filing/0001140361-26-017415","json":"https://secwatch.observer/filing/0001140361-26-017415.json","markdown":"https://secwatch.observer/filing/0001140361-26-017415.md","text":"https://secwatch.observer/filing/0001140361-26-017415.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1268533/000114036126017415/0001140361-26-017415-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1268533/000114036126017415/ef20071642_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T02:44:27.364957+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":"1234ed92c2","claim":"Alexandra Herger resigned as Director at TORTOISE ENERGY INFRASTRUCTURE CORP.","evidence_excerpt":"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/1268533/000114036126017415/0001140361-26-017415-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"}