secwatch.observer — SEC 8-K summary ====================================== Issuer: MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) CIK: 0001438472 Form: 8-K Filed at: 2026-04-27T23:59:59+00:00 Accession: 0001628280-26-027311 Event type: leadership Sentiment: neutral Materiality: 0.25 Item codes: 5.02 LLM model: deepseek-v4-flash:cloud@v2 Miami International Holdings elects Eric Sites as director to fill vacancy -------------------------------------------------------------------------- - Eric Sites elected to board effective April 24, 2026, filling existing vacancy. - Term until 2026 Annual Meeting of Shareholders or successor elected and qualified. - No committee appointments; compensation same as other non-employee directors. - No family relationships with directors or officers; no reportable transactions. - Entered standard indemnification agreement covering expenses from board service. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1438472/000162828026027311/0001628280-26-027311-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1438472/000162828026027311/miax-20260423.htm HTML page: https://secwatch.observer/filing/0001628280-26-027311 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer