{"filings":[{"id":1111556,"accession_number":"0001438472-26-000030","cik":1438472,"company_name":"MIAMI INTERNATIONAL HOLDINGS, INC.","ticker":"MIAX","form_type":"8-K","filed_at":"2026-06-17T20:18:37+00:00","items":["5.02"],"status":"ready","headline":"MIAX adopts Senior Executive Annual Bonus Plan effective Jan 1, 2026","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["Bonus Plan approved by Compensation Committee on June 15, 2026, for performance periods starting Jan 1, 2026.","Plan covers executive officers and other employees designated by CEO; administered by Compensation Committee for execs, CEO for others.","Awards earned based on achievement of performance metrics each fiscal year; can be paid in cash or common stock under 2022 Equity Incentive Plan.","Payments subject to Company clawback policy and applicable law."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"market_cap_usd":4598248389.978092,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":92885,"accession_number":"0001628280-26-031291","cik":1438472,"company_name":"MIAMI INTERNATIONAL HOLDINGS, INC.","ticker":"MIAX","form_type":"8-K","filed_at":"2026-05-06T23:59:59+00:00","items":["2.02","9.01"],"status":"ready","headline":"MIAX Q1 net revenue $128.6M (+40% YoY); adjusted EPS $0.42, EBITDA margin 51%","summary_kind":"llm","event_type":"earnings","confidence":"high","bullets":["Q1 net revenue $128.6M (+40% YoY); GAAP diluted EPS $1.56; adjusted diluted EPS $0.42.","Adjusted EBITDA $66.1M (+66% YoY); margin 51% (up 800 bps); options market share 17.3%.","Options avg daily volume 10.9M contracts (+27% YoY); sale of MIAXdx contributed $50.5M gain.","International net revenue $5.6M (up from $0.8M) on TISE acquisition; Equities segment turned positive.","Reaffirms FY2026 adjusted opex guidance $265M-$275M; capex $40M-$45M."],"consensus_eps_estimate":null,"consensus_eps_actual":1.56,"consensus_revenue_estimate":null,"consensus_revenue_actual":369690000.0,"consensus_period":"2026-Q1","consensus_source":"xbrl_only","sentiment":"positive","materiality_score":0.85,"calibrated_materiality_score":0.85,"market_cap_usd":4598248389.978092,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":92884,"accession_number":"0001628280-26-027311","cik":1438472,"company_name":"MIAMI INTERNATIONAL HOLDINGS, INC.","ticker":"MIAX","form_type":"8-K","filed_at":"2026-04-27T23:59:59+00:00","items":["5.02"],"status":"ready","headline":"Miami International Holdings elects Eric Sites as director to fill vacancy","summary_kind":"llm","event_type":"leadership","confidence":"high","bullets":["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."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"market_cap_usd":4598248389.978092,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":92883,"accession_number":"0001438472-26-000026","cik":1438472,"company_name":"MIAMI INTERNATIONAL HOLDINGS, INC.","ticker":"MIAX","form_type":"8-K","filed_at":"2026-04-09T23:59:59+00:00","items":["5.02"],"status":"ready","headline":"Miami International Holdings announces death of director Murray Stahl on April 9, 2026","summary_kind":"llm","event_type":"leadership","confidence":"high","bullets":["Director Murray Stahl passed away; company announced his passing on April 9, 2026.","No replacement board member has been disclosed.","Company expressed gratitude for Stahl's dedication and service.","Stahl was a valued member of the Board; no further details on operational impact."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"market_cap_usd":4598248389.978092,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":104079,"accession_number":"0001628280-26-021455","cik":1438472,"company_name":"MIAMI INTERNATIONAL HOLDINGS, INC.","ticker":"MIAX","form_type":"8-K","filed_at":"2026-03-26T23:59:59+00:00","items":["5.02"],"status":"ready","headline":"Director Lee Becker not standing for reelection; Jill E. Sommers appointed to board","summary_kind":"llm","event_type":"leadership","confidence":"high","bullets":["Lee Becker will not stand for reelection at the 2026 Annual Meeting; no disagreement with company.","Jill E. Sommers elected to fill a vacancy effective March 25, 2026, term expires at Annual Meeting.","Ms. Sommers to receive same compensation as other non-employee directors; not on any committees.","No family relationships or transactions with company; standard indemnification agreement executed."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"market_cap_usd":4598248389.978092,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":104078,"accession_number":"0001438472-26-000019","cik":1438472,"company_name":"MIAMI INTERNATIONAL HOLDINGS, INC.","ticker":"MIAX","form_type":"8-K","filed_at":"2026-03-02T23:59:59+00:00","items":["3.02"],"status":"ready","headline":"Issues 1.03M shares via cashless warrant exercises","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["Issued 1,033,166 shares of common stock to two warrant holders via cashless exercises.","842,531 shares issued for surrender of 44 shares under pre-funded warrants.","190,635 shares issued for surrender of 29,360 shares under warrants with $5.50 exercise price.","Transaction exempt from registration under Section 4(a)(2) of the Securities Act."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.15,"calibrated_materiality_score":0.15,"market_cap_usd":4598248389.978092,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":104077,"accession_number":"0001438472-26-000017","cik":1438472,"company_name":"MIAMI INTERNATIONAL HOLDINGS, INC.","ticker":"MIAX","form_type":"8-K","filed_at":"2026-02-25T23:59:59+00:00","items":["2.02","9.01"],"status":"ready","headline":"MIAX Q4 net revenue $124.5M (+52% YoY), adjusted EBITDA $62.2M (+112%); sets FY2026 guidance","summary_kind":"llm","event_type":"earnings","confidence":"high","bullets":["Q4 GAAP diluted EPS $0.27; adjusted diluted EPS $0.52.","FY2025 net revenue $430.5M (+56% YoY); GAAP diluted EPS ($1.00), adjusted diluted EPS $1.82.","Options exchanges record average daily volume 11.1M contracts (+46.5% YoY); market share 18.2%.","Completed sale of 90% of MIAXdx to Robinhood/Susquehanna JV in Jan 2026; retained 10%.","FY2026 adjusted opex guidance $265M-275M; capex $40M-45M; D&A $33M-38M."],"consensus_eps_estimate":null,"consensus_eps_actual":-1.0,"consensus_revenue_estimate":null,"consensus_revenue_actual":1364073000.0,"consensus_period":"2025-FY","consensus_source":"xbrl_only","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"market_cap_usd":4598248389.978092,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":104076,"accession_number":"0001438472-26-000012","cik":1438472,"company_name":"MIAMI INTERNATIONAL HOLDINGS, INC.","ticker":"MIAX","form_type":"8-K","filed_at":"2026-02-20T23:59:59+00:00","items":["3.02"],"status":"ready","headline":"MIAX issues 2.15M shares via cashless warrant exercise; net dilution of ~2.15M shares","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["Issued 2,150,894 shares of common stock on Feb 18, 2026, via cashless exercise of a pre-funded warrant.","Holder surrendered 106 shares as consideration; net increase in shares outstanding of ~2.15 million.","No cash proceeds received from the cashless warrant exercise; impact on diluted share count immediate."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"market_cap_usd":4598248389.978092,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":104075,"accession_number":"0001438472-26-000010","cik":1438472,"company_name":"MIAMI INTERNATIONAL HOLDINGS, INC.","ticker":"MIAX","form_type":"8-K","filed_at":"2026-02-12T23:59:59+00:00","items":["3.02"],"status":"ready","headline":"Miami International Holdings issues 3.97M shares since Dec 15 via note conversion and warrant exercises","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["Total of 3,973,663 common shares issued between Dec 15, 2025 and Feb 9, 2026.","Conversion of $61,242 in accrued interest on a $1.5M convertible promissory note at $20.50/share.","Warrant exercises provided $462,976 in cash and surrender of 72,135 shares via cashless exercises.","Largest single issuance: 3,799,820 shares on Feb 9 from cashless warrant exercise."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"market_cap_usd":4598248389.978092,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":104074,"accession_number":"0001438472-26-000008","cik":1438472,"company_name":"MIAMI INTERNATIONAL HOLDINGS, INC.","ticker":"MIAX","form_type":"8-K","filed_at":"2026-01-21T23:59:59+00:00","items":["8.01","9.01"],"status":"ready","headline":"MIAX completes sale of 90% of MIAX Derivatives Exchange to Robinhood-Susquehanna JV","summary_kind":"llm","event_type":"m_and_a","confidence":"high","bullets":["Sold 90% of MIAXdx equity to joint venture by Robinhood (HOOD) and Susquehanna International Group.","MIAX retains 10% stake in MIAXdx, a CFTC-regulated DCM/DCO for fully collateralized futures and options.","Transaction effective Jan 20, 2026; no purchase price or financial terms disclosed.","CEO says sale unlocks shareholder value and allows focus on core exchange growth."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"positive","materiality_score":0.65,"calibrated_materiality_score":0.65,"market_cap_usd":4598248389.978092,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":120359,"accession_number":"0001628280-25-057039","cik":1438472,"company_name":"MIAMI INTERNATIONAL HOLDINGS, INC.","ticker":"MIAX","form_type":"8-K","filed_at":"2025-12-15T23:59:59+00:00","items":["3.02","8.01"],"status":"ready","headline":"Miami International Holdings secondary offering of 6.75M shares by stockholders; 4M shares issued unregistered","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["Existing stockholders sold 6,750,000 shares in secondary offering at $41.00 per share; company received no proceeds.","Underwriters fully exercised option to purchase an additional 1,012,500 shares at $41.00 each.","Company issued 4,006,946 shares of common stock through conversions of a $5,000,000 convertible note and warrant exercises since September 30, 2025.","Conversions included 317,787 shares from principal plus interest on the $5 million note at $16.00 per share.","Warrant exercises yielded $2,419,500 cash and surrender of 733,923 shares via cashless exercises."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"market_cap_usd":4598248389.978092,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":120358,"accession_number":"0001438472-25-000016","cik":1438472,"company_name":"MIAMI INTERNATIONAL HOLDINGS, INC.","ticker":"MIAX","form_type":"8-K","filed_at":"2025-11-26T23:59:59+00:00","items":["8.01","9.01"],"status":"ready","headline":"MIAX sells 90% of MIAXdx to Robinhood & Susquehanna; retains 10% stake","summary_kind":"llm","event_type":"m_and_a","confidence":"high","bullets":["MIAX to sell 90% of MIAXdx to Robinhood Markets (NASDAQ:HOOD) in partnership with Susquehanna International Group.","MIAX will retain the remaining 10% equity interest in MIAXdx, a CFTC-regulated DCM and DCO.","Transaction expected to close in Q1 2026, subject to customary closing conditions and CFTC filings.","CEO Thomas Gallagher cites expedited access to prediction markets and strategic alignment with industry leaders.","No purchase price disclosed; MIAX's retained stake provides continued exposure to prediction markets."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"positive","materiality_score":0.7,"calibrated_materiality_score":0.7,"market_cap_usd":4598248389.978092,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":120357,"accession_number":"0001628280-25-049650","cik":1438472,"company_name":"MIAMI INTERNATIONAL HOLDINGS, INC.","ticker":"MIAX","form_type":"8-K","filed_at":"2025-11-05T23:59:59+00:00","items":["2.02","9.01"],"status":"ready","headline":"MIH Q3 net revenue +57% to $109.5M; GAAP net loss $102.1M due to IPO/debt extinguishment costs","summary_kind":"llm","event_type":"earnings","confidence":"high","bullets":["Net revenue $109.5M (+57% YoY); options segment net revenue $94.5M (+55%).","GAAP net loss $102.1M ($1.46 diluted EPS loss); adjusted diluted EPS $0.42 (up 282% YoY).","Adjusted EBITDA $48.0M, more than doubling YoY; margin expanded to 44% from 27%.","IPO raised $396.8M in August 2025; repaid $178.4M senior secured debt in September.","Options exchanges achieved record 9.6M ADV contracts, 17.2% market share; TISE acquisition contributed $5.5M intl. net revenue."],"consensus_eps_estimate":null,"consensus_eps_actual":-1.51,"consensus_revenue_estimate":null,"consensus_revenue_actual":994639000.0,"consensus_period":"2025-Q3","consensus_source":"xbrl_only","sentiment":"positive","materiality_score":0.85,"calibrated_materiality_score":0.85,"market_cap_usd":4598248389.978092,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":120356,"accession_number":"0001628280-25-044597","cik":1438472,"company_name":"MIAMI INTERNATIONAL HOLDINGS, INC.","ticker":"MIAX","form_type":"8-K","filed_at":"2025-10-08T23:59:59+00:00","items":["5.02"],"status":"ready","headline":"Director Jamil Nazarali resigns from Miami International Holdings board, effective October 3, 2025","summary_kind":"llm","event_type":"leadership","confidence":"high","bullets":["Jamil Nazarali resigned as director to pursue other professional opportunities; no dispute with company.","Resignation effective October 3, 2025; no successor named.","Board size reduced; no impact on committee composition disclosed."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"market_cap_usd":4598248389.978092,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":136930,"accession_number":"0001438472-25-000003","cik":1438472,"company_name":"MIAMI INTERNATIONAL HOLDINGS, INC.","ticker":"MIAX","form_type":"8-K","filed_at":"2025-08-19T23:59:59+00:00","items":["1.02"],"status":"ready","headline":"Miami International Holdings terminates $178.5M loan with Warburg Pincus affiliate","summary_kind":"llm","event_type":"debt","confidence":"high","bullets":["Terminated 2029 Senior Secured Loan Agreement with Skylight Aggregator, L.P. (Warburg Pincus affiliate) on Aug 18, 2025.","Repaid $178.5M of outstanding principal plus accrued interest, premium, and fees.","All credit commitments, security interests, and guarantees under the agreement were released.","No further details on replacement financing or reason for termination provided."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"market_cap_usd":4598248389.978092,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":136929,"accession_number":"0001628280-25-040532","cik":1438472,"company_name":"MIAMI INTERNATIONAL HOLDINGS, INC.","ticker":"MIAX","form_type":"8-K","filed_at":"2025-08-15T23:59:59+00:00","items":["3.02","8.01"],"status":"ready","headline":"Miami International Holdings completes IPO of 17.25M shares at $23, gross proceeds $396.8M","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["IPO closed August 15, 2025, with 17,250,000 shares sold at $23.00 per share, including full underwriter over-allotment of 2,250,000 shares.","Gross proceeds to company of $396.8 million before underwriting discounts and expenses.","All outstanding Series B preferred and nonvoting common converted into 4,525,000 common shares immediately prior to IPO closing."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"positive","materiality_score":0.9,"calibrated_materiality_score":0.9,"market_cap_usd":4598248389.978092,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null}],"next_cursor":null}