secwatch.observer — SEC 8-K summary
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Issuer:     MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)
CIK:        0001438472
Form:       8-K
Filed at:   2025-12-15T23:59:59+00:00
Accession:  0001628280-25-057039
Event type: other_material
Sentiment:  neutral
Materiality: 0.70
Item codes: 3.02, 8.01
LLM model:  deepseek-v4-flash:cloud

Miami International Holdings secondary offering of 6.75M shares by stockholders; 4M shares issued unregistered
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- 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.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1438472/000162828025057039/0001628280-25-057039-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1438472/000162828025057039/miax-20251215.htm
  HTML page:      https://secwatch.observer/filing/0001628280-25-057039

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