---
schema_version: "secwatch.filing_event.v1"
accession: "0001438472-26-000010"
form_type: "8-K"
ticker: "MIAX"
cik: "0001438472"
company_name: "MIAMI INTERNATIONAL HOLDINGS, INC."
filed_at: "2026-02-12T23:59:59+00:00"
generated_at: "2026-05-16T02:58:41.427453+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Miami International Holdings issues 3.97M shares since Dec 15 via note conversion and warrant exercises

## Summary
- 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.

## SEC filing metadata
- accession: 0001438472-26-000010
- form_type: 8-K
- ticker: MIAX
- cik: 0001438472
- company_name: MIAMI INTERNATIONAL HOLDINGS, INC.
- filed_at: 2026-02-12T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 3.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1438472/000143847226000010/0001438472-26-000010-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1438472/000143847226000010/miax-20260209.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001438472-26-000010
- JSON: https://secwatch.observer/filing/0001438472-26-000010.json
- Plain text: https://secwatch.observer/filing/0001438472-26-000010.txt

## Key facts
- Equity Issuances
  MIAMI INTERNATIONAL HOLDINGS, INC. issued 2,987 of common stock for Conversion of $61,242 worth of accrued but unpaid interest under a convertible promissory note at a price per share of $20.50.
  - Security: common stock
  - Shares: 2,987
  - Consideration: Conversion of $61,242 worth of accrued but unpaid interest under a convertible promissory note at a price per share of $20.50
  source text: Common Stock 1/2/2026 2,987 Conversion of $61,242 worth of accrued but unpaid interest under a convertible promissory note at a price per share of $20.50.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1438472/000143847226000010/0001438472-26-000010-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.