---
schema_version: "secwatch.filing_event.v1"
accession: "0001438472-26-000012"
form_type: "8-K"
ticker: "MIAX"
cik: "0001438472"
company_name: "MIAMI INTERNATIONAL HOLDINGS, INC."
filed_at: "2026-02-20T23:59:59+00:00"
generated_at: "2026-05-16T01:26:17.396106+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# MIAX issues 2.15M shares via cashless warrant exercise; net dilution of ~2.15M shares

## Summary
- 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.

## SEC filing metadata
- accession: 0001438472-26-000012
- form_type: 8-K
- ticker: MIAX
- cik: 0001438472
- company_name: MIAMI INTERNATIONAL HOLDINGS, INC.
- filed_at: 2026-02-20T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 3.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1438472/000143847226000012/0001438472-26-000012-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1438472/000143847226000012/miax-20260218.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001438472-26-000012
- JSON: https://secwatch.observer/filing/0001438472-26-000012.json
- Plain text: https://secwatch.observer/filing/0001438472-26-000012.txt

## Key facts
- Equity Issuances
  MIAMI INTERNATIONAL HOLDINGS, INC. issued 2,150,894 shares of common stock of common stock to a certain warrant holder for Surrender of 106 shares of Common Stock pursuant to cashless exercise of a warrant.
  - Security: common stock
  - Shares: 2,150,894 shares of common stock
  - Purchaser: a certain warrant holder
  - Consideration: Surrender of 106 shares of Common Stock pursuant to cashless exercise of a warrant
  source text: Since February 9, 2026, the end of the period covered by the most recent report filed on any of Forms 8-K, 10-K or 10-Q under this Item 3.02 by Miami International Holdings, Inc. (the “Company”), through February 18, 2026, the Company issued a total of 2,150,894 shares of its common stock, par value $0.001 per share (“Common Stock”), in connection with the partial exercise of a pre-funded warrant by a certain warrant holder of the Company in consideration for the surrender of 106 shares of Common Stock pursuant to a cashless exercise.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1438472/000143847226000012/0001438472-26-000012-index.htm

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