Key facts
- This page summarizes John Beckelman's Form 4 filing for MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX).
- 2 reported transactions and 1 derivative row are listed below.
- Accepted by SEC: 10 Apr 2026, 18:41.
John Beckelman - 09 Apr 2026 Form 4 Insider Report for MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)
- Reporting relationship
- Director
- Issuer ticker
- MIAX
- Reported as of
- 09 Apr 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 10 Apr 2026, 18:41:12 UTC
- Prior SEC filing
- 19 Aug 2025
- Next SEC filing
- 17 Jun 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/Alessandra Maria Corona Henriques, Attorney-in-Fact
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
John Beckelman filed Form 4 for MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) on 10 Apr 2026.
Change
- Previous filing in this sequence was filed on 19 Aug 2025.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0002080508
Primary reporting owner
Beckelman John
- Relationship
- Director
- Address
- C/O MIAMI INTERNATIONAL HOLDINGS, INC., 7 ROSZEL ROAD, SUITE 1A, PRINCETON
- Signature
- /s/Alessandra Maria Corona Henriques, Attorney-in-Fact
- Signature date
- 10 Apr 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
MIAX
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +8,667
- Change %
- Price
- $12.00*
- Shares after
- 8,667
- Date
- 09 Apr 2026
- Ownership
- Direct
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
MIAX
transaction
Derivative
Stock Option (Right to Buy)
Options Exercise
- Transaction value
- Shares
- -8,667
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 09 Apr 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 8,667
- Exercise price
- $12.00
- Footnotes
- F1
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 1 footnote
Footnote F1
The options are fully vested.