Smollen John
SEC insider (Form 3/4/5 filer). CIK 0002080703. EVP, New Product Development at MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX). 28 reported Form 4/5 transactions since Sep 2024; latest on Jun 16, 2026. Located in PRINCETON, NJ.
Companies Smollen John has filed insider reports for
- MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX): Officer, EVP, New Product Development
Smollen John
CIK: 0002080703
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
MIAMI INTERNATIONAL HOLDINGS, INC.
Discretionary Trading P&L
Holdings
Transaction History (28 total)
- Jun 16, 2026MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
AwardDirect7.5K shares- - Mar 30, 2026MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Tax PaymentDirect362 shares at avg. $37.50$14K - Sep 11, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Tax PaymentDirect52.1K shares at avg. $37.39$1.9M - Sep 11, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
ExerciseDirect25K shares at avg. $12.00$300K - Sep 11, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
ExerciseDirect125K shares at avg. $12.00$1.5M - Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
ConversionIndirect91.7K shares- - Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
ExerciseDirectIncentive Stock Option (Right to Buy)
25K shares- - Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
ExerciseDirectIncentive Stock Option (Right to Buy)
25K shares- - Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
ConversionDirect73.2K shares- - Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
ExerciseDirectIncentive Stock Option (Right to Buy)
25K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 16, 2026 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Award | 7,455 | - | $0 | Direct |
| Mar 30, 2026 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Tax Payment | 362 | $37.50 | $13,575 | Direct |
| Sep 11, 2025 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Tax Payment | 52,054 | $37.39 | $1,946,299 | Direct |
| Sep 11, 2025 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Exercise | 24,999 | $12.00 | $299,988 | Direct |
| Sep 11, 2025 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Exercise | 125,001 | $12.00 | $1,500,012 | Direct |
| Aug 15, 2025 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Conversion | 91,666 | - | - | Indirect |
| Aug 15, 2025 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Exercise Incentive Stock Option (Right to Buy) | 24,999 | - | - | Direct |
| Aug 15, 2025 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Exercise Incentive Stock Option (Right to Buy) | 24,999 | - | - | Direct |
| Aug 15, 2025 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Conversion | 73,173 | - | - | Direct |
| Aug 15, 2025 | MIAX MIAMI INTERNATIONAL HOLDINGS, INC. | Exercise Incentive Stock Option (Right to Buy) | 24,999 | - | - | Direct |
1-10 of 28 transactions