John Smollen
CIK 2080703 · View on SEC EDGAR ↗
First SEC filing: Aug. 13, 2025 · Latest: June 18, 2026
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Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 16, 2026 | MIAX | A | 5,184 | — | — | 5,184 Direct | — | Acquired | (price as of 2026-08-19) |
| June 16, 2026 | MIAX | A | 2,485 | — | — | 2,485 Direct | — | Acquired | (price as of 2026-08-19) |
| June 16, 2026 | MIAX | A | 7,455 | — | — | 178,212 Direct | +4.37% | Acquired | (price as of 2026-08-19) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 16, 2026 | MIAX | Nonqualified Stock Option (Right to Buy) | Common Stock (5,184) | $40.24 | June 15, 2036 | 5,184 | Acquired |
| June 16, 2026 | MIAX | Incentive Stock Option (Right to Buy) | Common Stock (2,485) | $40.24 | June 15, 2036 | 2,485 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 18 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Aug. 13, 2025 | MIAX | Common Stock | 2,226 | Direct |
| Aug. 13, 2025 | MIAX | Series B Preferred Stock→ Common Stock (91,666) | 91,666 | Indirect |
| Aug. 13, 2025 | MIAX | Nonvoting Common Stock→ Common Stock (65,947) | 65,947 | Direct |
| Aug. 13, 2025 | MIAX | Incentive Stock Option (Right to Buy)→ Series B Preferred Stock (24,999) | 24,999 | Direct |
| Aug. 13, 2025 | MIAX | Incentive Stock Option (Right to Buy)→ Nonvoting Common Stock (24,999) | 24,999 | Direct |
| Aug. 13, 2025 | MIAX | Incentive Stock Option (Right to Buy)→ Nonvoting Common Stock (8,333) | 8,333 | Direct |
| Aug. 13, 2025 | MIAX | Incentive Stock Option (Right to Buy)→ Nonvoting Common Stock (6,570) | 6,570 | Direct |
| Aug. 13, 2025 | MIAX | Incentive Stock Option (Right to Buy)→ Nonvoting Common Stock (7,757) | 7,757 | Direct |
| Aug. 13, 2025 | MIAX | Incentive Stock Option (Right to Buy)→ Common Stock (5,041) | 5,041 | Direct |
| Aug. 13, 2025 | MIAX | Incentive Stock Option (Right to Buy)→ Common Stock (8,928) | 8,928 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy)→ Series B Preferred Stock (125,001) | 125,001 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy)→ Nonvoting Common Stock (75,001) | 75,001 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy)→ Nonvoting Common Stock (104,167) | 104,167 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy)→ Nonvoting Common Stock (80,930) | 80,930 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy)→ Nonvoting Common Stock (29,743) | 29,743 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy)→ Common Stock (32,459) | 32,459 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy)→ Common Stock (37,500) | 37,500 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy)→ Common Stock (16,072) | 16,072 | Direct |