Kurt M. Eckert
CIK 2080678 · View on SEC EDGAR ↗
Insider
First SEC filing: Aug. 13, 2025 · Latest: June 17, 2026
On this page
Insider at
Insider transactions
0 buys (P)
3 sells (S)
Net:
$-479,763
+ 8 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
8 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 4, 2026 | MIAX | S 10b5-1 | 1,063 | $45.80 | $48,685 | 149,612 Direct | -0.71% | Disposed | -8.8% (price as of 2026-08-19) |
| July 2, 2026 | MIAX | S 10b5-1 | 5,250 | $39.35 | $206,588 | 149,612 Direct | -3.39% | Disposed | 6.1% (price as of 2026-08-19) |
| June 2, 2026 | MIAX | S | 5,250 | $42.76 | $224,490 | 142,375 | — | — | -2.3% (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 |
|---|---|---|---|---|---|---|---|
| Aug. 4, 2026 | MIAX | Stock Option (Right to Buy) | Common Stock (1,063) | $12.00 | May 31, 2027 | 1,063 | Disposed |
| July 2, 2026 | MIAX | Stock Option (Right to Buy) | Common Stock (5,250) | $12.00 | May 31, 2027 | 5,250 | Disposed |
| June 16, 2026 | MIAX | Nonqualified Stock Option (Right to Buy) | Common Stock (7,713) | $40.24 | June 15, 2036 | 7,713 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 15 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Aug. 13, 2025 | MIAX | Common Stock | 120,500 | Direct |
| Aug. 13, 2025 | MIAX | Nonvoting Common Stock→ Common Stock (46,875) | 46,875 | Direct |
| Aug. 13, 2025 | MIAX | Stock Option (Right to Buy)→ Nonvoting Common Stock (12,917) | 12,917 | Direct |
| Aug. 13, 2025 | MIAX | Stock Option (Right to Buy)→ Nonvoting Common Stock (17,188) | 17,188 | Direct |
| Aug. 13, 2025 | MIAX | Stock Option (Right to Buy)→ Nonvoting Common Stock (18,000) | 18,000 | Direct |
| Aug. 13, 2025 | MIAX | Stock Option (Right to Buy)→ Nonvoting Common Stock (22,812) | 22,812 | Direct |
| Aug. 13, 2025 | MIAX | Stock Option (Right to Buy)→ Nonvoting Common Stock (125) | 125 | Direct |
| Aug. 13, 2025 | MIAX | Stock Option (Right to Buy)→ Nonvoting Common Stock (30,156) | 30,156 | Direct |
| Aug. 13, 2025 | MIAX | Stock Option (Right to Buy)→ Nonvoting Common Stock (22,223) | 22,223 | Direct |
| Aug. 13, 2025 | MIAX | Stock Option (Right to Buy)→ Common Stock (17,704) | 17,704 | Direct |
| Aug. 13, 2025 | MIAX | Stock Option (Right to Buy)→ Common Stock (14,729) | 14,729 | Direct |
| Aug. 13, 2025 | MIAX | Stock Option (Right to Buy)→ Common Stock (539) | 539 | Direct |
| Aug. 13, 2025 | MIAX | Stock Option (Right to Buy)→ Common Stock (2,709) | 2,709 | Direct |
| Aug. 13, 2025 | MIAX | Stock Option (Right to Buy)→ Common Stock (17,966) | 17,966 | Direct |
| Aug. 13, 2025 | MIAX | Stock Option (Right to Buy)→ Common Stock (16,611) | 16,611 | Direct |