Kurt M. Eckert
Insider
First SEC filing: Aug. 13, 2025 · Latest: June 17, 2026
Insider at
Insider transactions
0 buys (P)
5 sells (S)
Net: $-2,224,532
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 4, 2026 | MIAX | M 10b5-1 | 1,063 | $12.00 | $12,756 | 150,675 Direct | +0.71% | Acquired | 175.1% (price as of 2026-10-02) |
| Aug. 4, 2026 | MIAX | S 10b5-1 | 1,063 | $45.80 | $48,685 | 149,612 Direct | -0.71% | Disposed | -27.9% (price as of 2026-10-02) |
| Aug. 4, 2026 | MIAX | M 10b5-1 | 1,063 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 2, 2026 | MIAX | M 10b5-1 | 5,250 | · | · | 1,063 Direct | -83.16% | Disposed | (price as of 2026-10-02) |
| July 2, 2026 | MIAX | S 10b5-1 | 5,250 | $39.35 | $206,588 | 149,612 Direct | -3.39% | Disposed | -16.1% (price as of 2026-10-02) |
| July 2, 2026 | MIAX | M 10b5-1 | 5,250 | $12.00 | $63,000 | 154,862 Direct | +3.51% | Acquired | 175.1% (price as of 2026-10-02) |
| June 16, 2026 | MIAX | A | 7,713 | · | · | 7,713 Direct | · | Acquired | (price as of 2026-10-02) |
| June 16, 2026 | MIAX | A | 4,970 | · | · | 149,612 Direct | +3.44% | Acquired | (price as of 2026-10-02) |
| June 15, 2026 | MIAX | A | 2,267 | · | · | 144,642 Direct | +1.59% | Acquired | (price as of 2026-10-02) |
| June 2, 2026 | MIAX | M 10b5-1 | 5,250 | $12.00 | $63,000 | 147,625 Direct | +3.69% | Acquired | 175.1% (price as of 2026-10-02) |
| June 2, 2026 | MIAX | S 10b5-1 | 5,250 | $42.76 | $224,490 | 142,375 Direct | -3.56% | Disposed | -22.8% (price as of 2026-10-02) |
| June 2, 2026 | MIAX | M 10b5-1 | 5,250 | · | · | 6,313 Direct | -45.40% | Disposed | (price as of 2026-10-02) |
| May 4, 2026 | MIAX | M 10b5-1 | 5,625 | $12.00 | $67,500 | 148,000 Direct | +3.95% | Acquired | 175.1% (price as of 2026-10-02) |
| May 4, 2026 | MIAX | S 10b5-1 | 5,625 | $47.29 | $266,006 | 142,375 Direct | -3.80% | Disposed | -30.2% (price as of 2026-10-02) |
| May 4, 2026 | MIAX | M 10b5-1 | 5,625 | · | · | 11,563 Direct | -32.73% | Disposed | (price as of 2026-10-02) |
| March 19, 2026 | MIAX | M | 12,917 | $12.00 | $155,004 | 180,292 Direct | +7.72% | Acquired | 175.1% (price as of 2026-10-02) |
| March 19, 2026 | MIAX | S 10b5-1 | 37,917 | $39.00 | $1,478,763 | 142,375 Direct | -21.03% | Disposed | -15.4% (price as of 2026-10-02) |
| March 19, 2026 | MIAX | M | 12,917 | $12.00 | $155,004 | 0 Direct | -100.00% | Disposed | 175.1% (price as of 2026-10-02) |
| Aug. 15, 2025 | MIAX | C | 46,875 | · | · | 167,375 Direct | +38.90% | Acquired | (price as of 2026-10-02) |
| Aug. 15, 2025 | MIAX | C | 46,875 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 15, 2025 | MIAX | M | 12,917 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 15, 2025 | MIAX | M | 12,917 | · | · | 12,917 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 15, 2025 | MIAX | M | 17,188 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 15, 2025 | MIAX | M | 17,188 | · | · | 17,188 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 15, 2025 | MIAX | M | 18,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 15, 2025 | MIAX | M | 18,000 | · | · | 18,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 15, 2025 | MIAX | M | 22,812 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 15, 2025 | MIAX | M | 22,812 | · | · | 22,812 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 15, 2025 | MIAX | M | 125 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 15, 2025 | MIAX | M | 125 | · | · | 125 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 15, 2025 | MIAX | M | 30,156 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 15, 2025 | MIAX | M | 30,156 | · | · | 30,156 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 15, 2025 | MIAX | M | 22,223 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 15, 2025 | MIAX | M | 22,223 | · | · | 22,223 Direct | · | Acquired | (price as of 2026-10-02) |
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 | $12.00 | May 31, 2027 | 1,063 | Disposed |
| July 2, 2026 | MIAX | Stock Option (Right to Buy) | Common Stock | $12.00 | May 31, 2027 | 5,250 | Disposed |
| June 16, 2026 | MIAX | Nonqualified Stock Option (Right to Buy) | Common Stock | $40.24 | June 15, 2036 | 7,713 | Acquired |
| June 2, 2026 | MIAX | Stock Option (Right to Buy) | Common Stock | $12.00 | May 31, 2027 | 5,250 | Disposed |
| May 4, 2026 | MIAX | Stock Option (Right to Buy) | Common Stock | $12.00 | May 31, 2027 | 5,625 | Disposed |
| March 19, 2026 | MIAX | Stock Option (Right to Buy) | Common Stock | $12.00 | June 19, 2026 | 12,917 | Disposed |
| Aug. 15, 2025 | MIAX | Nonvoting Common Stock | Common Stock | · | · | 46,875 | Disposed |
| Aug. 15, 2025 | MIAX | Stock Option (Right to Buy) | Nonvoting Common Stock | · | June 19, 2026 | 12,917 | Disposed |
| Aug. 15, 2025 | MIAX | Stock Option (Right to Buy) | Common Stock | · | June 19, 2026 | 12,917 | Acquired |
| Aug. 15, 2025 | MIAX | Stock Option (Right to Buy) | Nonvoting Common Stock | · | May 31, 2027 | 17,188 | Disposed |
| Aug. 15, 2025 | MIAX | Stock Option (Right to Buy) | Common Stock | · | May 31, 2027 | 17,188 | Acquired |
| Aug. 15, 2025 | MIAX | Stock Option (Right to Buy) | Nonvoting Common Stock | · | April 30, 2028 | 18,000 | Disposed |
| Aug. 15, 2025 | MIAX | Stock Option (Right to Buy) | Common Stock | · | April 30, 2028 | 18,000 | Acquired |
| Aug. 15, 2025 | MIAX | Stock Option (Right to Buy) | Nonvoting Common Stock | · | May 31, 2029 | 22,812 | Disposed |
| Aug. 15, 2025 | MIAX | Stock Option (Right to Buy) | Common Stock | · | May 31, 2029 | 22,812 | Acquired |
| Aug. 15, 2025 | MIAX | Stock Option (Right to Buy) | Nonvoting Common Stock | · | June 30, 2029 | 125 | Disposed |
| Aug. 15, 2025 | MIAX | Stock Option (Right to Buy) | Common Stock | · | June 30, 2029 | 125 | Acquired |
| Aug. 15, 2025 | MIAX | Stock Option (Right to Buy) | Nonvoting Common Stock | · | June 30, 2030 | 30,156 | Disposed |
| Aug. 15, 2025 | MIAX | Stock Option (Right to Buy) | Common Stock | · | June 30, 2030 | 30,156 | Acquired |
| Aug. 15, 2025 | MIAX | Stock Option (Right to Buy) | Nonvoting Common Stock | · | May 31, 2031 | 22,223 | Disposed |
| Aug. 15, 2025 | MIAX | Stock Option (Right to Buy) | Common Stock | · | May 31, 2031 | 22,223 | 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 | 46,875 | Direct |
| Aug. 13, 2025 | MIAX | Stock Option (Right to Buy) | 12,917 | Direct |
| Aug. 13, 2025 | MIAX | Stock Option (Right to Buy) | 17,188 | Direct |
| Aug. 13, 2025 | MIAX | Stock Option (Right to Buy) | 18,000 | Direct |
| Aug. 13, 2025 | MIAX | Stock Option (Right to Buy) | 22,812 | Direct |
| Aug. 13, 2025 | MIAX | Stock Option (Right to Buy) | 125 | Direct |
| Aug. 13, 2025 | MIAX | Stock Option (Right to Buy) | 30,156 | Direct |
| Aug. 13, 2025 | MIAX | Stock Option (Right to Buy) | 22,223 | Direct |
| Aug. 13, 2025 | MIAX | Stock Option (Right to Buy) | 17,704 | Direct |
| Aug. 13, 2025 | MIAX | Stock Option (Right to Buy) | 14,729 | Direct |
| Aug. 13, 2025 | MIAX | Stock Option (Right to Buy) | 539 | Direct |
| Aug. 13, 2025 | MIAX | Stock Option (Right to Buy) | 2,709 | Direct |
| Aug. 13, 2025 | MIAX | Stock Option (Right to Buy) | 17,966 | Direct |
| Aug. 13, 2025 | MIAX | Stock Option (Right to Buy) | 16,611 | Direct |