MIAX · ISSUER CIK 1438472
MIAMI INTERNATIONAL HOLDINGS, INC.
Between Aug 1, 2026 and Oct 29, 2026, 10 MIAMI INTERNATIONAL HOLDINGS, INC. insiders reported $0.00 of open-market purchases and $25.3M of sales on SEC Form 4.
↗10 insiders filed
Original Form 4 filings from Aug 1, 2026 to Oct 29, 2026. 19 of 19 sales were reported under a 10b5-1 plan.
$0.00Insider buying
$25.3MInsider selling
−$25.3MNet open-market
Oct 26, 2026Latest filing
| Ticker | Insider | Type | Owned | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 26, 202616:06 | Oct 22, 2026 | MIAX | EVP, GC & Corporate Secretary | S · Sell10b5-1 | $35.04 | −12,306 | 839,564 | -1% | −$431K | ||
| Oct 26, 202616:06 | Oct 22, 2026 | MIAX | EVP, GC & Corporate Secretary | M · Exercise10b5-1 | $12.00 | +12,306 | 851,870 | +1% | $148K | ||
| Oct 26, 202616:05 | Oct 22, 2026 | MIAX | EVP and CIO | S · Sell10b5-1 | $35.06 | −8,000 | 387,414 | -2% | −$280K | ||
| Oct 26, 202616:05 | Oct 22, 2026 | MIAX | EVP and CIO | M · Exercise10b5-1 | $12.00 | +8,000 | 395,414 | +2% | $96K | ||
| Oct 6, 202617:28 | Oct 2, 2026 | MIAX | EVP and CIO | S · Sell10b5-1 | $33.34 | −40,000 | 387,414 | -9% | −$1.3M | ||
| Oct 6, 202617:28 | Oct 2, 2026 | MIAX | EVP and CIO | M · Exercise10b5-1 | $12.00 | +40,000 | 427,414 | +10% | $480K | ||
| Sep 29, 202616:46 | Sep 25, 2026 | MIAX | EVP, CISO and CRO | M · Exercise | $12.00 | +8,333 | 86,398 | +11% | $100K | ||
| Sep 17, 202616:43 | Sep 16, 2026 | MIAX | EVP, Chief Strategy Officer | S · Sell10b5-1 | $38.61 | −21,217 | 316,490 | -6% | −$819K | ||
| Sep 11, 202616:23 | Sep 11, 2026 | MIAX | EVP, Chief Strategy Officer | F · Tax | $42.54 | −16,283 | 337,707 | -5% | $693K | ||
| Sep 4, 202616:35 | Sep 3, 2026 | MIAX | Chairman & CEO, Director | S · Sell10b5-1 | $42.43 | −47,000 | 1,423,275 | -3% | −$2.0M | ||
| Sep 4, 202616:35 | Sep 3, 2026 | MIAX | Chairman & CEO, Director | M · Exercise10b5-1 | $12.99 | +89,603 | 786,542 | +13% | $1.2M | ||
| Sep 4, 202616:31 | Sep 2, 2026 | MIAX | EVP, GC & Corporate Secretary | S · Sell10b5-1 | $40.49 | −44,445 | 839,564 | -5% | −$1.8M | ||
| Sep 4, 202616:31 | Sep 2, 2026 | MIAX | EVP, GC & Corporate Secretary | M · Exercise10b5-1 | $12.00 | +44,445 | 884,009 | +5% | $533K | ||
| Sep 4, 202616:28 | Sep 3, 2026 | MIAX | EVP, CRO, CCO MIAX Exchanges | S · Sell10b5-1 | $42.21 | −11,000 | 119,601 | -8% | −$464K | ||
| Sep 4, 202616:28 | Sep 3, 2026 | MIAX | EVP, CRO, CCO MIAX Exchanges | M · Exercise10b5-1 | $12.00 | +11,000 | 130,601 | +9% | $132K | ||
| Sep 4, 202616:25 | Sep 2, 2026 | MIAX | EVP and CIO | S · Sell10b5-1 | $40.48 | −48,000 | 387,414 | -11% | −$1.9M | ||
| Sep 4, 202616:25 | Sep 2, 2026 | MIAX | EVP and CIO | M · Exercise10b5-1 | $12.00 | +48,000 | 435,414 | +12% | $576K | ||
| Sep 4, 202616:21 | Sep 2, 2026 | MIAX | Director | S · Sell10b5-1 | $41.34 | −8,545 | 69,251 | -11% | −$353K | ||
| Aug 20, 202616:12 | Aug 19, 2026 | MIAX | Chairman & CEO, Director | S · Sell10b5-1 | $41.13 | −149,700 | 1,423,275 | -10% | −$6.2M | ||
| Aug 20, 202616:12 | Aug 18, 2026 | MIAX | Chairman & CEO, Director | F · Tax10b5-1 | $42.41 | −150,300 | 1,572,975 | -9% | $6.4M | ||
| Aug 20, 202616:11 | Aug 18, 2026 | MIAX | EVP, GC & Corporate Secretary | F · Tax | $42.41 | −43,420 | 839,564 | -5% | $1.8M | ||
| Aug 19, 202616:12 | Aug 17, 2026 | MIAX | Director | S · Sell10b5-1 | $42.85 | −5,000 | 88,545 | -5% | −$214K | ||
| Aug 19, 202616:12 | Aug 17, 2026 | MIAX | Director | M · Exercise10b5-1 | $12.00 | +5,000 | 93,545 | +6% | $60K | ||
| Aug 19, 202616:10 | Aug 17, 2026 | MIAX | EVP and CFO | S · Sell10b5-1 | $42.83 | −35,000 | 86,538 | -29% | −$1.5M | ||
| Aug 6, 202616:11 | Aug 4, 2026 | MIAX | Director | S · Sell10b5-1 | $45.80 | −1,063 | 149,612 | -1% | −$49K | ||
| Aug 6, 202616:11 | Aug 4, 2026 | MIAX | Director | M · Exercise10b5-1 | $12.00 | +1,063 | 150,675 | +1% | $13K | ||
| Aug 6, 202616:10 | Aug 4, 2026 | MIAX | Director | S · Sell10b5-1 | $45.79 | −3,000 | 72,251 | -4% | −$137K | ||
| Aug 6, 202616:10 | Aug 4, 2026 | MIAX | EVP, CISO and CRO | S · Sell10b5-1 | $45.90 | −20,000 | 78,065 | -20% | −$918K | ||
| Aug 6, 202616:10 | Aug 4, 2026 | MIAX | EVP, CISO and CRO | M · Exercise10b5-1 | $12.94 | +20,000 | 98,065 | +26% | $259K | ||
| Aug 6, 202616:09 | Aug 4, 2026 | MIAX | EVP, GC & Corporate Secretary | S · Sell10b5-1 | $45.69 | −44,445 | 882,984 | -5% | −$2.0M | ||
| Aug 6, 202616:09 | Aug 4, 2026 | MIAX | EVP, GC & Corporate Secretary | M · Exercise10b5-1 | $12.00 | +44,445 | 927,429 | +5% | $533K | ||
| Aug 6, 202616:08 | Aug 4, 2026 | MIAX | EVP, CRO, CCO MIAX Exchanges | S · Sell10b5-1 | $45.78 | −11,000 | 119,601 | -8% | −$504K | ||
| Aug 6, 202616:08 | Aug 4, 2026 | MIAX | EVP, CRO, CCO MIAX Exchanges | M · Exercise10b5-1 | $12.00 | +11,000 | 130,601 | +9% | $132K | ||
| Aug 6, 202616:06 | Aug 4, 2026 | MIAX | EVP and CIO | S · Sell10b5-1 | $45.71 | −48,000 | 387,414 | -11% | −$2.2M | ||
| Aug 6, 202616:06 | Aug 4, 2026 | MIAX | EVP and CIO | M · Exercise10b5-1 | $12.00 | +48,000 | 435,414 | +12% | $576K | ||
| Aug 6, 202616:05 | Aug 4, 2026 | MIAX | Chairman & CEO, Director | S · Sell10b5-1 | $45.69 | −48,334 | 1,723,275 | -3% | −$2.2M | ||
| Aug 6, 202616:05 | Aug 4, 2026 | MIAX | Chairman & CEO, Director | M · Exercise10b5-1 | $12.00 | +48,334 | 1,771,609 | +3% | $580K |