Insider · CIK 0002080506

Shelly Brown

Files at: MIAX. On EDGAR ↗

Period1M 3M 6M 1Y 2Y All datashares as filed — not split-adjusted

Open-market buys & salesbuys $0 · 0sales $2.4M · 4net −$2.4M

Reported trades — common stock

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Sep 16, 2026 SForm 4 →	Sep 17, 4:43 pm EDT	MIAMI INTERNATIONAL HOLDINGS, INC.MIAX	21,217	$38.61	$819,188	316,490	−6.28%	10b5-1
Sep 11, 2026 FForm 4 →	Sep 11, 4:23 pm EDT	MIAMI INTERNATIONAL HOLDINGS, INC.MIAX	16,283	$42.54	$692,679	337,707	—
Jul 6, 2026 SForm 4 →	Jul 7, 4:10 pm EDT	MIAMI INTERNATIONAL HOLDINGS, INC.MIAX	16,000	$42.13	$674,080	353,990	−4.32%	10b5-1
Jul 6, 2026 MForm 4 →	Jul 7, 4:10 pm EDT	MIAMI INTERNATIONAL HOLDINGS, INC.MIAX	16,000	$12.00	$192,000	369,990	—	10b5-1
Jun 16, 2026 AForm 4 →	Jun 18, 4:17 pm EDT	MIAMI INTERNATIONAL HOLDINGS, INC.MIAX	37,276	—	—	353,990	—
Jun 15, 2026 SForm 4 →	Jun 17, 4:08 pm EDT	MIAMI INTERNATIONAL HOLDINGS, INC.MIAX	4,714	$44.23	$208,500	316,714	−1.47%	10b5-1
Jun 11, 2026 FForm 4 →	Jun 12, 4:19 pm EDT	MIAMI INTERNATIONAL HOLDINGS, INC.MIAX	3,619	$40.79	$147,619	321,428	—
Jun 2, 2026 SForm 4 →	Jun 4, 4:37 pm EDT	MIAMI INTERNATIONAL HOLDINGS, INC.MIAX	16,000	$42.12	$673,920	325,047	−4.69%	10b5-1
Jun 2, 2026 MForm 4 →	Jun 4, 4:37 pm EDT	MIAMI INTERNATIONAL HOLDINGS, INC.MIAX	16,000	$12.00	$192,000	341,047	—	10b5-1

Reported trades — derivatives (options, RSUs, warrants)

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Jul 6, 2026 MForm 4 →	Jul 7, 4:10 pm EDT	MIAMI INTERNATIONAL HOLDINGS, INC.MIAX	16,000	—	—	0	—	10b5-1
Jun 16, 2026 AForm 4 →	Jun 18, 4:17 pm EDT	MIAMI INTERNATIONAL HOLDINGS, INC.MIAX	38,346	—	—	35,861	—
Jun 2, 2026 MForm 4 →	Jun 4, 4:37 pm EDT	MIAMI INTERNATIONAL HOLDINGS, INC.MIAX	16,000	—	—	16,000	—	10b5-1