InsiderTrades

Smollen John

SEC CIK 2080703 · EDGAR

Buying vs selling by month open-market trades, last 24 months, MIAX
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.EVP, New Product Development 178.2K $115.0K — 72025-08-132026-06-16

Most active insiders at MIAX, 12 months

#InsiderTitleBoughtSold
1 Gallagher Thomas P.COB, CEO, Dir —$32.30M
2 Schafer Douglas M. JREVP, CIO —$12.35M
3 Comly Barbara J.EVP, GC, Corp. Sec —$9.98M
4 HORIZON KINETICS ASSET MANAGEMENT LLC— $312.4K$4.95M
5 Brown ShellyEVP, Chief Strategy Off —$5.11M
6 Emmons LanceEVP, CFO —$3.47M
7 Deitzel EdwardEVP, CRO, CCO MIAX Exchanges —$2.93M
8 STAHL MURRAYDir, 10% $722.7K$2.19M
9 Jayabalan HarishEVP, CRO, CISO —$2.56M
10 Eckert Kurt M.Dir —$2.22M
18 Smollen JohnEVP, New Product Development ——

Transactions 7

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
D 2026-06-18 16:26 2026-06-16 MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Smollen John EVP, New Product Development A - Grant $0.00 +7,455 178.2K +4% $0
2026-04-01 16:48 2026-03-30 MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Smollen John EVP, New Product Development F - Tax $37.50 -362 170.8K -0.2% -$13.6K
DM 2025-09-15 2025-09-11 MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Smollen John EVP Traded Products, Relation M - OptEx $12.00 +150.0K 166.1K +931% +$1.80M
D 2025-09-15 2025-09-11 MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Smollen John EVP Traded Products, Relation F - Tax $37.39 -52.1K 141.1K -27% -$1.95M
DI 2025-08-19 2025-08-15 MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Smollen John EVP Traded Products, Relation C - Cnv Deriv — +91.7K 91.7K New —
D 2025-08-19 2025-08-15 MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Smollen John EVP Traded Products, Relation C - Cnv Deriv — +73.2K 68.2K New —
2025-08-15 2025-08-13 MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Smollen John EVP Traded Products, Relation P - Purchase $23.00 +5,000 7,226 +225% +$115.0K

Purchase Sale Sale after option exercise All abbreviations