InsiderTrades

Teekell Judson Gray

SEC CIK 1959770 · EDGAR

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

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.Dir 81.0K — $1.00M 132025-08-152026-09-02

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
12 Teekell Judson GrayDir —$1.00M

Transactions 13

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
TI 2026-09-04 16:21 2026-09-02 MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Teekell Judson Gray Dir S - Sale $41.58 -5,545 81.0K -6% -$230.6K
T 2026-09-04 16:21 2026-09-02 MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Teekell Judson Gray Dir S - Sale $40.89 -3,000 69.3K -4% -$122.7K
T 2026-08-06 16:10 2026-08-04 MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Teekell Judson Gray Dir S - Sale $45.79 -3,000 72.3K -4% -$137.4K
T 2026-07-07 16:09 2026-07-02 MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Teekell Judson Gray Dir S - Sale $40.00 -3,000 75.3K -4% -$120.0K
M 2026-06-17 16:22 2026-06-15+ MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Teekell Judson Gray Dir A - Grant $0.00 +7,237 78.3K +10% $0
T 2026-06-04 16:55 2026-06-02 MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Teekell Judson Gray Dir S - Sale $42.78 -3,000 71.0K -4% -$128.3K
D 2026-05-19 16:34 2026-05-19 MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Teekell Judson Gray Dir M - OptEx $12.00 +22.7K 79.0K +40% +$272.0K
D 2026-05-19 16:34 2026-05-19 MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Teekell Judson Gray Dir F - Tax $54.51 -4,991 74.0K -6% -$272.1K
T 2026-05-05 07:41 2026-05-04 MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Teekell Judson Gray Dir S - Sale $47.30 -3,000 56.3K -5% -$141.9K
T 2026-04-03 08:48 2026-04-02 MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Teekell Judson Gray Dir S - Sale $40.00 -2,700 59.3K -4% -$108.0K
2026-03-26 2026-03-25 MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Teekell Judson Gray Dir S - Sale $40.00 -300 62.0K -0.5% -$12.0K
DM 2025-08-19 2025-08-15 MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Teekell Judson Gray Dir C - Cnv Deriv — +61.2K 62.3K +5,588% —
DMI 2025-08-19 2025-08-15 MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Teekell Judson Gray Dir C - Cnv Deriv — +68.1K 86.5K +370% —

Purchase Sale Sale after option exercise All abbreviations