InsiderTrades

Schwarzkopf Cynthia

SEC CIK 2080596 · EDGAR

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

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.Dir 93.5K — $1.24M 82025-08-152026-08-17

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
11 Schwarzkopf CynthiaDir —$1.24M

Transactions 8

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
DT 2026-08-19 16:12 2026-08-17 MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Schwarzkopf Cynthia Dir M - OptEx $12.00 +5,000 93.5K +6% +$60.0K
DT 2026-08-19 16:12 2026-08-17 MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Schwarzkopf Cynthia Dir S - Sale+OE $42.85 -5,000 88.5K -5% -$214.2K
DT 2026-07-16 16:15 2026-07-15 MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Schwarzkopf Cynthia Dir M - OptEx $12.00 +5,000 93.5K +6% +$60.0K
DT 2026-07-16 16:15 2026-07-15 MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Schwarzkopf Cynthia Dir S - Sale+OE $42.00 -5,000 88.5K -5% -$210.0K
DM 2026-06-17 16:39 2026-06-15+ MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Schwarzkopf Cynthia Dir A - Grant $0.00 +7,237 88.5K +9% $0
DT 2026-06-12 16:15 2026-06-11 MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Schwarzkopf Cynthia Dir M - OptEx $12.00 +19.5K 100.8K +24% +$234.0K
DT 2026-06-12 16:15 2026-06-11 MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Schwarzkopf Cynthia Dir S - Sale+OE $41.73 -19.5K 81.3K -19% -$813.7K
DM 2025-08-19 2025-08-15 MIAX MIAMI INTERNATIONAL HOLDINGS, INC. Schwarzkopf Cynthia Dir C - Cnv Deriv — +81.3K 81.3K New —

Purchase Sale Sale after option exercise All abbreviations