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Insider · CIK 0002080538

Harish Jayabalan

officer

Files at MIAX (MIAMI INTERNATIONAL HOLDINGS, INC.). First filing Aug 15, 2025, latest Aug 15, 2025.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
1 / 0
$58k bought, $0 sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

MIAX: MIAMI INTERNATIONAL HOLDINGS, INC.

MIAXOct 9, 2026 · close 30.71

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
47Moderate
MIAXbuy 10
MIAMI INTERNATIONAL HOLDINGS, INC.
$58k
2,500 shares
+63%-

Transactions

Every row this insider has filed, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Sep 25, 2026MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Common Stock
+8,333$12.00$100k86,39813 d ago
Sep 25, 2026MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Incentive Stock Option (Right to Buy)derivative
-8,333$0.00$08,33313 d ago
Sep 9, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Common Stock
+21,999$12.00$264k72,384Sep 11, 2025
Sep 9, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Common Stock
+3,001$12.00$36k75,385Sep 11, 2025
Sep 9, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
FTax withholding
Common Stock
-1,980$37.30$74k73,405Sep 11, 2025
Sep 9, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Incentive Stock Option (Right to Buy)derivative
-21,999$0.00$00Sep 11, 2025
Sep 9, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Nonqualified Stock Option (Right to Buy)derivative
-3,001$0.00$00Sep 11, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
CConversion
Common Stock
+500--50,385Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
CConversion
Common Stock
+43,442--50,385Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
CConversion
Series B Preferred Stockderivative
-500$0.00$00Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
CConversion
Nonvoting Common Stockderivative
-43,442$0.00$00Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Incentive Stock Option (Right to Buy)derivative
-21,999$0.00$00Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Incentive Stock Option (Right to Buy)derivative
+21,999$0.00$021,999Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Incentive Stock Option (Right to Buy)derivative
-16,666$0.00$00Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Incentive Stock Option (Right to Buy)derivative
+16,666$0.00$016,666Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Incentive Stock Option (Right to Buy)derivative
-8,333$0.00$00Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Incentive Stock Option (Right to Buy)derivative
+8,333$0.00$08,333Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Incentive Stock Option (Right to Buy)derivative
-8,333$0.00$00Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Incentive Stock Option (Right to Buy)derivative
+8,333$0.00$08,333Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Incentive Stock Option (Right to Buy)derivative
-6,570$0.00$00Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Incentive Stock Option (Right to Buy)derivative
+6,570$0.00$06,570Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Incentive Stock Option (Right to Buy)derivative
-6,195$0.00$00Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Incentive Stock Option (Right to Buy)derivative
+6,195$0.00$06,195Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Incentive Stock Option (Right to Buy)derivative
-3,878$0.00$00Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Incentive Stock Option (Right to Buy)derivative
+3,878$0.00$03,878Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Nonqualified Stock Option (Right to Buy)derivative
-3,001$0.00$00Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Nonqualified Stock Option (Right to Buy)derivative
+3,001$0.00$03,001Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Nonqualified Stock Option (Right to Buy)derivative
-20,834$0.00$00Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Nonqualified Stock Option (Right to Buy)derivative
+20,834$0.00$020,834Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Nonqualified Stock Option (Right to Buy)derivative
-16,667$0.00$00Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Nonqualified Stock Option (Right to Buy)derivative
+16,667$0.00$016,667Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Nonqualified Stock Option (Right to Buy)derivative
-16,667$0.00$00Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Nonqualified Stock Option (Right to Buy)derivative
+16,667$0.00$016,667Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Nonqualified Stock Option (Right to Buy)derivative
-23,430$0.00$00Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Nonqualified Stock Option (Right to Buy)derivative
+23,430$0.00$023,430Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Nonqualified Stock Option (Right to Buy)derivative
-26,304$0.00$00Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Nonqualified Stock Option (Right to Buy)derivative
+26,304$0.00$026,304Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Nonqualified Stock Option (Right to Buy)derivative
-8,621$0.00$00Aug 19, 2025
Aug 15, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
MOption exercise
Nonqualified Stock Option (Right to Buy)derivative
+8,621$0.00$08,621Aug 19, 2025
Aug 13, 2025MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
POpen-market purchase
Common Stock
+2,500$23.00$58k6,443Aug 15, 2025

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Harish Jayabalan: insider trades and track record | InsiderTell