Denis Mendonca Interactive Brokers Group, Inc. (IBKR) insider trading activity

Denis Mendonca is Chief Accounting Officer of Interactive Brokers Group, Inc.. Currently has a direct ownership of 156,228 shares of IBKR, which is worth approximately $10.3 Million. The most recent transaction as insider was on Dec 31, 2025, when has been sold 11,156 shares (Class A Common Stock) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 156K

330.76% 3M change

303.33% 12M change

Total Value Held $10.3 Million

Denis Mendonca Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Dec 31 2025	BUY Grant, award, or other acquisition	-	11,156 Added 6.66%	156,228 Class A Common Stock
May 09 2025	SELL Payment of exercise price or tax liability	$457,875 $185.6 p/Share	2,467 Reduced 6.37%	36,268 Class A Common Stock
Dec 31 2024	BUY Grant, award, or other acquisition	-	3,748 Added 8.82%	38,735 Class A Common Stock
May 09 2024	SELL Payment of exercise price or tax liability	$233,971 $119.13 p/Share	1,964 Reduced 5.32%	34,987 Class A Common Stock
Dec 31 2023	BUY Grant, award, or other acquisition	-	7,821 Added 17.47%	36,951 Class A Common Stock
May 09 2023	SELL Payment of exercise price or tax liability	$238,025 $77.99 p/Share	3,052 Reduced 9.72%	28,349 Class A Common Stock
Dec 31 2022	BUY Grant, award, or other acquisition	-	8,089 Added 20.48%	31,401 Class A Common Stock

May 09 2022	SELL Payment of exercise price or tax liability	$99,662 $52.62 p/Share	1,894 Reduced 7.51%	23,312 Class A Common Stock
Apr 25 2022	BUY Grant, award, or other acquisition	-	191 Added 0.75%	25,206 Class A Common Stock
Dec 31 2021	BUY Grant, award, or other acquisition	-	7,132 Added 22.19%	25,015 Class A Common Stock
Oct 21 2021	SELL Open market or private sale	$644,325 $75.0 p/Share	8,591 Reduced 32.45%	17,883 Class A Common Stock
May 07 2021	SELL Payment of exercise price or tax liability	$99,110 $69.6 p/Share	1,424 Reduced 5.1%	26,474 Class A Common Stock
Dec 31 2020	BUY Grant, award, or other acquisition	-	6,189 Added 18.16%	27,898 Class A Common Stock

Denis Mendonca

Chief Accounting Officer

Greenwich, CT

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