Thomas Peterffy Interactive Brokers Group, Inc. (IBKR) insider trading activity

Thomas Peterffy is Chairman of Interactive Brokers Group, Inc.. Currently has a direct ownership of 1.61 Million shares of IBKR, which is worth approximately $309 Million. The most recent transaction as insider was on Oct 18, 2021, when has been sold 20,000 shares (Class A Common Stock) at a price of $71.74 per share, resulting in proceeds of $1,434,800. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 1.61M

4.72% 3M change

1.08% 12M change

Total Value Held $309 Million

Thomas Peterffy Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Oct 18 2021	SELL Open market or private sale	$1,434,800 $71.74 p/Share	20,000 Reduced 0.36%	5,507,511 Class A Common Stock
Oct 15 2021	SELL Open market or private sale	$1,436,600 $71.83 p/Share	20,000 Reduced 0.36%	5,527,511 Class A Common Stock
Oct 14 2021	SELL Open market or private sale	$1,415,000 $70.75 p/Share	20,000 Reduced 0.36%	5,547,511 Class A Common Stock
Oct 13 2021	SELL Open market or private sale	$1,432,400 $71.62 p/Share	20,000 Reduced 0.36%	5,567,511 Class A Common Stock
Oct 12 2021	SELL Open market or private sale	$1,447,000 $72.35 p/Share	20,000 Reduced 0.36%	5,587,511 Class A Common Stock
Oct 11 2021	SELL Open market or private sale	$1,439,800 $71.99 p/Share	20,000 Reduced 0.36%	5,607,511 Class A Common Stock
Oct 08 2021	SELL Open market or private sale	$1,426,400 $71.32 p/Share	20,000 Reduced 0.35%	5,627,511 Class A Common Stock
Oct 07 2021	SELL Open market or private sale	$1,416,400 $70.82 p/Share	20,000 Reduced 0.35%	5,647,511 Class A Common Stock
Oct 06 2021	SELL Open market or private sale	$1,363,000 $68.15 p/Share	20,000 Reduced 0.35%	5,667,511 Class A Common Stock
Oct 05 2021	SELL Open market or private sale	$1,317,400 $65.87 p/Share	20,000 Reduced 0.35%	5,687,511 Class A Common Stock
Oct 04 2021	SELL Open market or private sale	$1,291,200 $64.56 p/Share	20,000 Reduced 0.35%	5,707,511 Class A Common Stock
Oct 01 2021	SELL Open market or private sale	$1,278,600 $63.93 p/Share	20,000 Reduced 0.35%	5,727,511 Class A Common Stock
Sep 30 2021	SELL Open market or private sale	$1,281,800 $64.09 p/Share	20,000 Reduced 0.35%	5,747,511 Class A Common Stock
Sep 29 2021	SELL Open market or private sale	$1,298,400 $64.92 p/Share	20,000 Reduced 0.35%	5,767,511 Class A Common Stock
Sep 28 2021	SELL Open market or private sale	$1,310,200 $65.51 p/Share	20,000 Reduced 0.34%	5,787,511 Class A Common Stock
Sep 27 2021	SELL Open market or private sale	$1,288,400 $64.42 p/Share	20,000 Reduced 0.34%	5,807,511 Class A Common Stock
Sep 24 2021	SELL Open market or private sale	$1,250,400 $62.52 p/Share	20,000 Reduced 0.34%	5,827,511 Class A Common Stock
Sep 23 2021	SELL Open market or private sale	$1,229,400 $61.47 p/Share	20,000 Reduced 0.34%	5,847,511 Class A Common Stock
Sep 22 2021	SELL Open market or private sale	$1,203,200 $60.16 p/Share	20,000 Reduced 0.34%	5,867,511 Class A Common Stock
Sep 21 2021	SELL Open market or private sale	$1,200,000 $60.0 p/Share	20,000 Reduced 0.34%	5,887,511 Class A Common Stock
Sep 20 2021	SELL Open market or private sale	$1,193,400 $59.67 p/Share	20,000 Reduced 0.34%	5,907,511 Class A Common Stock
Sep 17 2021	SELL Open market or private sale	$1,368,852 $61.66 p/Share	22,200 Reduced 0.37%	5,927,511 Class A Common Stock
Sep 16 2021	SELL Open market or private sale	$1,093,276 $61.42 p/Share	17,800 Reduced 0.3%	5,949,711 Class A Common Stock
Sep 15 2021	SELL Open market or private sale	$1,238,200 $61.91 p/Share	20,000 Reduced 0.33%	5,967,511 Class A Common Stock
Sep 14 2021	SELL Open market or private sale	$1,234,200 $61.71 p/Share	20,000 Reduced 0.33%	5,987,511 Class A Common Stock

Thomas Peterffy

Chairman

West Palm Beach, FL

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