Brody Paul JonathanDirector, CFO

Sell $1.7M of disclosed value in Interactive Brokers Group, Inc. - Class A Common Stock $IBKR.

Sell

Adamo ClaudineEVP

Sell $1.4M of disclosed value in Costco Wholesale Corporation - Common Stock $COST.

Sell

Brody Paul JonathanDirector, CFO

Sell $2.1M of disclosed value in Interactive Brokers Group, Inc. - Class A Common Stock $IBKR.

Sell

Gusek RonPresident

Sell $1.6M of disclosed value in Liberty Energy Inc. $LBRT.

Sell