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  • Insider Ownership

Insider Trading & Ownership of William Peterffy

Location
Greenwich, CT
Summary
The estimated net worth of William Peterffy is at least $626,186 dollars as of 07 Jan 2026. William Peterffy is the Director of Interactive Brokers Group, Inc. and owns shares of Interactive Brokers Group, Inc. (IBKR) stock worth about $626.2K.
Signature
/s/ William Peterffy
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Ownership of William Peterffy

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
IBKR Interactive Brokers Group, Inc. Director $626,186 31 Dec 2025

Insider Transactions Reported by William Peterffy:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.