Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 24 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

24 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Oct. 21, 2021 IBKR S 8,591 $75.00 $644,325 17,883 Direct -32.45% Disposed 370.9% (price as of 2026-10-02)
Oct. 20, 2017 IBKR S 1,156 $49.50 $57,222 7,603 Direct -13.20% Disposed 613.5% (price as of 2026-10-02)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Initial ownership (Form 3) 1 holding

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
Feb. 1, 2016 IBKR Class A Common Stock 4,818 Direct