Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 2 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

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Dec. 31, 2021 IBKR A 315 $79.42 $25,017 2,188 Direct +16.82% Acquired 348.5% (price as of 2026-10-05)
Dec. 31, 2018 IBKR A 1,373 · · 1,873 Direct +274.60% Acquired (price as of 2026-10-05)

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
Dec. 19, 2018 IBKR Class A common stock 500 Direct