Denis Mendonca, Chief Accounting Officer at Interactive Brokers Group, Inc. (IBKR), sold 8,591 shares at $75.00 ($644K) on 2021-10-21, disclosed to the SEC on 2021-10-22.
Open-market sale of $644k IBKR by Chief Accounting Officer. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.