Denis Mendonca, Chief Accounting Officer at Interactive Brokers Group, Inc. (IBKR), sold 1,156 shares at $49.50 ($57K) on 2017-10-20, disclosed to the SEC on 2017-10-23.
Open-market sale of $57k 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.