Welcome to our dedicated page for Interactive Brokers Group SEC filings (Ticker: IBKR), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Interactive Brokers Group, Inc. filings document the regulatory record for an automated global broker with Class A common stock listed on the Nasdaq Global Select Market under IBKR. The company’s Form 8-K reports furnish quarterly results, operating and financial condition disclosures, dividend and capital-market actions, and exhibits tied to earnings releases or registration statements.
Proxy and annual-meeting filings cover board elections, auditor ratification, advisory executive-compensation votes, equity compensation disclosures and amendments to the 2007 Stock Incentive Plan. Registration-related filings and prospectus supplements describe common-stock issuance under shelf registration statements, while governance disclosures address shareholder voting outcomes, director terms, compensation tables and stock-based incentive plan administration.
Insider: Earl H. Nemser, Vice Chairman & Director of Interactive Brokers Group (IBKR).
Transaction: On 07/28/2025 Nemser executed an open-market sale (Code S) of 100 Class A shares at $65.90 per share through his affiliate EN Holdings LLC.
Post-transaction holdings: 399,900 Class A shares held indirectly via EN Holdings LLC and 427,812 shares held directly (vested & unvested RSUs), totaling roughly 827,712 shares.
The sale represents <0.01 % of both IBKR’s outstanding shares and Nemser’s reported stake, signalling no meaningful change in ownership or control. No derivative security activity was disclosed.
Interactive Brokers Group (IBKR) Vice Chairman and Director Earl H. Nemser reported significant changes in beneficial ownership following two key events:
1. A stock donation of 500 shares of Class A common stock to a nonprofit organization on June 23, 2025, at $0 per share.
2. A four-for-one stock split effective June 17, 2025, which affected Nemser's holdings as follows:
- Direct ownership increased by 321,234 shares to a total of 427,812 shares
- Indirect ownership through EN Holdings LLC increased by 300,000 shares to 400,000 shares
Following these transactions, Nemser's total beneficial ownership stands at 827,812 shares, held through both direct ownership (427,812 shares) and indirect ownership via EN Holdings LLC (400,000 shares). The holdings include vested and unvested restricted stock units awarded under the amended 2007 Stock Incentive Plan.