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.
The Interactive Brokers Group, Inc. (NASDAQ: IBKR) SEC filings page on Stock Titan provides access to the company’s regulatory disclosures as a Nasdaq Global Select Market issuer and S&P 500 member. Interactive Brokers is an automated global electronic broker whose affiliates provide trade execution and custody of securities, commodities, foreign exchange, and forecast contracts across more than 160 markets worldwide.
Key filing types for IBKR include annual reports on Form 10-K and quarterly reports on Form 10-Q, which describe the firm’s electronic brokerage operations, risk management, and financial condition. Current reports on Form 8-K disclose material events, such as the release of quarterly financial results or capital markets transactions. For example, the company has used Form 8-K to furnish earnings press releases and to report the filing of a prospectus supplement under a shelf registration statement to offer shares of common stock.
Investors can also review registration statements and related exhibits that detail securities offerings, as well as other filings that reflect Interactive Brokers’ status as a Delaware corporation with common stock listed under the symbol IBKR. These documents help explain how the company structures its capital, manages regulatory obligations, and communicates significant developments to the market.
On Stock Titan, AI-powered tools summarize lengthy filings, highlight important sections, and clarify complex language. Real-time updates from the SEC’s EDGAR system ensure that new IBKR filings, including 10-Ks, 10-Qs, 8-Ks, and other relevant forms, appear promptly. Users can also examine insider-related disclosures such as Form 4 filings to understand equity transactions by officers, directors, or significant shareholders. This combination of primary documents and AI-generated insights can help investors and researchers interpret Interactive Brokers’ regulatory reporting more efficiently.
Interactive Brokers Group (IBKR) Form 4 highlights: Vice-Chairman & Director Earl H. Nemser, through affiliate EN Holdings LLC, sold 39,786 Class A shares on 30-Jul-2025 in two open-market transactions:
- 32,386 shares at a weighted average price of $66.32
- 7,400 shares at a weighted average price of $66.64
Following the sales, Nemser indirectly owns 360,114 shares via EN Holdings LLC and directly holds 427,812 shares (including vested and unvested RSUs), leaving him with an estimated total stake of 787,926 shares. The filing does not state that the trades were made under a Rule 10b5-1 trading plan.
The transactions reduce Nemser’s indirect position by roughly 10% but leave his overall economic interest substantial, suggesting liquidity rather than exit. No derivative activity was reported.
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.