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.
IBKR鈥檚 disclosures run deep鈥攕panning everything from execution quality statistics to how interest on $100 billion of idle client cash is earned. Finding those nuggets in a 300-page report is tough, especially when you also need to track global capital requirements and technology R&D. That鈥檚 why investors searching for 鈥淚nteractive Brokers SEC filings explained simply鈥� land here.
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Looking for specifics? Use our quick links to dive into:
- Interactive Brokers proxy statement executive compensation to dissect incentive pay tied to order-routing metrics.
- Interactive Brokers insider trading Form 4 transactions to spot buying patterns by Thomas Peterffy and other leaders.
- Interactive Brokers earnings report filing analysis for quarter-over-quarter net interest margin moves.
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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鈥檚 outstanding shares and Nemser鈥檚 reported stake, signalling no meaningful change in ownership or control. No derivative security activity was disclosed.
Shimmick Corporation (SHIM) 鈥� Form 144 filing: Insider Mitchell B. Goldsteen notifies the SEC of an intent to sell 4,000 common shares through TD Securities on 30 Jul 2025. At the reference price used in the notice, the proposed sale is valued at $7,340, representing well under 0.01 % of the 34.36 million shares outstanding. Shares are listed on NASDAQ.
The filing also discloses an extensive history of open-market disposals by the same seller during the prior three months. The table lists dozens of transactions between 30 Apr and 29 Jul 2025, each ranging from a few hundred to nearly 30,000 shares, with gross proceeds typically in the $1,000-59,000 range per day. While the new 4,000-share plan is modest, the cumulative pattern may indicate ongoing liquidation and could exert incremental supply pressure.
No financial performance data or corporate developments are included; the filing is limited to disclosure of planned and recent insider sales. Investors often interpret persistent insider selling as a mildly negative sentiment signal, although the absolute volume remains small relative to total float.
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.
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