Interactive Brokers Group Inc SEC Filings

Paul Jonathan Brody, who is listed as Chief Financial Officer and a director of Interactive Brokers Group, Inc. (IBKR), reported multiple open-market sales of Class A common stock on September 29–30, 2025. The Form 4 shows sales of 7,414; 8,792; 2,021; 1,979; and 1,155 shares at weighted-average prices ranging from about $66.64 to $70.26. The filing lists changing beneficial ownership totals after each reported sale and notes that certain Class A shares (listed as 2,885,496) are attributable to vested and unvested restricted stock units under the company plan. The form is signed by an authorized signatory on behalf of Mr. Brody and provides footnotes disclosing price ranges and the indirect ownership via PJB Holdings LLC.

Interactive Brokers Group, Inc. (IBKR) Form 4 summary: Paul J. Brody, listed as Chief Financial Officer and a director, reported a series of sales of Class A common stock on September 25–26, 2025. The filing lists five reported dispositions totaling 31,354 shares sold across multiple transactions at weighted-average prices ranging from $63.02 to $66.30. The report notes these sales were effected in multiple trades and the reporting person will provide a detailed breakdown upon request. The filing also discloses ongoing indirect beneficial ownership through PJB Holdings LLC and a reported aggregate amount of 2,885,496 shares attributed to the reporting person, which includes vested and unvested restricted stock units awarded under the companys 2007 Stock Incentive Plan.

Paul J. Brody, Chief Financial Officer and Director of Interactive Brokers Group, Inc. (IBKR), reported multiple open-market sales of Class A common stock on September 23 and 24, 2025. The Form 4 shows four sale transactions totaling 33,416 shares (6,227; 12,798; 13,464; 927) executed at weighted-average prices with ranges between $64.11 and $66.15. The filings show the number of Class A shares indirectly held by PJB Holdings LLC decreased across the reported transactions from 86,832 to 59,643. The Form is signed on behalf of Mr. Brody by an authorized signatory on September 25, 2025. Footnote disclosure indicates a separate position of 2,885,496 shares related to vested and unvested restricted stock units under the company Plan.

Paul J. Brody, Chief Financial Officer and director of Interactive Brokers Group, Inc. (IBKR), reported multiple sales of Class A common stock in a Form 4. The filings show sales on September 19, 2025 totaling 50,553 and 140 shares at weighted-average prices of $64.61 and $65.19, respectively, and sales on September 22, 2025 totaling 14,639 and 563 shares at weighted-average prices of $63.94 and $64.61. After these transactions, beneficial ownership reported for entities controlled by the reporting person is shown as 108,401, 108,261, 93,622 and 93,059 shares in the corresponding rows, with an additional line noting 2,885,496 shares related to vested and unvested restricted stock units awarded under the 2007 Stock Incentive Plan. The filer checked the box indicating the sales were made pursuant to a Rule 10b5-1 plan.

Interactive Brokers Group, Inc. (IBKR) Form 4: Paul J. Brody, who serves as Chief Financial Officer and a director, reported multiple sales of Class A common stock on September 17-18, 2025. The filing lists five sale transactions totaling 223,382 shares sold at weighted-average prices ranging from about $61.28 to $65.54. The Form discloses that certain Class A shares are held indirectly through PJB Holdings LLC. The filing also reports a total beneficial ownership figure of 2,885,496 shares, which the footnote says includes both vested and unvested restricted stock units awarded under the company’s 2007 Stock Incentive Plan.

Paul J. Brody, Chief Financial Officer and director of Interactive Brokers Group, Inc. (IBKR), reported multiple sales of Class A common stock on September 15–16, 2025. The Form 4 lists disposals of 57,289, 37,506, 1,499, 98,601 and 587 shares at weighted-average prices shown in the filing (ranges provided in footnotes). Each line shows the shares are indirectly owned by PJB Holdings LLC, and the filing lists post-transaction beneficial ownership figures associated with those holdings (for example, 520,529 and 382,336 shares on different lines). The filing was signed by an authorized signatory on behalf of Mr. Brody on September 17, 2025.

Interactive Brokers Group, Inc. (IBKR) insider Paul J. Brody, who serves as Chief Financial Officer and a director, reported multiple sales of Class A common stock on 09/09/2025 and 09/10/2025 under a written plan intended to satisfy Rule 10b5-1. The Form 4 discloses three sell transactions totaling 212,399 shares at weighted-average prices ranging from about $60.68 to $62.92. The filing shows indirect beneficial ownership amounts after those transactions of 977,463, 892,507, and 787,601 shares in the listed rows, and references an aggregate holding related to restricted stock units. The Form 4 was signed by an authorized signatory on behalf of Mr. Brody.

Interactive Brokers Group, Inc. filing a Form 144 reports a proposed sale of 1,000,000 Class A common shares through Interactive Brokers LLC on 09/09/2025 for an aggregate market value of $61,110,000. The shares were acquired on 07/30/2025 in an in‑kind redemption from IBG Holdings LLC and the filing lists 445,246,976 shares outstanding, implying the proposed sale equals approximately 0.23% of outstanding shares. The filer reports no other securities sold in the past three months and includes the standard representation that the seller is not aware of any undisclosed material adverse information about the issuer.

The Vanguard Group reports beneficial ownership of 50,758,486 shares of Interactive Brokers Group Inc, representing 11.40% of the common stock. Vanguard indicates it has no sole voting power and 2,422,392 shares of shared voting power, while retaining 47,231,170 shares of sole dispositive power and 3,527,316 shares of shared dispositive power. The filing states these holdings are held in the ordinary course of business and are not intended to change or influence control of the issuer. The report identifies Vanguard as an investment-adviser type filer and provides its principal business address.