Interactive Brokers Group Inc SEC Filings

Interactive Brokers Group (IBKR) director Lawrence E. Harris reported a sale of Class A shares. On 10/29/2025, he sold 10,645 shares at a weighted average price of $69, with individual trades executed between $68.71 and $69.20. Following the transaction, he beneficially owns 198,704 shares, held directly.

The filing notes that detailed trade-by-trade pricing within the disclosed range is available upon request.

Interactive Brokers Group, Inc. (IBKR) director reported open‑market sales of Class A common stock. On 10/27/2025, the reporting person sold 7,500 shares at a weighted average price of $69.73, with individual trades ranging from $69.63 to $69.82. On 10/28/2025, they sold 6,855 shares at a weighted average price of $69.15, with trades between $69.15 and $69.18.

Following these transactions, the reporting person beneficially owns 209,349 shares, held directly.

Interactive Brokers Group (IBKR) director reported an open-market purchase. On 10/23/2025, the reporting person bought 400 shares of Class A common stock at $65.95 per share. Following the trade, beneficial ownership was 10,304 shares held directly.

The holding total includes shares attributable to vested and unvested restricted stock units awarded under the company’s 2007 Stock Incentive Plan. The company executed a four-for-one stock split on June 17, 2025, which resulted in 7,428 additional shares for the reporting person.

Interactive Brokers Group (IBKR): Director transaction

Director Lawrence E. Harris reported open‑market sales of Class A common stock: 22,000 shares on 10/23/2025 at a weighted average price of $67.63 (transactions ranged $67.50–$67.81) and 8,000 shares on 10/24/2025 at a weighted average price of $68.50 (transactions ranged $68.50–$68.53). Following these trades, he beneficially owned 223,704 shares, held directly. The issuer effected a four‑for‑one stock split on June 17, 2025, which resulted in his ownership of 190,278 additional shares.

Interactive Brokers Group, Inc. (IBKR) furnished an 8-K announcing it issued a press release with financial results for the quarter ended September 30, 2025. The press release is provided as Exhibit 99.1.

The company states the information is furnished under Item 2.02 and is not deemed “filed” for purposes of Section 18 of the Exchange Act, nor incorporated by reference into Securities Act filings unless specifically referenced.

Paul J. Brody, who serves as Chief Financial Officer and a Director of Interactive Brokers Group, Inc. (IBKR), filed an amended Form 4 reporting insider transactions dated 09/19/2025. The amendment adds previously omitted sales of 6,928 shares of Class A common stock sold at a weighted average price of $64.66 (individual sale prices ranged from $64.32 to $65.15). Following the reported transactions, the filing shows 101,473 Class A shares beneficially owned indirectly by PJB Holdings LLC and an additional line reporting 2,885,496 shares tied to restricted stock units (vested and unvested) as described in the footnotes. The amendment states the sales reduce the number of shares indirectly beneficially owned and corrects the original Form 4; it was signed by an authorized signatory on 10/03/2025.

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.