Every Form 4 that Interactive Brokers Group, Inc. (IBKR) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow IBKR and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full IBKR filings page.
Interactive Brokers Group, Inc. (IBKR) director Lori A. Conkling reported purchasing 25 shares of Class A common stock on September 1, 2026 in an open-market or private transaction at $94.53 per share.
After this trade, she reports 2,559 shares held directly, which include the newly acquired shares, Class A common stock attributable to vested restricted stock units, and unvested restricted stock units awarded under the company’s 2007 Stock Incentive Plan. The transaction is affirmed as made under a Rule 10b5-1 trading plan.
Interactive Brokers Group, Inc. director and Vice Chairman Earl H. Nemser reported the indirect acquisition of 803,568 Class A shares on July 31, 2026, held through EN Holdings LLC, in connection with a partial redemption of that LLC’s interest in IBG Holdings LLC at a reference closing price of $87.99 per share. Nemser also reports 429,344 Class A shares held directly, including vested and unvested restricted stock units granted under the company’s amended 2007 Stock Incentive Plan.
Interactive Brokers Group, Inc. director Lori A. Conkling purchased 25 shares of Class A common stock on August 3, 2026 at $87.03 per share in a transaction reported as a purchase in the open market or a private transaction under a Rule 10b5-1 trading plan. Following this trade, her reported equity position is 2,534 shares, including securities acquired, Class A common stock attributable to vested restricted stock units, and unvested restricted stock units awarded under the 2007 Stock Incentive Plan.
Interactive Brokers Group, Inc. director Lori A. Conkling purchased 25 shares of Class A common stock in an open-market transaction at $88.03 per share. Following this purchase, she directly owns 2,509 shares. This total includes shares from past awards of vested and unvested restricted stock units under the company’s 2007 Stock Incentive Plan.
Interactive Brokers Group, Inc. director Lori A. Conkling reported an open-market purchase of 25 shares of Class A common stock at $86.10 per share. After this transaction, she directly owns 2,484 shares. A footnote explains that this amount also reflects vested and unvested restricted stock units granted under the company’s 2007 Stock Incentive Plan.
Interactive Brokers Group, Inc. Chief Financial Officer Paul Jonathan Brody reported a tax-related share disposition involving 82,920 shares of Class A common stock. The shares were withheld on May 8, 2026 to cover tax obligations tied to vesting restricted stock units, using a reference price of $84.42 per share, the closing price on the vesting date.
These shares were not sold in an open-market transaction but delivered to satisfy tax liability associated with equity compensation under the company’s amended 2007 Stock Incentive Plan. Following this disposition, Brody directly holds 2,856,806 shares of Class A common stock, including both vested and unvested restricted stock units awarded under the plan.
Interactive Brokers Group, Inc. Chief Accounting Officer Denis Mendonca reported a tax-withholding disposition of 11,157 shares of Class A common stock on May 8, 2026. The shares were delivered to satisfy tax obligations at a reference price of $84.42 per share tied to a vesting date.
After this transaction, Mendonca directly holds 145,071 shares of Class A common stock, which the disclosure notes includes both shares attributable to vested restricted stock units and unvested restricted stock units granted under the amended 2007 Stock Incentive Plan.
Interactive Brokers Group, Inc. Chief Executive Officer Milan Galik reported a tax-related share disposition tied to equity compensation. On May 8, 2026, 255,039 shares of Class A common stock were withheld to satisfy tax obligations, using the stock’s $84.42 closing price as the reference value.
Following this tax-withholding disposition, Galik’s directly held position increased to a reported 3,215,389 shares, which the disclosure notes includes shares attributable to vested restricted stock units and unvested restricted stock units awarded under the amended 2007 Stock Incentive Plan. The transaction reflects share withholding for taxes rather than an open-market sale.
Interactive Brokers Group, Inc. Executive Vice President Frank Thomas AJ reported a tax-related share disposition tied to equity compensation. On May 8, 2026, 31,730 shares of Class A common stock were delivered at a reference price of $84.42 per share to cover tax obligations upon vesting of restricted stock units. This was a tax-withholding disposition, not an open-market sale. After this event, he directly held 251,518 shares of Class A common stock, a figure that includes both vested and unvested restricted stock units awarded under the amended 2007 Stock Incentive Plan.
Interactive Brokers Group, Inc. director and Vice Chairman Earl H. Nemser reported a tax-withholding share disposition tied to equity compensation. On May 8, 2026, 22,486 shares of Class A common stock were delivered at a reference price of $84.42 per share to cover tax obligations on vested awards.
After this non-market tax-withholding disposition, Nemser directly held 429,344 shares of Class A common stock. The reported holdings include shares attributable to vested and unvested restricted stock units granted under the company’s amended 2007 Stock Incentive Plan.
Interactive Brokers Group, Inc. director Lori A. Conkling made an open-market purchase of 25 shares of Class A common stock at $79.64 per share. Following this transaction, she holds a total of 2,459 shares, including vested and unvested restricted stock units awarded under the company’s 2007 Stock Incentive Plan.
Interactive Brokers Group, Inc. director Harris Lawrence E executed an open-market sale of 26,000 shares of Class A common stock at a weighted average price of $76.93 per share. After this transaction, he directly holds 173,482 shares. The sale was completed through multiple trades priced between $76.87 and $77.04.
Interactive Brokers Group, Inc. director Lori A. Conkling bought 25 shares of Class A common stock in an open-market purchase. She paid $68.38 per share on this transaction. After the purchase, she directly owns 2,434 shares, a total that includes vested and unvested restricted stock units awarded under the company’s 2007 Stock Incentive Plan.
Interactive Brokers Group director Lori A. Conkling reported two open-market purchases of Class A common stock. She bought 50 shares at $73.21 per share on February 25, 2026 and 25 shares at $69.21 per share on March 2, 2026, totaling 75 shares.
After these transactions, she directly owned 2,409 shares. A footnote explains this amount includes shares she acquired plus both vested and unvested restricted stock units granted under the company’s 2007 Stock Incentive Plan.
Interactive Brokers Group, Inc. director and Vice Chairman Earl H. Nemser reported indirect sales of Class A common stock through EN Holdings LLC on January 26–27, 2026, totaling 155,000 shares across multiple transactions.
On January 26, EN Holdings LLC sold 60,882 shares at a weighted average price of $75.83, 30,817 shares at $76.72, and 3,101 shares at $77.98. On January 27, it sold 39,731 shares at $75.07 and 20,469 shares at $75.75. The prices are weighted averages for trades executed within disclosed intraday ranges.
Following these indirect sales, EN Holdings LLC no longer held the reported Class A shares, while Nemser also had 451,830 Class A shares reported as directly beneficially owned, a figure that includes vested and unvested restricted stock units granted under the company’s amended 2007 Stock Incentive Plan.
Earl H. Nemser, Vice Chairman and director of Interactive Brokers Group, Inc., reported indirect sales of Class A common stock through EN Holdings LLC. On January 22, 2026, EN Holdings LLC sold 100,000 shares at a weighted average price of $76.81 per share. On January 23, 2026, it sold an additional 84,935 shares at a weighted average of $77.65 and 60,065 shares at a weighted average of $78.14.
Following these transactions, EN Holdings LLC held 155,000 IBKR Class A shares indirectly for Nemser and his affiliates, while Nemser also reported 451,830 Class A shares held directly. The direct amount includes both vested and unvested restricted stock units granted under the company’s amended 2007 Stock Incentive Plan.
Interactive Brokers Group, Inc. director William Peterffy reported a stock-based compensation grant that vested on January 1, 2026. He acquired 389 shares of Class A common stock at a price of $64.31 per share, bringing his directly held total to 10,126 shares after the transaction. The award reflects a change approved by the company’s Board on January 22, 2026, which modified the director compensation policy so that annual equity awards granted on December 31 under the 2007 Stock Incentive Plan increased from $25,000 to $50,000. The reported price corresponds to the closing price of Interactive Brokers’ Class A common stock on December 31, 2025.
Interactive Brokers Group, Inc. director and Vice Chairman Earl H. Nemser reported receiving additional stock-based board compensation. The filing shows an acquisition of 389 shares of Class A common stock on January 1, 2026, representing restricted stock units that vested under the company’s 2007 Stock Incentive Plan as amended. The Board had modified its compensation policy, increasing annual awards to all directors from $25,000 to $50,000, with the price based on the $64.31 closing price of the stock on December 31, 2025.
After this grant, Nemser beneficially owns 451,830 Class A shares directly, and an additional 400,000 Class A shares are held indirectly by EN Holdings LLC, an entity owned by Nemser and his affiliates.
Interactive Brokers Group, Inc. director and CFO Paul Jonathan Brody received an additional equity award of 389 shares of Class A common stock. The award reflects a change in the company’s board compensation policy, under which annual stock awards to all directors under the 2007 Stock Incentive Plan increased from $25,000 to $50,000. These additional restricted stock units vested on January 1, 2026, and are reported at a reference price of $64.31 per share, the closing price on December 31, 2025. Following this grant, Brody beneficially owns 2,939,726 shares of Class A common stock in total.
Interactive Brokers Group, Inc. reported that Chief Executive Officer and director Milan Galik received an additional equity award under the company’s director compensation plan. Following a Board decision on January 22, 2026, the annual stock awards granted to all directors on December 31 each year under the 2007 Stock Incentive Plan doubled from $25,000 to $50,000.
As a result, Galik was granted 389 shares of Class A common stock as restricted stock units that vested on January 1, 2026, using a reference price of $64.31 per share, the closing price on December 31, 2025. After this grant, he beneficially owns 3,470,428 Class A shares, held directly.
Interactive Brokers Group, Inc. director equity grant: Director Lawrence E. Harris received 389 shares of Class A common stock on January 1, 2026 at a value of $64.31 per share, bringing his directly held stake to 199,482 shares. The grant reflects a change approved by the Board of Directors on January 22, 2026, which increased the annual equity award for all directors under the 2007 Stock Incentive Plan from $25,000 to $50,000 in restricted stock units that vest on January 1 each year.
Interactive Brokers Group director Lori A. Conkling reported stock awards tied to changes in the board compensation policy. On December 31, 2025, she acquired 389 shares of Class A common stock at a reported price of $0, representing additional restricted stock units from an increase in the one-time external director award under the 2007 Stock Incentive Plan from $75,000 to $100,000, retroactive to that date. These units will vest in five equal installments beginning December 31, 2026.
On January 1, 2026, she acquired another 389 shares at $64.31 per share, reflecting additional restricted stock units from an increase in the annual director award from $25,000 to $50,000, which vested on that date. After these transactions, Conkling directly beneficially owned 2,334 shares of Class A common stock, including both vested and unvested restricted stock units awarded under the plan.
Interactive Brokers Group director Jill Bright reported receiving 389 shares of Class A common stock as part of her board compensation. These additional restricted stock units were granted under the company’s 2007 Stock Incentive Plan after the Board doubled annual director equity awards from $25,000 to $50,000, and they vested on January 1, 2026.
The transaction was reported as an acquisition at a reference price of $64.31 per share, which reflects the closing price of the stock on December 31, 2025. Following this grant, Bright beneficially owns a total of 11,082 Class A shares, including stock acquired directly, shares from vested restricted stock units, and unvested restricted stock units under the plan.
Interactive Brokers Group, Inc. director Nicole Yuen reported an equity compensation grant. On January 1, 2026, she acquired 389 shares of Class A common stock at a price of $64.31 per share, increasing her holdings to 10,126 shares held directly.
The transaction reflects a modification approved by the Board of Directors to its compensation policy. Under the company’s 2007 Stock Incentive Plan, the annual awards granted to all directors on December 31 of each year increased from $25,000 to $50,000, resulting in additional restricted stock units for Yuen that vested on January 1, 2026. The reported price represents the closing price of the Class A common stock on December 31, 2025.
Interactive Brokers Group, Inc. director Richard H. Repetto reported an automatic stock award under the company’s 2007 Stock Incentive Plan. He acquired 389 shares of Class A common stock that vested on January 1, 2026, based on the $64.31 closing price on December 31, 2025. Following this grant, he beneficially owns 3,046 Class A shares.
The filing notes that on January 22, 2026 the Board increased its annual stock awards to directors from $25,000 to $50,000, delivered as restricted stock units granted each December 31.
Interactive Brokers Group Chief Financial Officer Paul Jonathan Brody reported stock-based awards in company shares. On 12/31/2025, he was granted 53,452 restricted stock units under the company’s 2007 Stock Incentive Plan at a stated price of $0, which will vest 20% on or about 5/9/2026 and 20% on each of the next four anniversaries. He also received an annual director grant of 389 restricted stock units for Board service, using the $64.31 closing price of the Class A common stock on December 31, 2025. After these awards, he beneficially owned 2,939,337 shares of Class A common stock, including both vested and unvested units awarded under the plan.
Interactive Brokers Group, Inc. director Lawrence E. Harris reported an annual equity award in the form of restricted stock units. On 12/31/2025, he received 389 RSUs of Class A common stock under the amended 2007 Stock Incentive Plan for service on the Board of Directors. The award vested immediately on that date, and the price used for the grant reflects the $64.31 closing price of the company’s Class A shares on December 31, 2025. Following this transaction, Harris beneficially owned 199,093 shares of Class A common stock, held directly.
Interactive Brokers Group director Jill Bright reported a routine equity grant. On 12/31/2025 she received 389 restricted stock units of Class A common stock under the amended 2007 Stock Incentive Plan for serving on the Board of Directors. The units vested immediately on that date, and the grant was valued using the closing share price of $64.31.
After this grant, she beneficially owns 10,693 shares and restricted stock units in total, held directly. This figure includes securities she has acquired, Class A common stock attributable to vested restricted stock units awarded under the plan, and unvested restricted stock units awarded under the same plan.
Interactive Brokers Group director Richard H. Repetto reported an equity award in the form of Class A common stock. On 12/31/2025 he acquired 389 shares at $64.31 per share as an annual grant of restricted stock units under the amended 2007 Stock Incentive Plan for serving on the Board of Directors; these units vested immediately on that date.
Following this grant, he beneficially owned 2,657 shares of Class A common stock on a direct basis. The filing notes that on June 17, 2025 the company completed a four-for-one split of its Class A common stock, which had previously increased his holdings by 1,701 shares. His reported ownership includes shares attributable to both vested and unvested restricted stock units awarded under the plan.
Interactive Brokers Group, Inc. (IBKR) Chief Executive Officer Milan Galik reported two equity awards in Class A common stock. On 12/31/2025 he was granted 224,650 restricted stock units at a price of $0 under the company’s 2007 Stock Incentive Plan, which will vest 20% on or about 5/9/2026 and 20% on each of the next four anniversaries of that date. He also received an annual grant of 389 restricted stock units for serving on the Board of Directors, which vested immediately on 12/31/2025 at a reference price of $64.31, the closing price of the stock that day.
Following these grants, Galik beneficially owned 3,470,039 shares of Class A common stock, including both vested and unvested awards under the plan.
Interactive Brokers Group, Inc. vice chairman Earl H. Nemser reported new equity awards in Class A common stock. On 12/31/2025 he received 23,240 restricted stock units under the 2007 Stock Incentive Plan that will vest 20% on or about 5/9/2026 and 20% on each of the first four anniversaries of 5/9/2026. He also received an annual grant of 389 restricted stock units for serving on the Board of Directors, which vested immediately on 12/31/2025 at the closing share price of $64.31.
Following these grants, Nemser directly beneficially owned 451,441 shares of Class A common stock, including vested and unvested restricted stock units awarded under the plan. He also indirectly beneficially owned 400,000 shares of Class A common stock through EN Holdings LLC, which is owned by him and his affiliates.
Interactive Brokers Group, Inc. executive vice president Thomas AJ Frank reported a stock-based compensation grant in the form of restricted stock units. On 12/31/2025 he was awarded 13,944 Class A common shares at a price of $0, recorded as an acquisition of non-derivative securities. These units were granted under the company’s 2007 Stock Incentive Plan.
The award will vest 20% on or about 5/9/2026 and 20% on each of the first four anniversaries of that date, creating a five-year vesting schedule. Following this grant, Frank beneficially owns 283,248 shares of Class A common stock, which includes both shares attributable to vested restricted stock units and unvested restricted stock units awarded under the plan. The footnotes also note a four-for-one stock split on 6/17/2025 that increased his indirect ownership by 201,978 additional shares.
Interactive Brokers Group Chief Accounting Officer Denis Mendonca reported an equity award in the form of 11,156 shares of Class A common stock on 12/31/2025, recorded at a price of $0 as this reflects a grant rather than an open‑market purchase. The footnotes explain this represents restricted stock units granted under the company’s 2007 Stock Incentive Plan.
The award will vest 20% on or about 5/9/2026 and 20% on each of the first four anniversaries of that date, creating a five-year vesting schedule. Following this grant, Mendonca beneficially owned 156,228 shares of Class A common stock, including both vested and unvested restricted stock units awarded under the plan. A prior four-for-one stock split on June 17, 2025 increased his indirect ownership by 108,804 shares.
Interactive Brokers Group, Inc. director Lori A. Conkling reported two equity awards of Class A common stock. On December 31, 2025, she received 1,167 restricted stock units under the company’s 2007 Stock Incentive Plan that will vest in five equal installments beginning December 31, 2026, at a grant price of $0. She also received an annual Board-related grant of 389 restricted stock units, which vested immediately on December 31, 2025, valued at the closing share price of $64.31 on that date. Following these transactions, she beneficially owned 1,556 shares of Class A common stock, including both vested and unvested restricted stock units awarded under the plan.
Interactive Brokers Group director Nicole Yuen reported receiving an annual grant of 389 shares of Class A common stock on 12/31/2025. The shares were granted as restricted stock units under the amended 2007 Stock Incentive Plan for serving on the Board of Directors and vested immediately on that date. The grant is reported at a reference price of $64.31 per share, the closing price of the stock on December 31, 2025. After this grant, Yuen beneficially owned 9,737 shares of Class A common stock directly. The filing also notes that on June 17, 2025, a four-for-one stock split increased her holdings by 7,011 shares.
Interactive Brokers Group director William Peterffy received an equity award of 389 shares of Class A common stock on December 31, 2025. The award was an annual grant of restricted stock units under the company’s amended 2007 Stock Incentive Plan for serving on the Board of Directors and vested immediately on that date. The grant value was based on a price of $64.31, which was the closing price of the Class A common stock on December 31, 2025. Following this grant, Peterffy directly beneficially owned 9,737 shares of Class A common stock. The company had previously effected a four-for-one stock split of its Class A common stock on June 17, 2025, which resulted in his ownership increasing by 7,011 additional shares at that time.
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.
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.
Interactive Brokers Group, Inc.’s Chief Financial Officer, Paul Jonathan Brody, through PJB Holdings LLC, reported selling a total of 65,895 shares of Class A common stock on September 19 and 22, 2025, in open-market or private transactions at weighted-average prices between $63.48 and $65.29 per share. After these sales, he holds 93,059 shares indirectly via PJB Holdings LLC and 2,885,496 shares directly, including vested and unvested restricted stock units awarded under the amended 2007 Stock Incentive 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.