Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2025-08-14 Sale | 2025-08-15 4:06 pm | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 53,900 | $64 | $3,449,442 | 827,812 (Indirect Direct) | View |
| 2025-08-12 Sale | 2025-08-14 4:02 pm | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 201,686 | $67.39 | $13,592,582 | 881,712 (Indirect Direct) | View |
| 2025-08-08 Sale | 2025-08-12 4:02 pm | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 25,682 | $65.88 | $1,691,929 | 1,083,398 (Indirect Direct) | View |
| 2025-08-06 Sale | 2025-08-08 4:03 pm | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 25,682 | $63.72 | $1,636,391 | 1,109,080 (Indirect Direct) | View |
| 2025-08-04 Sale | 2025-08-06 4:18 pm | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 25,682 | $64.17 | $1,648,119 | 1,134,762 (Indirect Direct) | View |
| 2025-07-31 Sale | 2025-08-04 4:02 pm | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 27,482 | $65.28 | $1,793,965 | 1,160,444 (Indirect Direct) | View |
| 2025-07-30 Sale | 2025-08-01 4:49 pm | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 39,786 | $66.38 | $2,640,976 | 787,926 (Indirect Direct) | View |
| 2025-07-28 Sale | 2025-07-30 6:23 pm | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 100 | $65.9 | $6,590 | 827,712 (Indirect Direct) | View |
| 2024-02-21 Sale | 2024-02-23 4:18 pm | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 10,000 | $105.94 | $1,059,350 | 108,770 (Direct) | View |
| 2024-02-15 Sale | 2024-02-20 4:55 pm | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 15,000 | $104.23 | $1,563,461 | 118,770 (Direct) | View |
| 2024-02-13 Sale | 2024-02-15 4:54 pm | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 75,000 | $101.29 | $7,597,054 | 133,770 (Direct) | View |
| 2024-02-02 Sale | 2024-02-06 5:07 pm | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 100,000 | $96.14 | $9,613,978 | 208,770 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2025-07-30 Option Award | 2025-08-01 4:45 pm | N/A N/A | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 400,000 | $66.22 | 1,187,926 (Indirect) | View |
| 2025-06-23 Gift | 2025-06-24 4:13 pm | N/A N/A | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 500 | $0 | 827,812 (Direct) | View |
| 2025-06-02 Tax Withholding(A) | 2025-06-04 12:25 pm | N/A N/A | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 5,178 | $185.6 | 207,078 (Direct) | View |
| 2025-06-02 Tax Withholding | 2025-06-03 4:10 pm | N/A N/A | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 5,178 | $185.6 | 207,078 (Direct) | View |
| 2025-01-03 Option Award | 2025-01-07 4:44 pm | N/A N/A | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 7,763 | $0 | 212,256 (Direct) | View |
| 2025-01-03 Option Award | 2025-01-07 4:44 pm | N/A N/A | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 142 | $176.67 | 212,256 (Direct) | View |
| 2024-07-25 Option Award | 2024-07-29 4:04 pm | N/A N/A | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 100,000 | $118.57 | 204,351 (Indirect) | View |
| 2024-05-22 Tax Withholding | 2024-05-24 4:05 pm | N/A N/A | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 4,419 | $119.13 | 104,351 (Direct) | View |
| 2024-01-04 Option Award | 2024-01-05 4:19 pm | N/A N/A | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 302 | $82.9 | 308,770 (Direct) | View |
| 2024-01-04 Option Award | 2024-01-05 4:19 pm | N/A N/A | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 14,780 | $0 | 308,770 (Direct) | View |
| 2023-12-06 Gift | 2023-12-08 4:11 pm | N/A N/A | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 800 | $0 | 293,688 (Direct) | View |
| 2023-08-09 Other | 2023-09-13 6:42 pm | N/A N/A | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 396,000 | $86.85 | 865,310 (Indirect) | View |
| 2023-07-27 Option Award | 2023-07-31 8:08 pm | N/A N/A | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 396,000 | $86.85 | 515,666 (Indirect) | View |
| 2023-05-25 Tax Withholding(A) | 2023-06-06 4:14 pm | N/A N/A | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 3,052 | $77.99 | 119,666 (Direct) | View |
| 2023-05-25 Tax Withholding | 2023-05-26 4:01 pm | N/A N/A | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 2,271 | $77.99 | 120,447 (Direct) | View |
| 2023-01-05 Option Award | 2023-01-06 4:10 pm | N/A N/A | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 346 | $72.35 | 122,718 (Direct) | View |
| 2023-01-05 Option Award | 2023-01-06 4:10 pm | N/A N/A | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 14,954 | $0 | 122,718 (Direct) | View |
| 2022-10-19 Gift | 2022-10-21 4:20 pm | N/A N/A | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 1,250 | $0 | 107,418 (Direct) | View |
| 2022-05-23 Tax Withholding | 2022-05-25 5:05 pm | N/A N/A | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 2,554 | $52.62 | 108,668 (Direct) | View |
| 2022-04-25 Option Award | 2022-04-27 4:32 pm | N/A N/A | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 191 | $0 | 111,222 (Direct) | View |
| 2022-01-04 Option Award | 2022-01-06 4:58 pm | N/A N/A | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 315 | $79.42 | 111,031 (Direct) | View |
| 2022-01-04 Option Award | 2022-01-06 4:58 pm | N/A N/A | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 12,967 | $0 | 111,031 (Direct) | View |
| 2021-05-20 Tax Withholding | 2021-05-24 4:03 pm | N/A N/A | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 2,097 | $69.6 | 97,749 (Direct) | View |
| 2021-01-06 Option Award | 2021-01-07 4:26 pm | N/A N/A | Interactive Brokers Group Inc. | IBKR | Nemser Earl H Vice Chairman Director | 14,295 | $0 | 99,846 (Direct) | View |