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 |
| 2023-11-09 Sale | 2023-11-13 09:00 am | COMFORT SYSTEMS USA INC | FIX | SANDBROOK WILLIAM J Director | 5,000 | $185.19 | $925,928 | 13,026 (Direct) | View |
| 2023-09-12 Sale | 2023-09-14 10:30 am | COMFORT SYSTEMS USA INC | FIX | SANDBROOK WILLIAM J Director | 7,500 | $187.52 | $1,406,364 | 18,026 (Direct) | View |
| 2020-11-24 Sale | 2020-11-27 4:49 pm | U.S. CONCRETE INC. | USCR | SANDBROOK WILLIAM J Director | 10,000 | $38.15 | $381,500 | 398,596 (Indirect Direct) | View |
| 2020-02-27 Purchase | 2020-02-27 7:56 pm | U.S. CONCRETE INC. | USCR | SANDBROOK WILLIAM J Chairman and CEO | 15,000 | $27.96 | $419,400 | 418,547 (Indirect Direct) | View |
| 2019-12-13 Purchase | 2019-12-17 2:22 pm | U.S. CONCRETE INC. | USCR | SANDBROOK WILLIAM J Chairman and CEO | 10,500 | $39.44 | $414,120 | 405,987 (Indirect 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 |
Ownership | 2024-09-05 5:13 pm | N/A N/A | Andretti Acquisition Corp. II | POLE | Andretti Sponsor II LLC Andretti Mario ANDRETTI MICHAEL SANDBROOK WILLIAM J Brown William Matthew 10% Owner | 0 | $0 | 5,750,000 (Direct) | View |
Ownership | 2024-07-25 5:37 pm | N/A N/A | Zapata Computing Holdings Inc. | ZPTA | SANDBROOK WILLIAM J 10% Owner | 0 | $0 | 5,545,637 (Direct) | View |
| 2024-05-17 Option Award | 2024-05-21 10:00 am | N/A N/A | COMFORT SYSTEMS USA INC | FIX | SANDBROOK WILLIAM J Director | 498 | $0 | 13,524 (Direct) | View |
| 2024-05-15 Option Award | 2024-05-16 6:26 pm | N/A N/A | Knife River Corp | KNF | SANDBROOK WILLIAM J Director | 1,905 | $0 | 4,144 (Direct) | View |
| 2024-05-15 Option Award | 2024-05-16 6:26 pm | N/A N/A | Knife River Corp | KNF | SANDBROOK WILLIAM J Director | 720 | $77.19 | 4,144 (Direct) | View |
| 2024-03-28 Option Award | 2024-04-01 4:27 pm | N/A N/A | Zapata Computing Holdings Inc. | ZPTA | Andretti Sponsor LLC ANDRETTI MICHAEL SANDBROOK WILLIAM J Brown William Matthew See Remarks 10% Owner | 34,744 | $0 | 5,826,505 (Direct) | View |
| 2024-03-28 Other | 2024-04-01 4:27 pm | N/A N/A | Zapata Computing Holdings Inc. | ZPTA | Andretti Sponsor LLC ANDRETTI MICHAEL SANDBROOK WILLIAM J Brown William Matthew See Remarks 10% Owner | 5,455,582 | $0 | 5,826,505 (Direct) | View |
| 2023-11-15 Option Award | 2023-11-16 5:25 pm | N/A N/A | Knife River Corp | KNF | SANDBROOK WILLIAM J Director | 1,519 | $57.57 | 1,519 (Direct) | View |
| 2023-05-16 Option Award | 2023-05-17 4:15 pm | N/A N/A | COMFORT SYSTEMS USA INC | FIX | SANDBROOK WILLIAM J Director | 1,065 | $0 | 25,526 (Direct) | View |
| 2022-06-02 Gift | 2022-06-06 4:15 pm | N/A N/A | COMFORT SYSTEMS USA INC | FIX | SANDBROOK WILLIAM J Director | 1,020 | $0 | 24,461 (Direct) | View |
| 2022-05-17 Option Award | 2022-05-19 5:57 pm | N/A N/A | COMFORT SYSTEMS USA INC | FIX | SANDBROOK WILLIAM J Director | 1,869 | $0 | 25,311 (Direct) | View |
| 2022-01-18 Other | 2022-01-20 5:05 pm | N/A N/A | Andretti Acquisition Corp. | WNNR | Andretti Sponsor LLC ANDRETTI MICHAEL SANDBROOK WILLIAM J Brown William Matthew See Remarks 10% Owner | 1,430,923 | $0 | 4,189,077 (Direct) | View |
Ownership | 2022-01-12 8:23 pm | N/A N/A | Andretti Acquisition Corp. | WNNR | Andretti Sponsor LLC ANDRETTI MICHAEL SANDBROOK WILLIAM J Brown William Matthew See Remarks 10% Owner | 0 | $0 | 5,620,000 (Direct) | View |
| 2021-05-18 Option Award | 2021-05-20 10:09 am | N/A N/A | COMFORT SYSTEMS USA INC | FIX | SANDBROOK WILLIAM J Director | 1,939 | $0 | 23,442 (Direct) | View |
| 2021-03-18 Exercise | 2021-03-22 7:17 pm | N/A N/A | U.S. CONCRETE INC. | USCR | SANDBROOK WILLIAM J Director | 11,720 | $0 | 422,036 (Direct) | View |
| 2021-03-11 Exercise | 2021-03-15 7:06 pm | N/A N/A | U.S. CONCRETE INC. | USCR | SANDBROOK WILLIAM J Director | 11,720 | $0 | 422,036 (Direct) | View |
| 2020-10-01 Option Award | 2020-10-05 5:43 pm | N/A N/A | U.S. CONCRETE INC. | USCR | SANDBROOK WILLIAM J Director | 2,705 | $0 | 408,596 (Direct) | View |
| 2020-06-10 Option Award | 2020-06-12 6:16 pm | N/A N/A | U.S. CONCRETE INC. | USCR | SANDBROOK WILLIAM J Director | 915 | $0 | 405,891 (Direct) | View |
| 2020-05-19 Option Award | 2020-05-21 10:42 am | N/A N/A | COMFORT SYSTEMS USA INC | FIX | SANDBROOK WILLIAM J Director | 4,788 | $0 | 21,503 (Direct) | View |
| 2020-04-03 Exercise | 2020-04-07 6:31 pm | N/A N/A | U.S. CONCRETE INC. | USCR | SANDBROOK WILLIAM J Chairman and CEO | 23,440 | $0 | 428,416 (Direct) | View |
| 2020-04-03 Tax Withholding | 2020-04-07 6:31 pm | N/A N/A | U.S. CONCRETE INC. | USCR | SANDBROOK WILLIAM J Chairman and CEO | 11,861 | $14.16 | 428,416 (Direct) | View |
| 2020-04-03 Disposition | 2020-04-07 6:31 pm | N/A N/A | U.S. CONCRETE INC. | USCR | SANDBROOK WILLIAM J Chairman and CEO | 13,400 | $0 | 428,416 (Direct) | View |
| 2020-02-28 Gift | 2020-04-07 6:31 pm | N/A N/A | U.S. CONCRETE INC. | USCR | SANDBROOK WILLIAM J Chairman and CEO | 4,815 | $0 | 428,416 (Direct) | View |
| 2020-03-01 Exercise | 2020-03-03 6:18 pm | N/A N/A | U.S. CONCRETE INC. | USCR | SANDBROOK WILLIAM J Chairman and CEO | 11,720 | $0 | 457,957 (Direct) | View |
| 2020-03-01 Tax Withholding | 2020-03-03 6:18 pm | N/A N/A | U.S. CONCRETE INC. | USCR | SANDBROOK WILLIAM J Chairman and CEO | 6,070 | $26.84 | 457,957 (Direct) | View |
| 2020-03-01 Disposition | 2020-03-03 6:18 pm | N/A N/A | U.S. CONCRETE INC. | USCR | SANDBROOK WILLIAM J Chairman and CEO | 13,120 | $0 | 457,957 (Direct) | View |
| 2019-05-16 Ownership | 2020-02-13 7:14 pm | N/A N/A | U.S. CONCRETE INC. | USCR | SANDBROOK WILLIAM J Chairman and CEO | 2,745 | $0 | 403,547 (Direct) | View |