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 |
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 |