Skip to contentSANDBROOK WILLIAM J — US CONCRETE INC insider: 178 transactions · InsiderLensSANDBROOK WILLIAM J
- Director at Knife River Corp · on record since May 21, 2026
- 10% owner at Zapata Quantum, Inc. · on record since Apr 1, 2024
- See Remarks at Zapata Quantum, Inc. · on record since Apr 1, 2024
- Director at Andretti Acquisition Corp. II · on record since Sep 5, 2024
- Executive Chairman at Andretti Acquisition Corp. II · on record since Sep 5, 2024
- 10% owner at Andretti Acquisition Corp. II · on record since Sep 5, 2024
- Director at US CONCRETE INC · on record since Aug 31, 2011
- Director at COMFORT SYSTEMS USA INC · on record since Apr 30, 2026
- Chairman and CEO at US CONCRETE INC · on record since May 20, 2019
- Director at Zapata Quantum, Inc. · on record since Jan 20, 2022
- See Remarks at Zapata Quantum, Inc. · on record since Jan 20, 2022
Insider trading activity of SANDBROOK WILLIAM J
- Transactions on record
- 178
- since Aug 24, 2011
- Open-market buys
- 11
- $1.3M
- Open-market sells
- 77
- $23.5M
- Companies traded
- 3
- last filing May 21, 2026
Figures computed from official regulatory filings — methodology.
Companies where SANDBROOK WILLIAM J has traded
Track record of SANDBROOK WILLIAM J
Statistical track record
Free- Open-market buys
- 11
- Last buy
- Feb 27, 2020
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Create a free account→Transaction history of SANDBROOK WILLIAM J
Co-insiders of SANDBROOK WILLIAM J
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ALBANESE THOMAS JUS CONCRETE INC
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| May 21, 2026 | Award | 2,040 | 0.00 USD | $0 | SEC |
| May 19, 2026 | Award | 105 | 0.00 USD | $0 | SEC |
| Apr 30, 2026 | Sell | -1,500 | 1,732.67 USD | $2.6M | SEC |
| Feb 26, 2026 | Sell | -2,500 | 1,443.32 USD | $3.6M | SEC |
| Sep 10, 2025 | Sell | -100 | 706.00 USD | $70.6K | SEC |
| Sep 10, 2025 | Sell | -800 | 733.56 USD | $586.8K | SEC |
| Sep 10, 2025 | Sell | -600 | 708.97 USD | $425.4K | SEC |
| Aug 27, 2025 | Sell | -700 | 689.58 USD | $482.7K | SEC |
| May 27, 2025 | Award | 1,551 | 0.00 USD | $0 | SEC |
| May 20, 2025 | Award | 342 | 0.00 USD | $0 | SEC |
| May 21, 2024 | Award | 498 | 0.00 USD | $0 | SEC |
| May 16, 2024 | Award | 720 | 77.19 USD | $55.6K | SEC |
| May 16, 2024 | Award | 1,905 | 0.00 USD | $0 | SEC |
| Nov 16, 2023 | Award | 1,519 | 57.57 USD | $87.4K | SEC |
| Nov 13, 2023 | Sell | -5,000 | 185.19 USD | $926K | SEC |
| Sep 14, 2023 | Sell | -7,500 | 187.52 USD | $1.4M | SEC |
| May 17, 2023 | Award | 1,065 | 0.00 USD | $0 | SEC |
| Jun 6, 2022 | Gift | -850 | 0.00 USD | $0 | SEC |
| Jun 6, 2022 | Gift | -170 | 0.00 USD | $0 | SEC |
| Jun 6, 2022 | Gift | 170 | 0.00 USD | $0 | SEC |
| May 19, 2022 | Award | 1,869 | 0.00 USD | $0 | SEC |
| May 20, 2021 | Award | 1,939 | 0.00 USD | $0 | SEC |
| Mar 22, 2021 | ExerciseD | -11,720 | 0.00 USD | $0 | SEC |
| Mar 22, 2021 | Exercise | 11,720 | 0.00 USD | $0 | SEC |
| Mar 15, 2021 | ExerciseD | -11,720 | 0.00 USD | $0 | SEC |