Sandbrook William J

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Sandbrook William J
CIK #0001527678
EDGAR Form CIK 2011 - 2026
3 [0001527678]
4 [0001527678]
5 [0001527678]
SC 13D [0001527678]
SC 13G [0001527678]
Form 13D/13G Filer Form 13D/13G Subject Filed
Sandbrook William J Zapata Computing Holdings Inc [2024-07-25]
[2012-03-16]
Form 3/4/5 Subject 2011 - 2026
Knife River Corp
Sandbrook William J
Comfort Systems USA Inc
Brown William Matthew
Andretti Acquisition Corp II
Andretti Sponsor II LLC
Andretti Mario
Andretti Michael
Zapata Quantum Inc
Andretti Sponsor LLC
US Concrete Inc
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Comfort Systems USA Inc FIX
Common Stock
2026-02-24 Sell 2,500 $1,443.32 3,608,300
Knife River Corp KNF
Common Stock
2025-05-22 Grant 1,551 $0.00
Comfort Systems USA Inc FIX
Common Stock
2025-05-16 Grant 342 $0.00
Comfort Systems USA Inc FIX
Common Stock
2024-05-17 Grant 498 $0.00
Knife River Corp KNF
Common Stock
2024-05-15 Grant 1,905 $0.00
Knife River Corp KNF
Common Stock
2024-05-15 Grant 720 $77.19 55,577
Zapata Quantum Inc ZPTA
Class B Ordinary Shares · derivative
2024-03-28 Other 4,189,077
Zapata Quantum Inc ZPTA
Common Stock
2024-03-28 Other 4,189,077
Zapata Quantum Inc ZPTA
Common Stock
2024-03-28 Other 652,214
Zapata Quantum Inc ZPTA
Common Stock
2024-03-28 Grant 34,744
Zapata Quantum Inc ZPTA
Common Stock
2024-03-28 Other 243,368
Zapata Quantum Inc ZPTA
Common Stock
2024-03-28 Other 370,923
Knife River Corp KNF
Common Stock
2023-11-15 Grant 1,519 $57.57 87,449
Comfort Systems USA Inc FIX
Common Stock
2023-11-09 Sell 5,000 $185.19 925,950
Comfort Systems USA Inc FIX
Common Stock
2023-09-12 Sell 7,500 $187.52 1,406,400
Comfort Systems USA Inc FIX
Common Stock
2023-05-16 Grant 1,065 $0.00
Comfort Systems USA Inc FIX
Common Stock
2022-06-02 Gift 170 $0.00
Comfort Systems USA Inc FIX
Common Stock
2022-06-02 Gift 850 $0.00
Comfort Systems USA Inc FIX
Common Stock
2022-06-02 Gift 170 $0.00
Comfort Systems USA Inc FIX
Common Stock
2022-05-17 Grant 1,869 $0.00
showing 20 of 173 most recent transactions
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