Sandbrook William J
- SEC CIK
- 0001527678
In the past year, 2 open-market sale filings worth $6.21M and no purchases.
Current role at each company
- POLE Andretti Acquisition Corp. IIExecutive Chairmanas of Sep 9, 2026
- KNF Knife River CorpDirectoras of May 21, 2026
- FIX Comfort Systems USA IncDirectoras of May 19, 2026
- ZPTA Zapata Quantum, Inc.Director, 10% Owner, Other: See Remarksas of Apr 1, 2024
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- $6.21M
- 2 filings
- Net
- −$6.21M
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists Sandbrook William J as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
FIX Comfort Systems USA Inc
Director6 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Apr 30, 2026 (view filing) | Apr 29 | 1 day | Sandbrook William JDirector | SSale | −1.50K | $1,732.67 | −$2.60M | −16.4%7.67K after | |
| Feb 26, 2026 (view filing) | Feb 24 | 2 days | Sandbrook William JDirector | SSale | −2.50K | $1,443.32 | −$3.61M | −21.4%9.17K after | |
| Sep 10, 2025 (view filing) | Sep 9-10 | 1 day | Sandbrook William JDirector | SSale | −1.50K | $721.89 | −$1.08M | −11.4%11.7K after | 3 lots |
| Aug 27, 2025 (view filing) | Aug 25 | 2 days | Sandbrook William JDirector | SSale | −700 | $689.58 | −$482.7K | −5.0%13.2K after | |
| Nov 13, 2023 (view filing) | Nov 9 | 4 days | Sandbrook William JDirector | SSale | −5.00K | $185.19 | −$926.0K | −27.7%13.0K after | |
| Sep 14, 2023 (view filing) | Sep 12 | 2 days | Sandbrook William JDirector | SSale | −7.50K | $187.52 | −$1.41M | −29.4%18.0K after |