John A. Weinzierl
Chairman at Big Sky Industrial Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Big Sky Industrial Inc., 3 years.
Big Sky Industrial Inc.
Director · Chairman
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Apr 29, 2026 | Big Sky Industrial Inc. | Other | −1,818,000 | $1.10 | $1,999,800 |
| Apr 29, 2026 | Big Sky Industrial Inc. | Other | +909,000 | $1.10 | $999,900 |
| Apr 29, 2026 | Big Sky Industrial Inc. | Other | +909,000 | $1.10 | $999,900 |
| Oct 28, 2025 | Big Sky Industrial Inc. | Other | +796,761 | — | — |
| Oct 28, 2025 | Big Sky Industrial Inc. | Other | −1,400,000 | — | — |
| Feb 14, 2025 | Big Sky Industrial Inc. | Grant or award | +80,000 | — | — |
| Jan 9, 2025 | Big Sky Industrial Inc. | Grant or award | +1,400,000 | — | — |
| Apr 8, 2024 | Big Sky Industrial Inc. | Other | +3,124,893 | — | — |
| Mar 19, 2024 | Big Sky Industrial Inc. | Grant or award | +120,000 | — | — |
| Jan 5, 2023 | Big Sky Industrial Inc. | Grant or award | +97,826 | — | — |
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