Time on boards
- Boards served
- 3
- Current seats
- 3
- Board service
- 6 years
- Director since
- 2024
6 years of board service in total across 3 boards, counting each seat separately. Longest: GameSquare Holdings Inc., 2 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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GameSquare Holdings Inc. June 18, 202699.5%
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AirJoule Technologies Corporation May 29, 202599.3%
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GameSquare Holdings Inc. March 12, 202596.1%
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 |
|---|---|---|---|---|---|
| Jul 10, 2026 | GameSquare Holdings Inc. | Option exercise | +150,000 | — | — |
| May 29, 2026 | Nomad Power Solutions Inc. | Grant or award | +25,000 | — | — |
| May 28, 2026 | AirJoule Technologies Corporation | Option exercise | +28,037 | — | — |
| Jan 15, 2026 | AirJoule Technologies Corporation | Open-market purchase | +153,846 | $3.25 | $500,000 |
| Dec 10, 2025 | AirJoule Technologies Corporation | Open-market purchase | +264,150 | $2.95 | $779,243 |
| Dec 9, 2025 | AirJoule Technologies Corporation | Open-market purchase | +46,800 | $2.84 | $132,912 |
| Dec 8, 2025 | AirJoule Technologies Corporation | Open-market purchase | +31,695 | $2.77 | $87,795 |
| Dec 4, 2025 | GameSquare Holdings Inc. | Option exercise | +150,000 | — | — |
| May 29, 2025 | AirJoule Technologies Corporation | Option exercise | +5,400 | — | — |
| Dec 30, 2024 | AirJoule Technologies Corporation | Gift | −1,530 | — | — |
| Dec 26, 2024 | AirJoule Technologies Corporation | Gift | −17,600 | — | — |
| Mar 14, 2024 | AirJoule Technologies Corporation | Grant or award | +294,118 | $8.50 | $2,500,003 |
| Mar 14, 2024 | AirJoule Technologies Corporation | Grant or award | +18,755,774 | — | — |
| Mar 7, 2024 | GameSquare Holdings Inc. | Grant or award | +719,424 | $1.39 | $999,999 |
Questions about Stuart D. Porter
What boards is Stuart D. Porter on?
Stuart D. Porter sits on the boards of AirJoule Technologies Corporation, GameSquare Holdings Inc. and Nomad Power Solutions Inc.
How long has Stuart D. Porter served on boards?
Our records show at least 6 years of board service across 3 boards, the earliest from 2024.
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