James John Walker
Chief Executive Officer at Nano Nuclear Energy Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 3 years
- Director since
- 2024
3 years of board service in total across 1 board, counting each seat separately. Longest: Nano Nuclear Energy Inc., 2 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Nano Nuclear Energy Inc. September 17, 202697.6%
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 |
|---|---|---|---|---|---|
| Sep 3, 2026 | Nano Nuclear Energy Inc. | Open-market sale | −25,000 | $17.77 | $444,250 |
| Sep 1, 2026 | Nano Nuclear Energy Inc. | Open-market sale | −25,000 | $17.44 | $436,000 |
| Jun 3, 2026 | Nano Nuclear Energy Inc. | Option exercise | +70,000 | $3.00 | $210,000 |
| Jun 3, 2026 | Nano Nuclear Energy Inc. | Open-market sale | −46,145 | $26.18 | $1,208,076 |
| Jun 3, 2026 | Nano Nuclear Energy Inc. | Open-market sale | −22,380 | $27.06 | $605,603 |
| Jun 3, 2026 | Nano Nuclear Energy Inc. | Open-market sale | −1,475 | $27.90 | $41,153 |
| Jun 3, 2026 | Nano Nuclear Energy Inc. | Option exercise | +28,688 | — | — |
| Jun 3, 2026 | Nano Nuclear Energy Inc. | Open-market sale | −25,792 | $26.77 | $690,452 |
| Jun 3, 2026 | Nano Nuclear Energy Inc. | Open-market sale | −2,624 | $27.56 | $72,317 |
| Jun 3, 2026 | Nano Nuclear Energy Inc. | Open-market sale | −201 | $28.69 | $5,767 |
| Jun 3, 2026 | Nano Nuclear Energy Inc. | Open-market sale | −71 | $29.91 | $2,124 |
| Jun 3, 2026 | Nano Nuclear Energy Inc. | Open-market sale | −25,000 | $26.04 | $651,000 |
| Feb 2, 2026 | Nano Nuclear Energy Inc. | Option exercise | +330,000 | $1.50 | $495,000 |
| Jan 28, 2026 | Nano Nuclear Energy Inc. | Option exercise | +170,000 | $1.50 | $255,000 |
| Jan 28, 2026 | Nano Nuclear Energy Inc. | Open-market sale | −86,098 | $33.64 | $2,896,337 |
Questions about James John Walker
What boards is James John Walker on?
James John Walker sits on the board of Nano Nuclear Energy Inc.
What company is James John Walker the CEO of?
James John Walker has been Chief Executive Officer of Nano Nuclear Energy Inc. since May 2024.
How long has James John Walker served on boards?
Our records show at least 3 years of board service across 1 board, the earliest from 2024.
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