Walker James John, CEO of Nano Nuclear Energy Inc. ($NNE), sold shares on the open market eight times over the last year, totaling about $7.4 million. His most recent sale occurred on January 28, 2026. These transactions rank 1,434th among 11,678 individual insiders in our database by sale value, below the average of $8.6 million across 6.4 transactions per insider. He made no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 2, 2026 | Nano Nuclear Energy Inc. | $NNE | Walker James John | Chief Executive Officer | M | Common Stock | 330000 | $1.50 | 580,000.0000 | 50,474,294 | 132.00% | 0.65% |
| Feb. 2, 2026 | Nano Nuclear Energy Inc. | $NNE | Walker James John | Chief Executive Officer | M | Stock Options | 330000 | $0.00 | 500,000.0000 | 50,474,294 | 39.76% | 0.65% |
| Jan. 28, 2026 | Nano Nuclear Energy Inc. | $NNE | Walker James John | Chief Executive Officer | S | Common Stock | 76171 | $34.37 | 282,731.0000 | 50,474,294 | 21.22% | 0.15% |
| Jan. 28, 2026 | Nano Nuclear Energy Inc. | $NNE | Walker James John | Chief Executive Officer | S | Common Stock | 7731 | $35.26 | 275,000.0000 | 50,474,294 | 2.73% | 0.02% |
| Jan. 28, 2026 | Nano Nuclear Energy Inc. | $NNE | Walker James John | Chief Executive Officer | S | Common Stock | 13581 | $33.66 | 261,419.0000 | 50,474,294 | 4.94% | 0.03% |
| Jan. 28, 2026 | Nano Nuclear Energy Inc. | $NNE | Walker James John | Chief Executive Officer | S | Common Stock | 10609 | $34.38 | 250,810.0000 | 50,474,294 | 4.06% | 0.02% |
| Jan. 28, 2026 | Nano Nuclear Energy Inc. | $NNE | Walker James John | Chief Executive Officer | S | Common Stock | 810 | $35.27 | 250,000.0000 | 50,474,294 | 0.32% | 0.00% |
| Jan. 28, 2026 | Nano Nuclear Energy Inc. | $NNE | Walker James John | Chief Executive Officer | M | Stock Options | 170000 | $0.00 | 830,000.0000 | 50,474,294 | 17.00% | 0.34% |
| Jan. 28, 2026 | Nano Nuclear Energy Inc. | $NNE | Walker James John | Chief Executive Officer | M | Common Stock | 170000 | $1.50 | 445,000.0000 | 50,474,294 | 61.82% | 0.34% |
| Jan. 28, 2026 | Nano Nuclear Energy Inc. | $NNE | Walker James John | Chief Executive Officer | S | Common Stock | 86098 | $33.64 | 358,902.0000 | 50,474,294 | 19.35% | 0.17% |
| Dec. 24, 2025 | Nano Nuclear Energy Inc. | $NNE | Walker James John | Chief Executive Officer | S | Common Stock | 22459 | $30.03 | 277,541.0000 | 50,474,294 | 7.49% | 0.04% |
| Dec. 24, 2025 | Nano Nuclear Energy Inc. | $NNE | Walker James John | Chief Executive Officer | S | Common Stock | 2541 | $30.97 | 275,000.0000 | 50,474,294 | 0.92% | 0.01% |
| Nov. 13, 2025 | Nano Nuclear Energy Inc. | $NNE | Walker James John | Chief Executive Officer | A | Restricted Stock Units | 89022 | $0.00 | 0.0000 | 41,580,673 | 0.00% | 0.21% |
| June 3, 2025 | Nano Nuclear Energy Inc. | $NNE | Walker James John | Chief Executive Officer | A | Restricted Stock Units | 86064 | $0.00 | 0.0000 | 0 | 0.00% | 0.00% |
| March 13, 2025 | Nano Nuclear Energy Inc. | $NNE | Walker James John | Chief Executive Officer | A | Stock Options (right to purchase) | 300000 | $0.00 | 300,000.0000 | 0 | 9999.99% | 0.00% |