9 insiders reported 142 Form 4 transactions for Nano Nuclear Energy Inc. (NNE) over the past 18 months (most recent 2026-09-03). Recent activity: Yu Jiang (President and Chairman) Sell 332,569 shares, Walker James John (Chief Executive Officer) Sell 25,000 shares, Walker James John (Chief Executive Officer) Sell 25,000 shares, Yu Jiang (President and Chairman) Sell 141,931 shares, Walker James John (Chief Executive Officer) Buy 200,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-03 | Yu Jiang | President and Chairman | Sell | 332,569 | $5.8M |
| 2026-09-03 | Walker James John | Chief Executive Officer | Sell | 25,000 | $436,065 |
| 2026-09-03 | Walker James John | Chief Executive Officer | Sell | 25,000 | $444,168 |
| 2026-09-03 | Yu Jiang | President and Chairman | Sell | 141,931 | $2.5M |
| 2026-08-26 | Walker James John | Chief Executive Officer | Buy | 200,000 | $600,000 |
| 2026-06-05 | Walker James John | Chief Executive Officer | Sell | 201 | $5,767 |
| 2026-06-05 | Walker James John | Chief Executive Officer | Sell | 46,145 | $1.2M |
| 2026-06-05 | Walker James John | Chief Executive Officer | Sell | 22,380 | $605,603 |
| 2026-06-05 | Walker James John | Chief Executive Officer | Sell | 1,475 | $41,152 |
| 2026-06-05 | Walker James John | Chief Executive Officer | Buy | 28,688 | $0 |
| 2026-06-05 | Walker James John | Chief Executive Officer | Sell | 25,792 | $690,452 |
| 2026-06-05 | Walker James John | Chief Executive Officer | Sell | 2,624 | $72,317 |
| 2026-06-05 | Walker James John | Chief Executive Officer | Buy | 70,000 | $210,000 |
| 2026-06-05 | Walker James John | Chief Executive Officer | Sell | 71 | $2,124 |
| 2026-06-05 | Walker James John | Chief Executive Officer | Sell | 25,000 | $651,000 |
| 2026-06-05 | Hare Diane Elizabeth | Director | Buy | 3,428 | $0 |
| 2026-06-05 | Hare Diane Elizabeth | Director | Sell | 2,228 | $58,619 |
| 2026-06-05 | Hare Diane Elizabeth | Director | Sell | 1,000 | $27,040 |
| 2026-06-05 | Hare Diane Elizabeth | Director | Sell | 100 | $2,784 |
| 2026-06-05 | Hare Diane Elizabeth | Director | Sell | 100 | $2,887 |
| 2026-06-05 | Yu Jiang | President and Chairman | Sell | 312,553 | $8.2M |
| 2026-06-05 | Yu Jiang | President and Chairman | Sell | 168,626 | $4.6M |
| 2026-06-05 | Yu Jiang | President and Chairman | Sell | 10,035 | $279,274 |
| 2026-06-05 | Yu Jiang | President and Chairman | Sell | 3,571 | $103,488 |
| 2026-06-05 | Yu Jiang | President and Chairman | Sell | 5,215 | $155,981 |
Source: SEC Form 4 filings · as of 2026-09-03