James John Walker sold $3.3M of NNE
Chief Executive Officer at Nano Nuclear Energy Inc.. 123,688 shares at an average of $26.49, traded Jun 3, 2026, filed Jun 5, 2026.
Score components
- +25RoleCEO
- +25Trade size$3.3M at market
- +5Share of holdings soldSold 19% of holdings
- +15Cluster7 insiders selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001493152-26-027559, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Jun 3, 2026 | MOption exercise Common Stock10b5-1 | +70,000 | $3.00 | $210k | 650,000 | Jun 5, 2026 |
| Jun 3, 2026 | SOpen-market sale Common Stock10b5-1 | -46,145 | $26.18 | $1.2M | 603,855 | Jun 5, 2026 |
| Jun 3, 2026 | SOpen-market sale Common Stock10b5-1 | -22,380 | $27.06 | $606k | 581,475 | Jun 5, 2026 |
| Jun 3, 2026 | SOpen-market sale Common Stock10b5-1 | -1,475 | $27.90 | $41k | 580,000 | Jun 5, 2026 |
| Jun 3, 2026 | MOption exercise Common Stock10b5-1 | +28,688 | $0.00 | $0 | 608,688 | Jun 5, 2026 |
| Jun 3, 2026 | SOpen-market sale Common Stock10b5-1 | -25,792 | $26.77 | $690k | 582,896 | Jun 5, 2026 |
| Jun 3, 2026 | SOpen-market sale Common Stock10b5-1 | -2,624 | $27.56 | $72k | 580,272 | Jun 5, 2026 |
| Jun 3, 2026 | SOpen-market sale Common Stock10b5-1 | -201 | $28.69 | $5,766 | 580,071 | Jun 5, 2026 |
| Jun 3, 2026 | SOpen-market sale Common Stock10b5-1 | -71 | $29.91 | $2,124 | 580,000 | Jun 5, 2026 |
| Jun 3, 2026 | SOpen-market sale Common Stock10b5-1 | -25,000 | $26.04 | $651k | 555,000 | Jun 5, 2026 |
| Jun 3, 2026 | MOption exercise Stock Optionsderivative10b5-1 | -70,000 | $0.00 | $0 | 430,000 | Jun 5, 2026 |
| Jun 3, 2026 | MOption exercise Restricted Stock Unitsderivative10b5-1 | -28,688 | $0.00 | $0 | 146,398 | Jun 5, 2026 |
Related signals
Other insiders at Nano Nuclear Energy Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 30Weak | Nano Nuclear Energy Inc. | James John Walker Chief Executive Officer | $436k 25,000 shares | -4% | |
| 33Weak | Nano Nuclear Energy Inc. | Jiang Yu President and Chairman | $8.3M 474,500 shares | -6% | |
| 30Weak | Nano Nuclear Energy Inc. | James John Walker Chief Executive Officer | $444k 25,000 shares | -4% | |
| 35Weak | Nano Nuclear Energy Inc. | Seth Jason Berl director | $93k 3,750 shares | -33% | |
| 32Weak | Nano Nuclear Energy Inc. | Jaisun Garcha Chief Financial Officer | $986k 37,215 shares | -10% | |
| 24Weak | Nano Nuclear Energy Inc. | Diane Elizabeth Hare director | $91k 3,428 shares | -100% | |
| 33Weak | Nano Nuclear Energy Inc. | Florent Heidet Chief Technology Officer | $75k 3,000 shares | -33% | |
| 17Weak | Nano Nuclear Energy Inc. | I Financial Ventures Group LLC owner | $19M 700,000 shares | -8% | |
| 25Weak | Nano Nuclear Energy Inc. | Jiang Yu President and Chairman | $20M 745,900 shares | -9% | |
| 35Weak | NNEsell Nano Nuclear Energy Inc. | Seth Jason Berl director | $101k 3,664 shares | -49% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.