Walker James John
SEC CIK 2021757 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| NNE | Nano Nuclear Energy Inc. | CEO, Dir | 635.0K | — | $11.55M | 9 | 2025-12-24 | 2026-09-03 |
Most active insiders at NNE, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Yu Jiang | Pres, COB, Dir, 10% | — | $83.87M |
| 2 | I Financial Ventures Group LLC | 10% | — | $74.36M |
| 3 | Walker James John | CEO, Dir | — | $11.55M |
| 4 | Garcha Jaisun | CFO | — | $3.54M |
| 5 | Law Tsun Yee | Dir | — | $1.78M |
| 6 | Hare Diane Elizabeth | Dir | — | $1.31M |
| 7 | Yu Kenny Joe Yung | Dir | — | $1.30M |
| 8 | Berl Seth Jason | Dir | — | $194.9K |
| 9 | Heidet Florent | CTO | — | $74.9K |
Transactions 9
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| T | 2026-09-03 17:49 | 2026-09-03 | NNE | Nano Nuclear Energy Inc. | Walker James John | CEO, Dir | S - Sale | $17.77 | -25.0K | 635.0K | -4% | -$444.2K |
| T | 2026-09-03 16:05 | 2026-09-01 | NNE | Nano Nuclear Energy Inc. | Walker James John | CEO, Dir | S - Sale | $17.44 | -25.0K | 660.0K | -4% | -$436.1K |
| DA | 2026-08-26 16:05 | 2026-06-03 | NNE | Nano Nuclear Energy Inc. | Walker James John | CEO, Dir | M - OptEx | $3.00 | +200.0K | 780.0K | +34% | +$600.0K |
| DMT | 2026-06-05 17:52 | 2026-06-03 | NNE | Nano Nuclear Energy Inc. | Walker James John | CEO, Dir | M - OptEx | $2.13 | +98.7K | 608.7K | +19% | +$210.0K |
| DMT | 2026-06-05 17:52 | 2026-06-03 | NNE | Nano Nuclear Energy Inc. | Walker James John | CEO, Dir | S - Sale+OE | $26.49 | -123.7K | 555.0K | -18% | -$3.28M |
| D | 2026-02-04 | 2026-02-02 | NNE | Nano Nuclear Energy Inc. | Walker James John | CEO, Dir | M - OptEx | $1.50 | +330.0K | 580.0K | +132% | +$495.0K |
| D | 2026-01-30 | 2026-01-28 | NNE | Nano Nuclear Energy Inc. | Walker James John | CEO, Dir | M - OptEx | $1.50 | +170.0K | 445.0K | +62% | +$255.0K |
| DM | 2026-01-30 | 2026-01-28 | NNE | Nano Nuclear Energy Inc. | Walker James John | CEO, Dir | S - Sale+OE | $34.04 | -195.0K | 275.0K | -41% | -$6.64M |
| M | 2025-12-30 | 2025-12-24 | NNE | Nano Nuclear Energy Inc. | Walker James John | CEO, Dir | S - Sale | $30.13 | -25.0K | 277.5K | -8% | -$753.1K |
Purchase Sale Sale after option exercise All abbreviations