Walker James John
- SEC CIK
- 0002021757
In the past year, 5 open-market sale filings worth $11.5M and no purchases.
Current role at each company
- NNE Nano Nuclear Energy Inc.Chief Executive Officeras of Sep 3, 2026
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- $11.5M
- 5 filings
- Net
- −$11.5M
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists Walker James John as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 3, 2026 (view filing)5:49 PM ET | Sep 3 | Same day | Walker James JohnChief Executive Officer | SSale | −25.0K | $17.77 | −$444.2K | −3.8%635.0K after | 10b5-1 |
| Sep 3, 2026 (view filing)4:05 PM ET | Sep 1 | 2 days | Walker James JohnChief Executive Officer | SSale | −25.0K | $17.44 | −$436.1K | −3.6%660.0K after | 10b5-1 |
| Jun 5, 2026 (view filing) | Jun 3 | 2 days | Walker James JohnChief Executive Officer | SSale | −123.7K | $26.49 | −$3.28M | −18.2%555.0K after | From original8 lots |
| Jan 30, 2026 (view filing) | Jan 28 | 2 days | Walker James JohnChief Executive Officer | SSale | −195.0K | $34.04 | −$6.64M | −43.8%250.0K after | 6 lots10b5-1 |
| Dec 30, 2025 (view filing) | Dec 24 | 6 days | Walker James JohnChief Executive Officer | SSale | −25.0K | $30.13 | −$753.1K | −8.3%275.0K after | 2 lots10b5-1 |