Nano Nuclear Energy Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for Nano Nuclear Energy Inc. (NNE), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are NNE insiders buying or selling?
In the last 12 months, Nano Nuclear Energy Inc. insiders reported 0 open-market purchases ($0) and 22 sales ($178.0M) — net selling of $178.0M. Since December 2025, Trabud has recorded 22 Form 4 filings for NNE: 0 buys ($0) and 22 sells ($178.0M).
Source: SEC EDGAR Form 4
What stands out
- No Nano Nuclear Energy Inc. insider made an open-market purchase in the last 12 months; the 22 reported open-market sales totaled $178.0M.
Key Statistics (December 2025 – Sep 3, 2026)
Total Form 4 filings
22
SEC EDGAR
Insider filers
9
Insider buys (0)
$0
Insider sells (22)
$178.0M
Insider sentiment
Net sellingNet insider flow of $178.0M in net selling since December 2025, and $178.0M in net selling over the last 12 months.
Recent NNE insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Sep 3, 2026 | James John Walker | Chief Executive Officer | Sale | 25.0K | $17.77 | $444.2K | SEC ↗ |
| Sep 3, 2026 | Jiang Yu | President and Chairman | Sale | 474.5K | $17.46 | $8.3M | SEC ↗ |
| Sep 3, 2026 | James John Walker | Chief Executive Officer | Sale | 25.0K | $17.44 | $436.1K | SEC ↗ |
| Jun 5, 2026 | Diane Elizabeth Hare | Director | Sale | 3.4K | $26.64 | $91.3K | SEC ↗ |
| Jun 5, 2026 | James John Walker | Chief Executive Officer | Sale | 123.7K | $26.49 | $3.3M | SEC ↗ |
| Jun 5, 2026 | Jiang Yu | President and Chairman | Sale | 745.9K | $26.68 | $19.9M | SEC ↗ |
| Jun 5, 2026 | Florent Heidet | Chief Technology Officer | Sale | 3.0K | $24.95 | $74.9K | SEC ↗ |
| Jun 5, 2026 | Jaisun Garcha | Chief Financial Officer | Sale | 37.2K | $26.48 | $985.6K | SEC ↗ |
| Jun 5, 2026 | I Financial Ventures Group LLC | 10% Owner | Sale | 700.0K | $26.68 | $18.7M | SEC ↗ |
| Jun 5, 2026 | Seth Jason Berl | Director | Sale | 3.8K | $24.92 | $93.5K | SEC ↗ |
| Mar 4, 2026 | Seth Jason Berl | Director | Sale | 3.7K | $27.69 | $101.4K | SEC ↗ |
| Jan 30, 2026 | Jiang Yu | President and Chairman | Sale | 888.0K | $33.82 | $30.0M | SEC ↗ |
| Jan 30, 2026 | I Financial Ventures Group LLC | 10% Owner | Sale | 888.0K | $33.82 | $30.0M | SEC ↗ |
| Jan 30, 2026 | James John Walker | Chief Executive Officer | Sale | 195.0K | $34.04 | $6.6M | SEC ↗ |
| Jan 30, 2026 | Jaisun Garcha | Chief Financial Officer | Sale | 75.0K | $34.04 | $2.6M | SEC ↗ |
| Jan 6, 2026 | Diane Elizabeth Hare | Director | Sale | 20.0K | $28.70 | $574.0K | SEC ↗ |
| Dec 30, 2025 | Tsun Yee Law | Director | Sale | 55.0K | $32.43 | $1.8M | SEC ↗ |
| Dec 30, 2025 | Kenny Joe Yung Yu | Director | Sale | 40.0K | $32.43 | $1.3M | SEC ↗ |
| Dec 30, 2025 | Jiang Yu | President and Chairman | Sale | 888.0K | $28.90 | $25.7M | SEC ↗ |
| Dec 30, 2025 | James John Walker | Chief Executive Officer | Sale | 25.0K | $30.12 | $753.1K | SEC ↗ |
| Dec 30, 2025 | Diane Elizabeth Hare | Director | Sale | 20.0K | $32.43 | $648.6K | SEC ↗ |
| Dec 30, 2025 | I Financial Ventures Group LLC | 10% Owner | Sale | 888.0K | $28.90 | $25.7M | SEC ↗ |
Showing the 22 most recent of 22 Form 4 filings for Nano Nuclear Energy Inc..
Most active NNE insiders
- James John Walker5 filings
- Jiang Yu4 filings
- Diane Elizabeth Hare3 filings
- I Financial Ventures Group LLC3 filings
- Jaisun Garcha2 filings
Ask anything about NNE insider activity
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Open the AI agentNNE insider trading FAQ
Are Nano Nuclear Energy Inc. insiders buying or selling?
In the last 12 months, Nano Nuclear Energy Inc. insiders reported 0 open-market purchases ($0) and 22 sales ($178.0M) — net selling of $178.0M. Since December 2025, Trabud has recorded 22 Form 4 filings for NNE: 0 buys ($0) and 22 sells ($178.0M). Over the full record that is net selling of $178.0M.
How many insiders trade NNE stock?
9 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for Nano Nuclear Energy Inc.. The most recent filing was accepted on Sep 3, 2026.
Where does Trabud get NNE insider trading data?
All NNE insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.