As of the latest Form 4 filed Jun 5, 2026.
What Nano Nuclear Energy Inc. Common Stock insiders — officers, directors and 10% owners — have bought and sold in their own stock, straight from their SEC Form 4 filings. Values are shares × the reported transaction price where both are disclosed.
Buys plotted up, sells down; bar height is the disclosed dollar value (shares × reported price). Our Form 4 history is only complete from mid-2026, so early months are sparse — the series fills in as more filings land. Open-market purchases and sales only.
Newest filing first — the 56 most recent filings for NNE.
| Filed | Trade date | Insider | Transaction | Shares | Price | Value | 10b5-1 | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-06-05 | 2026-06-05 | Heidet Florent Chief Technology Officer | SSale | −3.00K | $24.95 | $74.9K | No | Form 4 ↗ |
| 2026-06-05 | 2026-06-05 | Berl Seth Jason Director | SSale | −3.75K | $24.92 | $93.5K | No | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Law Tsun Yee Director | MExercise | +3.43K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Hare Diane Elizabeth Director | SSale | −100.00 | $28.87 | $2.89K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Hare Diane Elizabeth, Director | SSale | −100.00 | $27.84 | $2.78K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Hare Diane Elizabeth, Director | SSale | −1.00K | $27.04 | $27.0K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Hare Diane Elizabeth, Director | SSale | −2.23K | $26.31 | $58.6K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Hare Diane Elizabeth, Director | MExercise | +3.43K | $0.00 | $0.00 | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Walker James John Chief Executive Officer | SSale | −25.0K | $26.04 | $651K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Walker James John, Chief Executive Officer | SSale | −71.00 | $29.91 | $2.12K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Walker James John, Chief Executive Officer | SSale | −201.00 | $28.69 | $5.77K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Walker James John, Chief Executive Officer | SSale | −2.62K | $27.56 | $72.3K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Walker James John, Chief Executive Officer | SSale | −25.8K | $26.77 | $690K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Walker James John, Chief Executive Officer | MExercise | +28.7K | $0.00 | $0.00 | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Walker James John, Chief Executive Officer | SSale | −1.48K | $27.90 | $41.2K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Walker James John, Chief Executive Officer | SSale | −22.4K | $27.06 | $606K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Walker James John, Chief Executive Officer | SSale | −46.1K | $26.18 | $1.21M | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Walker James John, Chief Executive Officer | MExercise | +70.0K | $3.00 | $210K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Yu Jiang President and Chairman | SSale | −700.00 | $29.91 | $20.9K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Yu Jiang, President and Chairman | SSale | −500.00 | $28.89 | $14.4K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Yu Jiang, President and Chairman | SSale | −1.40K | $27.83 | $39.0K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Yu Jiang, President and Chairman | SSale | −13.1K | $27.07 | $353K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Yu Jiang, President and Chairman | SSale | −30.3K | $26.29 | $795K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Yu Jiang, President and Chairman | MExercise | +45.9K | $0.00 | $0.00 | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Yu Jiang, President and Chairman | SSale | −2.08K | $29.91 | $62.4K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Yu Jiang, President and Chairman | SSale | −1.43K | $28.98 | $41.4K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Yu Jiang, President and Chairman | SSale | −4.01K | $27.83 | $112K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Yu Jiang, President and Chairman | SSale | −67.5K | $27.16 | $1.83M | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Yu Jiang, President and Chairman | SSale | −125K | $26.30 | $3.29M | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Yu Jiang, President and Chairman | MExercise | +200K | $3.00 | $600K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Yu Jiang, President and Chairman | SSale | −5.21K | $29.91 | $156K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Yu Jiang, President and Chairman | SSale | −3.57K | $28.98 | $103K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Yu Jiang, President and Chairman | SSale | −10.0K | $27.83 | $279K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Yu Jiang, President and Chairman | SSale | −169K | $27.16 | $4.58M | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Yu Jiang, President and Chairman | SSale | −313K | $26.30 | $8.22M | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Heidet Florent Chief Technology Officer | MExercise | +9.19K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Garcha Jaisun Chief Financial Officer | SSale | −57.00 | $29.91 | $1.70K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Garcha Jaisun, Chief Financial Officer | SSale | −174.00 | $28.81 | $5.01K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Garcha Jaisun, Chief Financial Officer | SSale | −1.76K | $27.59 | $48.6K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Garcha Jaisun, Chief Financial Officer | SSale | −15.2K | $26.84 | $409K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Garcha Jaisun, Chief Financial Officer | MExercise | +17.2K | $0.00 | $0.00 | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Garcha Jaisun, Chief Financial Officer | SSale | −20.0K | $26.08 | $522K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Garcha Jaisun, Chief Financial Officer | MExercise | +20.0K | $3.00 | $60.0K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | I Financial Ventures Group LLC 10% owner | SSale | −2.08K | $29.91 | $62.4K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | I Financial Ventures Group LLC, 10% owner | SSale | −1.43K | $28.98 | $41.4K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | I Financial Ventures Group LLC, 10% owner | SSale | −4.01K | $27.83 | $112K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | I Financial Ventures Group LLC, 10% owner | SSale | −67.5K | $27.16 | $1.83M | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | I Financial Ventures Group LLC, 10% owner | SSale | −125K | $26.30 | $3.29M | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | I Financial Ventures Group LLC, 10% owner | MExercise | +200K | $3.00 | $600K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | I Financial Ventures Group LLC, 10% owner | SSale | −5.21K | $29.91 | $156K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | I Financial Ventures Group LLC, 10% owner | SSale | −3.57K | $28.98 | $103K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | I Financial Ventures Group LLC, 10% owner | SSale | −10.0K | $27.83 | $279K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | I Financial Ventures Group LLC, 10% owner | SSale | −169K | $27.16 | $4.58M | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | I Financial Ventures Group LLC, 10% owner | SSale | −313K | $26.30 | $8.22M | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Yu Kenny Joe Yung Director | MExercise | +3.43K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Berl Seth Jason Director | MExercise | −7.50K | $0.00 | $0.00 | No | Form 4 ↗ |
Insiders — a company’s officers, directors and holders of more than 10% of its stock — must report any trade in that stock to the SEC on a Form 4 within two business days. Each row here is one transaction from those filings.
The transaction code tells you what happened: Purchase (P) and Sale (S) are open-market trades — the ones markets watch most; Award (A) is a granted stock or unit, Option exercise (M) converts options into shares, and Gift (G) is a transfer for no consideration. Awards, exercises and gifts are largely compensation or administrative, not a directional bet.
One caveat on sales: many are made under a Rule 10b5-1 plan scheduled months in advance, so a sale is not automatically a bearish signal. Insider activity is a noisy input — read it alongside the filings, not on its own.
See also NNE’s full analysis or the market-wide insider trading feed. The tabs above jump to NNE’s other SEC data.
Source: SEC Form 4 filings for NNE, parsed from EDGAR. Transaction prices are as reported in the filing — SEC public-domain data, not market quotes. Values are shares × reported price where both are disclosed; grants and gifts often carry no price. A delayed record of what insiders reported, not a live position or a recommendation.
Research and education only — not financial advice. TENKis not a registered investment adviser or broker-dealer and gives no personalized advice. Every call is impersonal — identical for all users, generated on a schedule from SEC filings plus a delayed/third-party price feed — may be wrong or out of date, and is not a recommendation to buy or sell any security. The operator and an affiliated trading operation may hold or trade the securities TENK rates; see Disclosures. Past performance does not guarantee future results. Do your own research.