Form 4 for NNE Nano Nuclear Energy Inc.
Accepted 2026-01-30 00:00:00 ET · period of report 2026-01-28 · accession 0001493152-26-004580 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-01-30 | 2026-01-28 | NNE | Walker James John | CEO, Dir | M - OptEx | $1.50 | +170.0K | 445.0K | +62% | +$255.0K |
| DM | 2026-01-30 | 2026-01-28 | NNE | Walker James John | CEO, Dir | S - Sale+OE | $34.04 | -195.0K | 275.0K | -41% | -$6.64M |
| D | 2026-01-30 | 2026-01-28 | NNE | Walker James John | CEO, Dir | M - OptEx | $0.00 | -170.0K | 830.0K | -17% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-01-28 | M | A | 170,000 | $1.50 | 445,000 | D | — | — | |
| 2 | Common | Common Stock | 2026-01-28 | S | D | 86,098 | $33.64 | 358,902 | D | — | — | (F3) This transaction was executed in multiple trades during the day at prices ranging from $33.1200 to $34.1200. The weighted-average price is reported above. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected. |
| 3 | Common | Common Stock | 2026-01-28 | S | D | 76,171 | $34.37 | 282,731 | D | — | — | (F4) This transaction was executed in multiple trades during the day at prices ranging from $34.1300 to $34.9400. The weighted-average price is reported above. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected. |
| 4 | Common | Common Stock | 2026-01-28 | S | D | 810 | $35.27 | 250,000 | D | — | — | (F8) This transaction was executed in multiple trades during the day at prices ranging from $35.2500 to $35.3500. The weighted-average price is reported above. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected. |
| 5 | Common | Common Stock | 2026-01-28 | S | D | 13,581 | $33.66 | 261,419 | D | — | — | (F6) This transaction was executed in multiple trades during the day at prices ranging from $33.1500 to $34.1450. The weighted-average price is reported above. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected. |
| 6 | Common | Common Stock | 2026-01-28 | S | D | 10,609 | $34.38 | 250,810 | D | — | — | (F7) This transaction was executed in multiple trades during the day at prices ranging from $34.1700 to $34.8900. The weighted-average price is reported above. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected. |
| 7 | Common | Common Stock | 2026-01-28 | S | D | 7,731 | $35.26 | 275,000 | D | — | — | (F5) This transaction was executed in multiple trades during the day at prices ranging from $35.2400 to $35.3700. The weighted-average price is reported above. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected. |
| 8 | Derivative | Stock Options | 2026-01-28 | M | D | 170,000 | $0.00 | 830,000 | D | $1.50 · — to — | 170,000 Common Stock | (F1) Represents the number of shares of common stock issued upon exercise of certain options originally granted to the reporting person at the exercise price of $1.50 per share, which were fully vested and exercisable on February 10, 2023, with expiry on February 10, 2026. On January 28, 2026, such options were exercised. |