Nano Nuclear Energy (NNE) 4: Walker James John bought 330,000 shares of Common Stock at… (Feb 4, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-02-02 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: Nano Nuclear Energy Inc. (NNE) CIK: 0001923891 --- Reporting Owner --- Name: Walker James John CIK: 0002021757 Role: Director, Officer (Chief Executive Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-02-02 | Code: M (Exercise of derivative) Shares: +330,000 | Price: $1.50 Total Value: $495,000.00 Shares Owned After: 580,000 | Ownership: D (Direct) Footnotes: [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 February 2, 2026, such options were exercised. [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 February 2, 2026, such options were exercised. --- Derivative Transactions --- [Transaction #1] Security: Stock Options Date: 2026-02-02 | Code: M (Exercise of derivative) Shares: -330,000 | Price: $0.00 Shares Owned After: 500,000 | Ownership: D (Direct) Footnotes: [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 February 2, 2026, such options were exercised. [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 February 2, 2026, such options were exercised. [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 February 2, 2026, such options were exercised. --- Footnotes (Complete Index) --- 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 February 2, 2026, such options were exercised. --- Signature --- /s/ /s/ James John Walker (2026-02-04)