Nano Nuclear Energy (NNE) 4: Law Tsun Yee bought 22,691 shares of Common Stock at $1.50… (Dec 30, 2025)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2025-12-23 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: Nano Nuclear Energy Inc. (NNE) CIK: 0001923891 --- Reporting Owner --- Name: Law Tsun Yee CIK: 0002021811 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2025-12-23 | Code: M (Exercise of derivative) Shares: +22,691 | Price: $1.50 Total Value: $34,036.50 Shares Owned After: 122,691 | 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 December 23, 2025, such options were exercised. [Transaction #2] Security: Common Stock Date: 2025-12-23 | Code: S (Open market sale) Shares: -22,691 | Price: $32.26 Total Value: $731,925.43 Shares Owned After: 100,000 | Ownership: D (Direct) Footnotes: [F2] This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025. [F3] This transaction was executed in multiple trades during the day at prices ranging from $31.7400 to $32.7300. 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. [Transaction #3] Security: Common Stock Date: 2025-12-23 | Code: M (Exercise of derivative) Shares: +7,309 | Price: $1.50 Total Value: $10,963.50 Shares Owned After: 107,309 | 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 December 23, 2025, such options were exercised. [Transaction #4] Security: Common Stock Date: 2025-12-23 | Code: S (Open market sale) Shares: -7,309 | Price: $32.98 Total Value: $241,080.06 Shares Owned After: 100,000 | Ownership: D (Direct) Footnotes: [F2] This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025. [F4] This transaction was executed in multiple trades during the day at prices ranging from $32.7400 to $33.4900. 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. [Transaction #5] Security: Common Stock Date: 2025-12-23 | Code: S (Open market sale) Shares: -18,670 | Price: $32.25 Total Value: $602,064.56 Shares Owned After: 81,330 | Ownership: D (Direct) Footnotes: [F2] This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025. [F5] This transaction was executed in multiple trades during the day at prices ranging from $31.7400 to $32.7300. 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. [Transaction #6] Security: Common Stock Date: 2025-12-23 | Code: S (Open market sale) Shares: -6,330 | Price: $32.98 Total Value: $208,743.14 Shares Owned After: 75,000 | Ownership: D (Direct) Footnotes: [F2] This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025. [F6] This transaction was executed in multiple trades during the day at prices ranging from $32.7400 to $33.4900. 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. --- Derivative Transactions --- [Transaction #1] Security: Stock Options Date: 2025-12-23 | Code: M (Exercise of derivative) Shares: -30,000 | Price: $0.00 Shares Owned After: 5,000 | 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 December 23, 2025, 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 December 23, 2025, 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 December 23, 2025, 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 December 23, 2025, such options were exercised. F2: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025. F3: This transaction was executed in multiple trades during the day at prices ranging from $31.7400 to $32.7300. 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. F4: This transaction was executed in multiple trades during the day at prices ranging from $32.7400 to $33.4900. 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. F5: This transaction was executed in multiple trades during the day at prices ranging from $31.7400 to $32.7300. 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. F6: This transaction was executed in multiple trades during the day at prices ranging from $32.7400 to $33.4900. 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. --- Signature --- /s/ /s/ Tsun Yee Law (2025-12-30)