Nano Nuclear Energy (NNE)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-06-03 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: Nano Nuclear Energy Inc. (NNE) CIK: 0001923891 --- Reporting Owner --- Name: Yu Kenny Joe Yung CIK: 0002021805 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-06-03 | Code: M (Exercise of derivative) Shares: +3,428 | Price: $0.00 Shares Owned After: 18,428 | Ownership: D (Direct) Footnotes: [F1] Represents shares of common stock issued upon the vesting and settlement of certain Restricted Stock Units ("RSUs") granted on June 3, 2025 under the Issuer's 2025 Equity Incentive Plan based on a value per RSU of $29.18, the closing price of the Issuer's common stock as reported on The Nasdaq Capital Market on June 3, 2025. On June 3, 2026, such RSUs were vested and settled. --- Derivative Transactions --- [Transaction #1] Security: Restricted Stock Units Date: 2026-06-03 | Code: M (Exercise of derivative) Shares: -3,428 | Price: $0.00 Shares Owned After: 2,968 | Ownership: D (Direct) Footnotes: [F1] Represents shares of common stock issued upon the vesting and settlement of certain Restricted Stock Units ("RSUs") granted on June 3, 2025 under the Issuer's 2025 Equity Incentive Plan based on a value per RSU of $29.18, the closing price of the Issuer's common stock as reported on The Nasdaq Capital Market on June 3, 2025. On June 3, 2026, such RSUs were vested and settled. [F1] Represents shares of common stock issued upon the vesting and settlement of certain Restricted Stock Units ("RSUs") granted on June 3, 2025 under the Issuer's 2025 Equity Incentive Plan based on a value per RSU of $29.18, the closing price of the Issuer's common stock as reported on The Nasdaq Capital Market on June 3, 2025. On June 3, 2026, such RSUs were vested and settled. --- Footnotes (Complete Index) --- F1: Represents shares of common stock issued upon the vesting and settlement of certain Restricted Stock Units ("RSUs") granted on June 3, 2025 under the Issuer's 2025 Equity Incentive Plan based on a value per RSU of $29.18, the closing price of the Issuer's common stock as reported on The Nasdaq Capital Market on June 3, 2025. On June 3, 2026, such RSUs were vested and settled. --- Signature --- /s/ /s/ Kenny Joe Yung Yu (2026-06-05)