Florent Heidet - 03 Jun 2026 Form 4 Insider Report for Nano Nuclear Energy Inc. (NNE)

Reporting relationship: Chief Technology Officer
Issuer ticker: NNE
Reported as of: 03 Jun 2026
Net transaction value: -$74,858
SEC form: 4
Accepted by SEC: 05 Jun 2026, 17:31:33 UTC
Prior SEC filing: 17 Nov 2025
Source filing: View source filing
Reporting owner signature: /s/ Florent Heidet

Key filing fact

Florent Heidet filed Form 4 for Nano Nuclear Energy Inc. (NNE) on 05 Jun 2026.

Key facts

This page summarizes Florent Heidet's Form 4 filing for Nano Nuclear Energy Inc. (NNE).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 05 Jun 2026, 17:31.

Change

Previous filing in this sequence was filed on 17 Nov 2025.
Current net transaction value: -$74,858.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002061167 Primary reporting owner

Heidet Florent

Relationship: Chief Technology Officer
Address: 10 TIMES SQUARE, 30TH FLOOR, NEW YORK
Signature: /s/ Florent Heidet
Signature date: 05 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

NNE transaction

Common Stock

Options Exercise

Transaction value
Shares: +9,185
Change %
Price: $0.000000^*
Shares after: 9,185
Date: 03 Jun 2026
Ownership: Direct
Footnotes: F1

NNE transaction

Common Stock

Sale

Transaction value: $74,858
Shares: -3,000
Change %: -33%
Price: $24.95
Shares after: 6,185
Date: 05 Jun 2026
Ownership: Direct
Footnotes: F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

NNE transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: +9,185
Change %: +45%
Price: $0.000000^*
Shares after: 29,647
Date: 03 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 9,185
Exercise price
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote 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.

Footnote F2

This transaction was executed in multiple trades during the day at prices ranging from $24.8500 to $25.0850. 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.