Diane Elizabeth Hare - 03 Jun 2026 Form 4 Insider Report for Nano Nuclear Energy Inc. (NNE)

Reporting relationship: Director
Issuer ticker: NNE
Reported as of: 03 Jun 2026
Net transaction value: -$91,322
SEC form: 4
Accepted by SEC: 05 Jun 2026, 18:12:48 UTC
Prior SEC filing: 06 Jan 2026
Source filing: View source filing
Reporting owner signature: /s/ Diane Elizabeth Hare

Key filing fact

Diane Elizabeth Hare filed Form 4 for Nano Nuclear Energy Inc. (NNE) on 05 Jun 2026.

Key facts

This page summarizes Diane Elizabeth Hare's Form 4 filing for Nano Nuclear Energy Inc. (NNE).
6 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 05 Jun 2026, 18:12.

Change

Previous filing in this sequence was filed on 06 Jan 2026.
Current net transaction value: -$91,322.

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 0002021755 Primary reporting owner

Hare Diane Elizabeth

Relationship: Director
Address: 10 TIMES SQUARE, 30TH FLOOR, NEW YORK
Signature: /s/ Diane Elizabeth Hare
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: +3,428
Change %
Price: $0.000000^*
Shares after: 3,428
Date: 03 Jun 2026
Ownership: Direct
Footnotes: F1

NNE transaction

Common Stock

Sale

Transaction value: $58,616
Shares: -2,228
Change %: -65%
Price: $26.31
Shares after: 1,200
Date: 03 Jun 2026
Ownership: Direct
Footnotes: F2, F3

NNE transaction

Common Stock

Sale

Transaction value: $27,035
Shares: -1,000
Change %: -83%
Price: $27.04
Shares after: 200
Date: 03 Jun 2026
Ownership: Direct
Footnotes: F2, F4

NNE transaction

Common Stock

Sale

Transaction value: $2,784
Shares: -100
Change %: -50%
Price: $27.84
Shares after: 100
Date: 03 Jun 2026
Ownership: Direct
Footnotes: F2, F5

NNE transaction

Common Stock

Sale

Transaction value: $2,887
Shares: -100
Change %: -100%
Price: $28.87
Shares after: 0
Date: 03 Jun 2026
Ownership: Direct
Footnotes: F2, F6

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: -3,428
Change %: -54%
Price: $0.000000^*
Shares after: 2,968
Date: 03 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 3,428
Exercise price: $0.000000
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 6 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 effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025.

Footnote F3

This transaction was executed in multiple trades during the day at prices ranging from $25.7600 to $26.7300. 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.

Footnote F4

This transaction was executed in multiple trades during the day at prices ranging from $26.7600 to $27.4600. 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.

Footnote F5

This transaction was executed at a price of $27.8400. 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.

Footnote F6

This transaction was executed at a price of $28.8700. 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.