Seth Jason Berl - 02 Mar 2026 Form 4 Insider Report for Nano Nuclear Energy Inc. (NNE)

Role: Director
Signature: /s/ Seth Jason Berl
Issuer symbol: NNE
Transactions as of: 02 Mar 2026
Net transactions value: -$101,444
Form type: 4
Filing time: 04 Mar 2026, 17:00:11 UTC
Previous filing: 30 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Berl Seth Jason	Director	10 TIMES SQUARE, 30TH FLOOR, NEW YORK	/s/ Seth Jason Berl	04 Mar 2026	0002074226

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	NNE	Common Stock	Sale	$101,444	-3,664	-49%	$27.69	3,836	02 Mar 2026	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents the number of common stock required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of certain Restricted Stock Units ("RSUs"). The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person. The RSUs were originally granted on June 3, 2025 under the Issuer's 2025 Equity Incentive Plan, the vesting of which were subject to the Reporting Person's continued service with the Issuer through the vesting date. On December 3, 2025, the RSUs vested as a result of the Reporting Person's continued service with the Issuer through the vesting date.
F2	This transaction was executed in multiple trades during the day at prices ranging from $27.6200 to $27.7500. 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.

Content

Represents the number of common stock required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of certain Restricted Stock Units ("RSUs"). The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person. The RSUs were originally granted on June 3, 2025 under the Issuer's 2025 Equity Incentive Plan, the vesting of which were subject to the Reporting Person's continued service with the Issuer through the vesting date. On December 3, 2025, the RSUs vested as a result of the Reporting Person's continued service with the Issuer through the vesting date.

This transaction was executed in multiple trades during the day at prices ranging from $27.6200 to $27.7500. 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.