Nano Nuclear Energy (NNE) CFO exercises significant stock options

Rhea-AI Filing Summary

Nano Nuclear Energy Inc.’s Chief Financial Officer, Jaisun Garcha, reported exercising vested stock options and increasing his direct common share holdings. On February 2, 2026, he exercised options for 75,000 shares at $1.50 per share and 20,000 shares at $3.00 per share.

These exercises delivered the corresponding common stock, bringing his directly owned common shares to 325,000 and 345,000 after each respective transaction. He continues to hold stock options, including 190,000 and 170,000 derivative securities remaining after the reported option exercises.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Garcha Jaisun

(Last) (First) (Middle)

10 TIMES SQUARE, 30TH FLOOR

(Street)

NEW YORK NY 10018

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Nano Nuclear Energy Inc. [ NNE ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/02/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/02/2026		M(1)		75,000(1)	A	$1.5	325,000	D
Common Stock	02/02/2026		M(2)		20,000(2)	A	$3	345,000	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Options(1)	$1.5	02/02/2026		M			75,000(1)	(1)	(1)	Common Stock	75,000	$0	190,000	D
Stock Options(2)	$3	02/02/2026		M			20,000(2)	(2)	(2)	Common Stock	20,000	$0	170,000	D

Explanation of Responses:

1. 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 February 2, 2026, such options were exercised.

2. 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 $3.00 per share, which were fully vested and exercisable on June 7, 2023, with expiry on June 7, 2026. On February 2, 2026, such options were exercised.

	/s/ Jaisun Garcha	02/04/2026
	** Signature of Reporting Person	Date
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