Nano Nuclear Energy grants chairman 461,223 stock units

Each restricted stock unit represents the right to receive one share of Nano Nuclear Energy common stock.

Rhea-AI Filing Summary

Nano Nuclear Energy Inc. President and Chairman Jiang Yu, who is also a director, received a grant of 461,223 restricted stock units on October 1, 2026. The reported value was $15.73 per unit, based on the October 1, 2026 closing price of the company’s common stock on The Nasdaq Capital Market. The units vest in three equal installments on the first, second and third anniversaries of the grant date, subject to continued service through each vesting date.

Insider Trade Summary 10b5-1

Grant/Award: 461,223 shares

Grant/Award 1 txn

Insider Yu Jiang

Role President and Chairman

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units F1	461,223	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 0 contracts (Direct)

Footnotes (1)

1. F1. Represents Restricted Stock Units ("RSUs") granted on October 1, 2026 ("Grant Date") under the Issuer's 2025 Equity Incentive Plan ("2025 Plan"); based on a value per RSU of $15.73, the closing price of the Issuer's common stock as reported on The Nasdaq Capital Market on October 1, 2026. Each RSU represents the right to receive one share of the Issuer's common stock, subject to the terms and conditions set forth in the award of such RSUs by the Issuer to the Reporting Person pursuant to a Restricted Stock Unit Award Agreement and the 2025 Plan. The RSUs shall vest in three equal installments, with one third (1/3) vesting on each of the first, second and third anniversary of the Grant Date, subject to the Reporting Person's continued service with the Issuer through each applicable vesting date. Any applicable fraction of an RSU that would otherwise be vested will be accumulated and will vest only when a whole RSU has accumulated.

Key Figures

Restricted stock units granted: 461,223 units Value per restricted stock unit: $15.73 per unit Common shares per restricted stock unit: 1 common share +2 more

5 metrics

Restricted stock units granted 461,223 units Granted October 1, 2026

Value per restricted stock unit $15.73 per unit Based on the October 1, 2026 closing price of the company’s common stock

Common shares per restricted stock unit 1 common share Each unit represents the right to receive one share

Vesting installments 3 equal installments On the first, second and third anniversaries of the grant date

Vesting portion per installment one-third Of the restricted stock units, subject to continued service

Key Terms

Restricted Stock Units, 2025 Equity Incentive Plan, Restricted Stock Unit Award Agreement

3 terms

Restricted Stock Units financial

"Restricted Stock Units ("RSUs") granted on October 1, 2026"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

2025 Equity Incentive Plan financial

"under the Issuer's 2025 Equity Incentive Plan"

Restricted Stock Unit Award Agreement financial

"pursuant to a Restricted Stock Unit Award Agreement"

A restricted stock unit (RSU) award agreement is a formal promise from a company that an employee or contractor will receive company shares (or cash equal to their value) after meeting certain conditions, such as staying with the company for a set time or hitting performance targets. Investors care because RSUs can dilute existing shares when converted, reveal how management is paid and incentivized, and signal future share issuance that can affect earnings and stock value.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many RSUs did NNE President and Chairman Jiang Yu receive?

Jiang Yu received a grant of 461,223 restricted stock units on October 1, 2026. The reported value was $15.73 per unit, based on the closing price of Nano Nuclear Energy common stock that day on The Nasdaq Capital Market.

How do Jiang Yu’s NNE restricted stock units vest?

The 461,223 units vest in three equal installments, with one-third vesting on each of the first, second and third anniversaries of October 1, 2026. Vesting is subject to Jiang Yu’s continued service through each applicable vesting date.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/05/2026 - 06:25 PM Accepted by SEC EDGAR 10/05/2026 - 06:25 PM Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

X

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^*

Yu Jiang

(Last) (First) (Middle)

10 TIMES SQUARE, 30TH FLOOR

(Street)

NEW YORK NEW YORK 10018

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President and Chairman

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/01/2026

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

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

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

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

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
Restricted Stock Units(1)	(1)	10/01/2026		A		461,223(1)		(1)	(1)	Common Stock	461,223	$0	0	D

Explanation of Responses:

1. Represents Restricted Stock Units ("RSUs") granted on October 1, 2026 ("Grant Date") under the Issuer's 2025 Equity Incentive Plan ("2025 Plan"); based on a value per RSU of $15.73, the closing price of the Issuer's common stock as reported on The Nasdaq Capital Market on October 1, 2026. Each RSU represents the right to receive one share of the Issuer's common stock, subject to the terms and conditions set forth in the award of such RSUs by the Issuer to the Reporting Person pursuant to a Restricted Stock Unit Award Agreement and the 2025 Plan. The RSUs shall vest in three equal installments, with one third (1/3) vesting on each of the first, second and third anniversary of the Grant Date, subject to the Reporting Person's continued service with the Issuer through each applicable vesting date. Any applicable fraction of an RSU that would otherwise be vested will be accumulated and will vest only when a whole RSU has accumulated.

	/s/ Jiang Yu	10/05/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)