Nano Nuclear director acquires 3,428 shares via RSUs

Nano Nuclear Energy Inc. director Yu Kenny Joe Yung acquired 3,428 shares of common stock on June 3, 2026 through the vesting and settlement of previously granted Restricted Stock Units (RSUs).

Rhea-AI Filing Summary

Nano Nuclear Energy Inc. director Yu Kenny Joe Yung acquired 3,428 shares of common stock on June 3, 2026 through the vesting and settlement of previously granted Restricted Stock Units (RSUs). These RSUs were granted on June 3, 2025 under the 2025 Equity Incentive Plan based on a value of $29.18 per RSU. After this equity award vested, Yung directly holds 18,428 shares of common stock and 2,968 RSUs, reflecting routine equity compensation rather than an open-market purchase or sale.

Insights

Equity compensation and insider-transactions analyst

Director receives 3,428 Nano Nuclear shares from RSU vesting, a routine equity award.

Director Yu Kenny Joe Yung had 3,428 Restricted Stock Units, granted on June 3, 2025 under the 2025 Equity Incentive Plan, vest and settle into the same number of common shares on June 3, 2026. The Form 4 classifies this as an exercise or conversion of a derivative security, not a market trade.

The award used a value of $29.18 per RSU, equal to the Nasdaq closing price on the 2025 grant date. Following settlement, Yung directly holds 18,428 common shares and 2,968 remaining RSUs, indicating he retains a continuing equity stake. With no open-market buys or sells reported, this filing shows standard compensation-driven share issuance.

Insider Trade Summary

3,428 shares exercised/converted

Exercise 2 txns

Insider Yu Kenny Joe Yung

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	3,428	$0.00	$0.00
Exercise	Common Stock	3,428	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 2,968 contracts (Direct); Common Stock — 18,428 shares (Direct)

Footnotes (1)

1. 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.

Key Figures

RSUs vested and settled: 3,428 shares Common shares held after transaction: 18,428 shares Remaining RSU balance: 2,968 RSUs +3 more

6 metrics

RSUs vested and settled 3,428 shares Common stock issued from RSUs on June 3, 2026

Common shares held after transaction 18,428 shares Director’s direct common stock holdings after vesting

Remaining RSU balance 2,968 RSUs Restricted Stock Units remaining after 3,428 vested

Grant-date RSU value $29.18 per RSU Closing price on June 3, 2025 used for RSU grant

Exercise/vesting date June 3, 2026 Date RSUs vested and settled into common shares

RSU grant date June 3, 2025 Date RSUs were granted under 2025 Equity Incentive Plan

Key Terms

Restricted Stock Units, 2025 Equity Incentive Plan, vesting and settlement, Exercise or conversion of derivative security

4 terms

Restricted Stock Units financial

"Represents shares of common stock issued upon the vesting and settlement of certain Restricted Stock Units ("RSUs")"

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

"RSUs granted on June 3, 2025 under the Issuer's 2025 Equity Incentive Plan"

vesting and settlement financial

"shares of common stock issued upon the vesting and settlement of certain Restricted Stock Units"

Exercise or conversion of derivative security financial

"transaction_code_description: Exercise or conversion of derivative security"

FAQ

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

What did Nano Nuclear Energy (NNE) director Yu Kenny Joe Yung report in this Form 4?

Director Yu Kenny Joe Yung reported the vesting and settlement of 3,428 Restricted Stock Units into 3,428 shares of Nano Nuclear common stock. This reflects scheduled equity compensation under the company’s 2025 Equity Incentive Plan, rather than an open-market stock purchase or sale.

How many Nano Nuclear (NNE) shares did the director acquire and how?

He acquired 3,428 shares of Nano Nuclear common stock through vesting of previously granted Restricted Stock Units. On June 3, 2026, those RSUs settled into common shares at no cash exercise price, representing routine equity compensation instead of a market transaction with outside investors.

What is the value per RSU referenced in the Nano Nuclear (NNE) Form 4?

The RSUs are based on a value of $29.18 per unit, equal to Nano Nuclear’s Nasdaq closing price on June 3, 2025. That price set the grant-date value for the 3,428 RSUs awarded under the company’s 2025 Equity Incentive Plan to the director.

What are director Yu Kenny Joe Yung’s holdings after this Nano Nuclear (NNE) transaction?

After the RSU vesting, he directly holds 18,428 shares of Nano Nuclear common stock and 2,968 remaining RSUs. This indicates a continuing equity interest tied partly to time-based compensation awards rather than short-term trading decisions in the open market.

Was there any open-market buying or selling in this Nano Nuclear (NNE) Form 4?

No, the Form 4 does not show any open-market buys or sells. It reports an exercise or conversion of derivative securities, where 3,428 Restricted Stock Units vested and settled into common shares as part of the director’s equity compensation package with the company.

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

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Accepted by SEC EDGAR 06/05/2026 - 05:28 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).

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 Kenny Joe Yung

(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
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/03/2026

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
Common Stock	06/03/2026		M(1)		3,428	A	$0	18,428	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
Restricted Stock Units	$0	06/03/2026		M			3,428	(1)	(1)	Common Stock	3,428	$0	2,968	D

Explanation of Responses:

1. 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.

	/s/ Kenny Joe Yung Yu	06/05/2026
	** 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)