Nano Nuclear director exercises RSUs, sells shares

Nano Nuclear Energy Inc. director Berl Seth Jason reported an exercise of equity awards followed by a partial share sale.

Rhea-AI Filing Summary

Nano Nuclear Energy Inc. director Berl Seth Jason reported an exercise of equity awards followed by a partial share sale. On June 3, 2026, he exercised 7,500 Restricted Stock Units, receiving the same number of common shares at a stated conversion price of $0.00 per share. On June 5, 2026, he then sold 3,750 common shares in open-market transactions at a weighted-average price of $24.9223 per share, in trades ranging from $24.8000 to $25.0850. After these transactions, he directly holds 7,586 common shares and 2,968 Restricted Stock Units.

Insider Trade Summary

Exercise and sale activity reported; no spread calculated

Exercise and Sale 3 txns

Insider Berl Seth Jason

Role Director

Sold 3,750 shs ($93K)

Approx. gross sale proceeds $93K

Approx. exercise cost $0.00

Type	Security	Shares	Price	Value
Sale	Common Stock	3,750	$24.9223	$93K
Exercise	Restricted Stock Units	7,500	$0.00	$0.00
Exercise	Common Stock	7,500	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 2,968 contracts (Direct); Common Stock — 7,586 shares (Direct)

Footnotes (2)

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 fully vested and settled.
2. F2. This transaction was executed in multiple trades during the day at prices ranging from $24.8000 to $25.0850. 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.

Key Figures

Shares sold: 3,750 shares Sale price: $24.9223 per share Sale price range: $24.8000–$25.0850 per share +4 more

7 metrics

Shares sold 3,750 shares Open-market sale on June 5, 2026

Sale price $24.9223 per share Weighted-average sale price

Sale price range $24.8000–$25.0850 per share Multiple trades on June 5, 2026

RSUs exercised 7,500 units RSUs converted to common stock on June 3, 2026

RSU grant reference value $29.18 per RSU Closing stock price on June 3, 2025 at grant

Shares held after 7,586 shares Common stock directly owned after transactions

RSUs remaining 2,968 units Restricted Stock Units outstanding after exercise

Key Terms

Restricted Stock Units, weighted-average price, Equity Incentive Plan, derivative exercise/conversion, +1 more

5 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.

weighted-average price financial

"This transaction was executed in multiple trades during the day at prices ranging from $24.8000 to $25.0850. The weighted-average price is reported above."

Weighted-average price is the average of multiple prices where each price is counted according to its size or importance—larger trades carry more weight than smaller ones, like averaging course grades by credit hours. It matters to investors because it gives a more realistic picture of the true price paid or received, helping assess trade execution, compare performance, calculate cost basis, and value positions more accurately than a simple average.

Equity Incentive Plan financial

"RSUs granted on June 3, 2025 under the Issuer's 2025 Equity Incentive Plan based on a value per RSU of $29.18"

An equity incentive plan is a program that gives employees, executives or directors the right to receive company stock or options to buy stock as part of their pay. Think of it as offering slices of future company profit to motivate people to boost long‑term performance; for investors it matters because it can align employee goals with shareholder value but also increases the number of shares outstanding, which can dilute existing ownership.

derivative exercise/conversion financial

"transaction_action": "derivative exercise/conversion"

open-market sale financial

"transaction_action": "open-market sale"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

FAQ

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

What insider transactions did Nano Nuclear Energy (NNE) report for Berl Seth Jason?

Nano Nuclear Energy director Berl Seth Jason exercised 7,500 Restricted Stock Units into common shares, then sold 3,750 common shares in open-market trades. Following these transactions, he directly holds 7,586 common shares and 2,968 remaining Restricted Stock Units.

How many Nano Nuclear Energy (NNE) shares did the director sell and at what price?

Berl Seth Jason sold 3,750 Nano Nuclear Energy common shares in open-market trades. The weighted-average sale price was $24.9223 per share, with individual trade prices ranging from $24.8000 to $25.0850 during the trading day.

What equity awards did Nano Nuclear Energy (NNE) director Berl Seth Jason exercise?

He exercised 7,500 Restricted Stock Units granted under Nano Nuclear Energy’s 2025 Equity Incentive Plan. These RSUs, valued at $29.18 per unit when granted, fully vested and settled on June 3, 2026, delivering 7,500 common shares at a stated $0.00 conversion price.

How many Nano Nuclear Energy (NNE) shares does the director hold after the Form 4 transactions?

After the reported transactions, Berl Seth Jason directly owns 7,586 Nano Nuclear Energy common shares. He also holds 2,968 Restricted Stock Units, which represent additional potential common shares upon future vesting or settlement, depending on plan terms.

Were the Nano Nuclear Energy (NNE) insider sales part of a single large block trade?

No. The Form 4 states the sale was executed in multiple trades during the day. Transaction prices ranged between $24.8000 and $25.0850 per share, with a weighted-average sale price of $24.9223 reported for disclosure purposes.

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

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Accepted by SEC EDGAR 06/05/2026 - 05:26 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^*

Berl Seth Jason

(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)		7,500(1)	D	$0(2)	11,336(1)	D
Common Stock	06/05/2026		S(1)		3,750(1)	D	$24.9223(2)	7,586(1)	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(1)	$0	06/03/2026		M			7,500(1)	(1)	(1)	Common Stock	7,500	$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 fully vested and settled.

2. This transaction was executed in multiple trades during the day at prices ranging from $24.8000 to $25.0850. 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.

	/s/ Seth Jason Berl	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)