Form 144: 3,750 Restricted Shares Proposed for Sale

The issuer filed a Form 144 notice for the proposed sale of 3,750 shares of Common Stock, described as Restricted Stock Vesting Under a Registered Plan.

Rhea-AI Filing Summary

The issuer filed a Form 144 notice for the proposed sale of 3,750 shares of Common Stock, described as Restricted Stock Vesting Under a Registered Plan. The filing lists an event date of 06/03/2026 and identifies the market as NASDAQ.

Insights

Equity Transactions Analyst

Notice of a proposed sale of vested restricted shares (routine disclosure).

This Form 144 records a planned disposition of 3,750 shares arising from restricted stock vesting under a registered plan on 06/03/2026. The filing lists the market as NASDAQ.

The cash‑flow treatment and whether sales have occurred are not stated here; subsequent transaction filings (e.g., Form 4) would show actual sales and resulting holdings.

Key Figures

Shares to be sold: 3,750 shares Event date: 06/03/2026 Market listed: NASDAQ +2 more

5 metrics

Shares to be sold 3,750 shares Securities To Be Sold; Restricted Stock Vesting Under a Registered Plan

Event date 06/03/2026 Restricted stock vesting date listed in filing

Market listed NASDAQ Market identified for the proposed sale

Listed numeric field 93458.63 Numeric value appearing in issuer information table

Additional numeric field 52083294 Numeric value appearing in issuer information table

Key Terms

Restricted Stock Vesting, Registered Plan, Form 144

3 terms

Restricted Stock Vesting financial

"Restricted Stock Vesting Under a Registered Plan"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Registered Plan regulatory

"Restricted Stock Vesting Under a Registered Plan"

A registered plan is a savings or investment account that a government recognizes for special tax treatment and rules, such as limits on how much you can put in and conditions for withdrawals. For investors it matters because those rules change how much of your gains are taxed, how quickly your money can be accessed and what strategies make sense — like a labeled jar that gives tax breaks but comes with rules about when and how you can take the money out.

Form 144 regulatory

"The issuer filed a Form 144 notice"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

FAQ

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

What does NNE's Form 144 report?

The filing reports a proposed sale of 3,750 shares described as restricted stock vesting under a registered plan on 06/03/2026. It lists the trading venue as NASDAQ and identifies the sale event type as compensation.

Does this Form 144 confirm the shares were sold?

No. The Form 144 is a notice of proposed sale; it does not confirm completion. It lists the proposed sale quantity 3,750 shares. Completion and actual sale details would appear in subsequent transaction filings.

What is the source of the shares listed on the Form 144?

The shares are described as Restricted Stock Vesting Under a Registered Plan, indicating they arise from compensation-related vesting on 06/03/2026. The filing links the disposition to compensation.

Which market is identified for the proposed sale?

The filing lists the market as NASDAQ. The Form 144 does not specify how or when trades will be executed beyond the proposed sale notice.

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

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Accepted by SEC EDGAR 06/05/2026 - 04:15 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0002074226
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	NANO NUCLEAR ENERGY INC.
SEC File Number	001-42044
Address of Issuer	10 TIMES SQUARE 30TH FLOOR NEW YORK NEW YORK 10018
Phone	2126349206
Name of Person for Whose Account the Securities are To Be Sold	SETH BERL
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	3750	93458.63	52083294	06/05/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	06/03/2026	Restricted Stock Vesting Under a Registered Plan	Issuer			3750	06/03/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	06/05/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Seth Jason Berl
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)