NNE Form 144: 3,000 Shares from RSU Vesting

NNE-related Form 144 notice: 3,000 shares of Common Stock tied to restricted stock vesting are listed for sale.

Rhea-AI Filing Summary

NNE-related Form 144 notice: 3,000 shares of Common Stock tied to restricted stock vesting are listed for sale. The filing shows the securities were recorded as vesting under a registered plan on 06/03/2026 and the broker listed is Morgan Stanley Smith Barney LLC.

The record includes a Nasdaq listing and the form header date 06/05/2026. The transaction is described as compensation-related (restricted stock vesting) and the filer is shown as the broker handling the proposed sale.

Insights

Securities Counsel

Routine Form 144 notice for vested restricted shares; procedural disclosure only.

The Form 144 excerpt lists 3,000 shares of Common Stock tied to a restricted stock vesting under a registered plan with a vesting date of 06/03/2026. The broker appears as Morgan Stanley Smith Barney LLC, and the exchange is Nasdaq.

The filing is a regulatory notice of a proposed sale; timing and cash‑flow treatment beyond the listed dates are not provided in the excerpt. Subsequent transaction details would appear in resale reports or broker confirmations.

Key Figures

Shares listed: 3,000 shares Vesting date: 06/03/2026 Form header date: 06/05/2026 +1 more

4 metrics

Shares listed 3,000 shares restricted stock vesting under a registered plan

Vesting date 06/03/2026 date securities vested under the registered plan

Form header date 06/05/2026 date shown near filer information

Exchange Nasdaq market listed on the excerpt

Key Terms

Form 144, Restricted Stock Vesting, Registered Plan

3 terms

Form 144 regulatory

"144: Securities To Be Sold"

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.

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.

FAQ

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

What does the Form 144 filed for NNE report?

It reports a proposed sale of 3,000 shares of Common Stock tied to restricted stock vesting. The excerpt lists a vesting date of 06/03/2026 and a form header date of 06/05/2026, with Nasdaq as the exchange.

Who is listed as the broker on the NNE Form 144?

The broker is listed as Morgan Stanley Smith Barney LLC. The filing shows the broker's address and identifies it as the filer handling the proposed resale of the vested shares.

Are these shares described as compensation or an open‑market sale?

The filing describes the shares as arising from restricted stock vesting under a registered plan and labels the transaction as Compensation, indicating the source is a compensation vesting event.

What exchange is referenced for the proposed sale in the Form 144?

The excerpt references Nasdaq as the market for the securities. No execution details or sale proceeds are provided in the excerpt.

Does the Form 144 excerpt show the sale was completed?

No. The excerpt is a notice of proposed sale and lists dates and quantities; it does not show trade execution or settlement details in the provided text.

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

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Accepted by SEC EDGAR 06/05/2026 - 04:17 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	0002061167
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	FLORENT HEIDET
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	Officer

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	3000	74857.50	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			3000	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/ Florent Heidet
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)