Nano Nuclear 10% holder plans $8.7M stock sale

Rhea-AI Filing Summary

Nano Nuclear Energy Inc. (NNE) received a Rule 144 notice from 10% stockholder I Financial Ventures Group LLC indicating an intention to sell up to 474,500 common shares of NNE through Morgan Stanley Smith Barney LLC. The notice cites an approximate aggregate market value of $8,678,605.00 for these shares and states that 53,698,146 common shares were outstanding as of the approximate sale date of September 1, 2026.

The seller acquired these 474,500 shares in an open market purchase on March 14, 2022 for cash. In the prior three months, disclosures list 10b5-1 sales of 700,000 shares for $18,674,110.00 by I Financial Ventures Group LLC and 45,900 shares for $1,222,854.03 by Jiang Yu.

Key Figures

Shares to be sold under Rule 144: 474,500 shares Aggregate market value of shares to be sold: $8,678,605.00 Shares outstanding: 53,698,146 shares +4 more

7 metrics

Shares to be sold under Rule 144 474,500 shares Common shares of Nano Nuclear Energy Inc. indicated for potential sale by I Financial Ventures Group LLC

Aggregate market value of shares to be sold $8,678,605.00 Value associated with the 474,500 common shares indicated for sale

Shares outstanding 53,698,146 shares Common shares of Nano Nuclear Energy Inc. outstanding as of the approximate sale date of September 1, 2026

10b5-1 sales by I Financial Ventures Group LLC 700,000 shares Common shares sold on June 3, 2026

Proceeds from I Financial Ventures Group LLC 10b5-1 sales $18,674,110.00 Sale proceeds for 700,000 common shares on June 3, 2026

10b5-1 sales by Jiang Yu 45,900 shares Common shares sold on June 3, 2026

Proceeds from Jiang Yu 10b5-1 sales $1,222,854.03 Sale proceeds for 45,900 common shares on June 3, 2026

Key Terms

Rule 144, 10b5-1, Open Market Purchase, 10% Stockholder

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

10b5-1 regulatory

"10b5-1 Sales for I FINANCIAL VENTURES GROUP LLC"

A 10b5-1 plan is a pre-set schedule that lets company insiders buy or sell shares according to written instructions made when they do not possess material, nonpublic information. Think of it as a timed automatic payment for stock trades: it helps insiders avoid accusations of trading on secret information and gives outside investors a clearer signal about whether sales are routine or potentially informative about the company’s prospects.

Open Market Purchase financial

"Common | 03/14/2022 | Open Market Purchase | Issuer"

An open market purchase is when a company buys its own shares on public stock exchanges the same way any investor would, rather than through a private deal. Investors care because these purchases reduce the number of shares available, can boost earnings per share and share price, signal that management thinks the stock is undervalued, and use company cash that might otherwise go to reinvestment or dividends — like a business quietly buying back its own tickets at the box office.

10% Stockholder financial

"10% Stockholder 144: Securities Information"

FAQ

What does the Form 144 notice disclose for Nano Nuclear Energy Inc. (NNE)?

The notice discloses that 10% stockholder I Financial Ventures Group LLC may sell up to 474,500 common shares of Nano Nuclear Energy Inc. under Rule 144, with an indicated aggregate market value of $8,678,605.00 and an approximate sale date of September 1, 2026.

How many Nano Nuclear Energy Inc. (NNE) shares are outstanding according to this notice?

The notice states that 53,698,146 common shares of Nano Nuclear Energy Inc. were outstanding as of the approximate sale date of September 1, 2026; this is reported as a baseline share count, not the amount being sold.

When and how did I Financial Ventures Group LLC acquire the NNE shares being sold?

I Financial Ventures Group LLC acquired the 474,500 Nano Nuclear Energy Inc. common shares on March 14, 2022 through an open market purchase, with the consideration paid in cash.

What 10b5-1 sales of NNE shares are disclosed for I Financial Ventures Group LLC?

The notice lists 10b5-1 sales for I Financial Ventures Group LLC of 700,000 common shares of Nano Nuclear Energy Inc. on June 3, 2026, for total proceeds of $18,674,110.00.

What NNE share sales are disclosed for Jiang Yu in this notice?

The disclosure lists 10b5-1 sales for Jiang Yu of 45,900 common shares of Nano Nuclear Energy Inc. on June 3, 2026, with total sale proceeds of $1,222,854.03.

Through which broker may the NNE shares be sold under this Rule 144 notice?

The common shares of Nano Nuclear Energy Inc. covered by this Rule 144 notice may be sold through Morgan Stanley Smith Barney LLC Executive Financial Services at New York, with the shares listed on NASDAQ.

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

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Available on EDGAR 09/01/2026 - 04:59 PM Accepted by SEC EDGAR 09/01/2026 - 04:59 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	0002011890
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	I FINANCIAL VENTURES GROUP LLC
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	10% Stockholder

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	474500	8678605.00	53698146	09/01/2026	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	03/14/2022	Open Market Purchase	Issuer			474500	03/14/2022	Cash

* 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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
10b5-1 Sales for I FINANCIAL VENTURES GROUP LLC 10 Times Square, 30th Floor New York NY 10018	Common	06/03/2026	700000	18674110.00
10b5-1 Sales for JIANG YU 10 Times Square, 30th Floor New York NY 10018	Common	06/03/2026	45900	1222854.03

144: Remarks and Signature

Remarks
Date of Notice	09/01/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	09/23/2025
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/ Jiang Yu
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)