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Nano Nuclear insider sells 474K shares in high-$17 range

Nano Nuclear Energy’s president and chairman reported 10b5-1 plan-driven indirect sales totaling 474,500 NNE shares over two days.

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Nano Nuclear Energy Inc. (NNE) director, officer and ten percent owner Yu Jiang reported two indirect open-market sales of Common Stock held through I Financial Ventures Group LLC under a Rule 10b5-1 trading plan. On September 1 and 2, 2026, the entity sold an aggregate of 474,500 shares at weighted-average prices in the high-$17 range, with Jiang deemed the beneficial owner through his control of I Financial.

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Insider Yu Jiang
Role President and Chairman
Sold 474,500 shs ($8.28M)
Type Security Shares Price Value
Sale Common Stock F1, F3 141,931 $17.4849 $2.48M
Sale Common Stock F1, F2 332,569 $17.4454 $5.80M
Holdings After Transaction: Common Stock — 7,749,500 shares (Indirect, By I Financial Ventures Group LLC)
Footnotes (3)
  1. F1. The transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025. The reporting person is the sole shareholder and director of I Financial Ventures Group LLC ("I Financial"), a limited liability company incorporated under the laws of Delaware, which is the record holder of the securities reported herein. The reporting person, as such, has investment control over the securities of the issuer held by I Financial and may be deemed the beneficial owner of such securities.
  2. F2. This transaction was executed in multiple trades during the day at prices ranging from $17.0500 to $17.6100. 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.
  3. F3. This transaction was executed in multiple trades during the day at prices ranging from $17.1700 to $17.7600. 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.
Shares sold September 1, 2026 332,569 shares Indirect sale of Nano Nuclear Energy Common Stock by I Financial Ventures Group LLC
Weighted-average price September 1, 2026 $17.4454 per share Executed in multiple trades ranging from $17.0500 to $17.6100
Shares sold September 2, 2026 141,931 shares Indirect sale of Nano Nuclear Energy Common Stock by I Financial Ventures Group LLC
Weighted-average price September 2, 2026 $17.4849 per share Executed in multiple trades ranging from $17.1700 to $17.7600
Total shares sold 474,500 shares Aggregate of both reported sales on September 1 and 2, 2026
Rule 10b5-1 plan adoption September 2025 Plan under which the reported transactions were effected
Rule 10b5-1 trading plan regulatory
"The transactions were effected pursuant to a Rule 10b5-1 trading plan adopted"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
weighted-average price financial
"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.
beneficial owner regulatory
"may be deemed the beneficial owner of such securities."
A beneficial owner is the person who ultimately owns or controls a financial asset or property, even if their name isn't directly on official documents. Think of it like someone who secretly holds the keys to a safe deposit box—others may appear to have access, but the true owner is the one who benefits from what's inside. Identifying beneficial owners helps ensure transparency and prevent illegal activities like money laundering or fraud.
indirect ownership financial
"The reporting person is the sole shareholder and director of I Financial"
open market or private transaction financial
"Sale in open market or private transaction"

FAQ

What insider transaction did Nano Nuclear Energy (NNE) report for Yu Jiang?
Yu Jiang, a director, President and Chairman, and ten percent owner, reported two indirect sales of Nano Nuclear Energy Common Stock through I Financial Ventures Group LLC on September 1 and 2, 2026, totaling 474,500 shares sold in open-market or private transactions.

How many Nano Nuclear Energy (NNE) shares were sold in each transaction?
On September 1, 2026, I Financial Ventures Group LLC sold 332,569 shares of Nano Nuclear Energy Common Stock. On September 2, 2026, it sold an additional 141,931 shares, for total sales of 474,500 shares reported on this Form 4.

What prices were received for the NNE shares sold by Yu Jiang’s affiliated entity?
The September 1, 2026 sale had a weighted-average price of $17.4454 per share, with trades ranging from $17.0500 to $17.6100. The September 2, 2026 sale had a weighted-average price of $17.4849, with trades ranging from $17.1700 to $17.7600.

Were the NNE insider sales made under a Rule 10b5-1 trading plan?
Yes. The filing states the transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by Yu Jiang in September 2025, and the plan-status checkbox is affirmed, indicating the sales followed a pre-established trading arrangement.

Does Yu Jiang hold Nano Nuclear Energy (NNE) shares directly or indirectly?
The reported transactions involve indirect ownership. The shares were held by I Financial Ventures Group LLC, a Delaware limited liability company of which Yu Jiang is the sole shareholder and director. He is described as having investment control and may be deemed the beneficial owner.

Is the exact distribution of trade prices for the NNE sales available?
The Form 4 reports weighted-average prices and price ranges for each day’s trades. It also states that Yu Jiang will provide, upon request, full information on the number of shares and specific prices at which the transactions were effected to SEC staff, the issuer, or a security holder.

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SEC Form 4
FORM 4UNITED 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).
X
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 Jiang
(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)
XDirectorX10% Owner
XOfficer (give title below)Other (specify below)
President and Chairman
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
09/01/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock09/01/2026S(1)332,569(1)D$17.4454(2)7,891,431IBy I Financial Ventures Group LLC(1)
Common Stock09/02/2026S(1)141,931(1)D$17.4849(3)7,749,500IBy I Financial Ventures Group LLC(1)
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. The transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025. The reporting person is the sole shareholder and director of I Financial Ventures Group LLC ("I Financial"), a limited liability company incorporated under the laws of Delaware, which is the record holder of the securities reported herein. The reporting person, as such, has investment control over the securities of the issuer held by I Financial and may be deemed the beneficial owner of such securities.
2. This transaction was executed in multiple trades during the day at prices ranging from $17.0500 to $17.6100. 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.
3. This transaction was executed in multiple trades during the day at prices ranging from $17.1700 to $17.7600. 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/ Jiang Yu09/03/2026
** Signature of Reporting PersonDate
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)

Source: View Original Filing on SEC EDGAR