STOCK TITAN

10% holder I Financial sells 700k Nano Nuclear (NNE) shares under 10b5-1

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

Rhea-AI Filing Summary

I Financial Ventures Group LLC, a 10% owner of Nano Nuclear Energy Inc., reported a mix of option exercise and share sales. On June 3, 2026, it sold a net 700,000 shares of common stock in multiple open-market trades and exercised 200,000 stock options at $3 per share to acquire the same number of shares. The filing notes the sales were carried out under a Rule 10b5-1 trading plan, indicating they were pre-scheduled rather than timed opportunistically.

Positive

  • None.

Negative

  • None.

Insights

10% holder pre-planned sales total 700,000 shares alongside option exercise.

I Financial Ventures Group LLC, a significant shareholder of Nano Nuclear Energy Inc., reported open-market sales totaling 700,000 common shares on June 3, 2026. Sale prices ranged from about $25.70 to $29.91, according to weighted-average trade disclosures.

The entity also exercised 200,000 stock options at an exercise price of $3 per share, converting a derivative position into common stock before the options’ stated June 7, 2026 expiry. The filing’s summary shows a net-sell position of 700,000 shares for the day.

A key detail is that these sales occurred under a Rule 10b5-1 trading plan adopted in September 2025. Such plans are established in advance, so the timing of individual trades is less informative about the holder’s short-term view than a fully discretionary transaction. Subsequent company filings may provide added context on overall ownership levels.

Insider I Financial Ventures Group LLC
Role null
Sold 700,000 shs ($18.67M)
Type Security Shares Price Value
Exercise Stock Options 200,000 $0.00 --
Sale Common Stock 312,553 $26.2987 $8.22M
Sale Common Stock 168,626 $27.1617 $4.58M
Sale Common Stock 10,035 $27.8327 $279K
Sale Common Stock 3,571 $28.9772 $103K
Sale Common Stock 5,215 $29.91 $156K
Exercise Common Stock 200,000 $3.00 $600K
Sale Common Stock 125,021 $26.2987 $3.29M
Sale Common Stock 67,451 $27.1617 $1.83M
Sale Common Stock 4,014 $27.8327 $112K
Sale Common Stock 1,429 $28.9772 $41K
Sale Common Stock 2,085 $29.91 $62K
Holdings After Transaction: Stock Options — 0 shares (Direct, null); Common Stock — 8,411,447 shares (Direct, null)
Footnotes (1)
  1. This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person through I Financial, in September 2025, and was executed in the account of I Financial. Represents shares of common stock issued upon exercise of certain options originally granted to the reporting person through I Financial (as defined below) at the exercise price of $3 per share, which were fully vested and exercisable on June 7, 2023, with expiry on June 7, 2026. On June 3, 2026, such options were exercised. 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. This transaction was executed in multiple trades during the day at prices ranging from $25.7000 to $26.6900. 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. This transaction was executed in multiple trades during the day at prices ranging from $26.7000 to $27.6900. 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. This transaction was executed in multiple trades during the day at prices ranging from $27.7200 to $28.3500. 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. This transaction was executed in multiple trades during the day at prices ranging from $28.7700 to $29.0500. 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. This transaction was executed at a price of $29.9100. 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. This transaction was executed in multiple trades during the day at prices ranging from $25.7000 to $26.6900. 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. This transaction was executed in multiple trades during the day at prices ranging from $26.7000 to $27.6900. 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. This transaction was executed in multiple trades during the day at prices ranging from $27.7200 to $28.3500. 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. This transaction was executed in multiple trades during the day at prices ranging from $28.7700 to $29.0500. 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. This transaction was executed at a price of $29.9100. 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 700,000 shares Total open-market sales on June 3, 2026
Options exercised 200,000 shares Common stock acquired via option exercise on June 3, 2026
Option exercise price $3 per share Strike price for 200,000 stock options
Sale price range (low) $25.70 per share Lowest trade price range disclosed in footnotes
Sale price range (high) $29.91 per share Highest trade price reported for June 3, 2026
Net share direction Net-sell of 700,000 shares transactionSummary netBuySellShares and netBuySellDirection
Rule 10b5-1 trading plan regulatory
"This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person..."
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.
stock options financial
"Represents shares of common stock issued upon exercise of certain options originally granted..."
Stock options are agreements that give a person the right to buy or sell a company's stock at a specific price within a certain time frame. They are often used as a reward or incentive, similar to a coupon that can be used later if the stock price rises, allowing the holder to make a profit.
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.
weighted-average price financial
"The weighted-average price is reported above."
open market or private transaction financial
"Sale in open market or private transaction"
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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*
I Financial Ventures Group LLC

(Last)(First)(Middle)
C/O 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)
DirectorX10% 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)
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 Stock06/03/2026S(1)312,553D$26.2987(3)8,411,447D
Common Stock06/03/2026S(1)168,626D$27.1617(4)8,242,821D
Common Stock06/03/2026S(1)10,035D$27.8327(5)8,232,786D
Common Stock06/03/2026S(1)3,571D$28.9772(6)8,229,215D
Common Stock06/03/2026S(1)5,215D$29.91(7)8,224,000D
Common Stock06/03/2026M(2)200,000A$3(2)8,424,000D
Common Stock06/03/2026S(1)125,021D$26.2987(8)8,298,979D
Common Stock06/03/2026S(1)67,451D$27.1617(9)8,231,528D
Common Stock06/03/2026S(1)4,014D$27.8327(10)8,227,514D
Common Stock06/03/2026S(1)1,429D$28.9772(11)8,226,085D
Common Stock06/03/2026S(1)2,085D$29.91(12)8,224,000D
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
Stock Options(2)$306/03/2026M200,000(2) (2) (2)Common Stock200,000$00D
Explanation of Responses:
1. This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person through I Financial, in September 2025, and was executed in the account of I Financial.
2. Represents shares of common stock issued upon exercise of certain options originally granted to the reporting person through I Financial (as defined below) at the exercise price of $3 per share, which were fully vested and exercisable on June 7, 2023, with expiry on June 7, 2026. On June 3, 2026, such options were exercised. 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.
3. This transaction was executed in multiple trades during the day at prices ranging from $25.7000 to $26.6900. 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.
4. This transaction was executed in multiple trades during the day at prices ranging from $26.7000 to $27.6900. 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.
5. This transaction was executed in multiple trades during the day at prices ranging from $27.7200 to $28.3500. 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.
6. This transaction was executed in multiple trades during the day at prices ranging from $28.7700 to $29.0500. 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.
7. This transaction was executed at a price of $29.9100. 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.
8. This transaction was executed in multiple trades during the day at prices ranging from $25.7000 to $26.6900. 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.
9. This transaction was executed in multiple trades during the day at prices ranging from $26.7000 to $27.6900. 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.
10. This transaction was executed in multiple trades during the day at prices ranging from $27.7200 to $28.3500. 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.
11. This transaction was executed in multiple trades during the day at prices ranging from $28.7700 to $29.0500. 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.
12. This transaction was executed at a price of $29.9100. 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 Yu, Sole Shareholder and Director of I Financial Ventures Group LLC06/05/2026
** 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)

FAQ

What insider transactions did I Financial Ventures Group LLC report for Nano Nuclear Energy (NNE)?

I Financial Ventures Group LLC reported open-market sales of Nano Nuclear Energy common stock totaling 700,000 shares on June 3, 2026, plus the exercise of 200,000 stock options at $3 per share, converting those options into common shares the same day.

At what prices did I Financial sell Nano Nuclear Energy (NNE) shares in this Form 4?

The sales occurred in multiple trades with weighted-average prices ranging from about $25.70 to $29.91 per share. Footnotes explain that detailed breakdowns of individual trades and prices are available to the SEC staff, the issuer, or its security holders upon request.

How many Nano Nuclear Energy (NNE) stock options did I Financial exercise and at what strike price?

I Financial Ventures Group LLC exercised 200,000 stock options for Nano Nuclear Energy common stock at an exercise price of $3 per share. The options were fully vested and exercisable since June 7, 2023, and were exercised on June 3, 2026, before their June 7, 2026 expiry.

Were the Nano Nuclear Energy (NNE) insider sales by I Financial pre-planned under Rule 10b5-1?

Yes. A footnote states the transactions were effected under a Rule 10b5-1 trading plan adopted by the reporting person through I Financial in September 2025. Such plans pre-schedule trades, so daily execution timing is less indicative of changing sentiment than discretionary trades.

What is the net effect of I Financial’s June 3, 2026 transactions in Nano Nuclear Energy (NNE) shares?

For June 3, 2026, the filing’s summary shows a net-sell position of 700,000 shares of Nano Nuclear Energy common stock, alongside the exercise of 200,000 options. Overall, this reflects substantial sales with simultaneous conversion of a derivative position into common shares.

Who ultimately controls the Nano Nuclear Energy (NNE) shares held by I Financial Ventures Group LLC?

A footnote explains the reporting person is the sole shareholder and director of I Financial Ventures Group LLC, the record holder of the reported securities. As a result, the reporting person has investment control and may be deemed the beneficial owner of Nano Nuclear Energy shares held by I Financial.