STOCK TITAN

Nano Nuclear (NNE) president sells 745,900 shares and exercises options, RSUs

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

Rhea-AI Filing Summary

Nano Nuclear Energy Inc. President and Chairman Yu Jiang reported a mix of stock sales and equity exercises. On June 3, 2026, entities associated with him sold a total of 745,900 shares of common stock in open-market transactions, including sales by I Financial Ventures Group LLC, under a Rule 10b5-1 trading plan adopted in September 2025.

On the same date, Jiang exercised derivatives to acquire 245,900 shares, including 200,000 shares issued upon exercise of stock options with a $3 per share exercise price held through I Financial and 45,900 shares issued upon settlement of Restricted Stock Units granted on June 3, 2025 at a reference value of $29.18 per share. After these transactions, he remains a significant shareholder and insider at the company.

Positive

  • None.

Negative

  • None.

Insights

Large pre-planned insider sales offset by option and RSU exercises, net share reduction.

Yu Jiang reported a sizable net-sell pattern: the data show 745,900 shares of Nano Nuclear Energy common stock sold in open-market trades, partly through I Financial Ventures Group LLC. At the same time, he exercised derivatives for 245,900 shares, combining option exercises and RSU settlements.

The footnotes state these sales were executed under a Rule 10b5-1 trading plan adopted in September 2025, indicating the trades were pre-planned rather than timed discretionarily. Option exercises include 200,000 shares at an exercise price of $3 per share, while 45,900 RSUs were settled from a grant made on June 3, 2025 valued at $29.18 per share.

Because these are compensation-related exercises plus pre-arranged sales by a major insider who still holds a substantial position, the information is best viewed as routine portfolio and liquidity management. The filing itself does not provide benchmarks to judge the transactions as clearly bullish or bearish, so the overall assessment is neutral.

Insider Yu Jiang
Role President and Chairman
Sold 745,900 shs ($19.90M)
Type Security Shares Price Value
Exercise Stock Options 200,000 $0.00 --
Exercise Restricted Stock Units 45,900 $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
Exercise Common Stock 45,900 $0.00 --
Sale Common Stock 30,250 $26.29 $795K
Sale Common Stock 13,050 $27.068 $353K
Sale Common Stock 1,400 $27.83 $39K
Sale Common Stock 500 $28.89 $14K
Sale Common Stock 700 $29.91 $21K
Holdings After Transaction: Stock Options — 300,000 shares (Indirect, By I Financial Ventures Group LLC); Restricted Stock Units — 275,778 shares (Direct, null); Common Stock — 8,411,447 shares (Indirect, By I Financial Ventures Group LLC); Common Stock — 8,269,900 shares (Direct, null)
Footnotes (1)
  1. This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025. 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. Represents shares of common stock issued upon the settlement of Restricted Stock Units ("RSUs") granted on June 3, 2025 under the Issuer's 2025 Equity Incentive Plan based on a value per share of $29.18, the closing price of the Issuer's common stock as reported on The Nasdaq Capital Market on June 3, 2025. On June 3, 2026, one third (1/3) of such RSUs were vested and settled. 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. 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 $27.6400. 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 $27.7000 to $28.5000. 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 $28.9200. 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 745,900 shares Total Nano Nuclear common stock sold in reported transactions
Shares from exercises 245,900 shares Total shares acquired via derivative exercises and RSU settlement
Option exercise price $3 per share Stock options exercised through I Financial Ventures Group LLC
RSU reference value $29.18 per share Closing price used for RSUs granted June 3, 2025
Rule 10b5-1 plan adoption September 2025 Date the trading plan governing these sales was adopted
RSUs settled 45,900 shares Shares issued upon settlement of RSUs on June 3, 2026
Options exercised 200,000 shares Shares issued from option exercise via I Financial
Rule 10b5-1 trading plan regulatory
"This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025."
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.
Restricted Stock Units financial
"Represents shares of common stock issued upon the settlement of Restricted Stock Units ("RSUs") granted on June 3, 2025 under the Issuer's 2025 Equity Incentive Plan"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
2025 Equity Incentive Plan financial
"RSUs granted on June 3, 2025 under the Issuer's 2025 Equity Incentive Plan based on a value per share of $29.18"
beneficial owner regulatory
"The reporting person ... has investment control over the securities of the issuer held by I Financial and 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
"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."
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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)
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)312,553(1)D$26.2987(4)8,411,447IBy I Financial Ventures Group LLC(2)
Common Stock06/03/2026S(1)168,626(1)D$27.1617(5)8,242,821IBy I Financial Ventures Group LLC(2)
Common Stock06/03/2026S(1)10,035(1)D$27.8327(6)8,232,786IBy I Financial Ventures Group LLC(2)
Common Stock06/03/2026S(1)3,571(1)D$28.9772(7)8,229,215IBy I Financial Ventures Group LLC(2)
Common Stock06/03/2026S(1)5,215(1)D$29.91(8)8,224,000IBy I Financial Ventures Group LLC(2)
Common Stock06/03/2026M(2)200,000A$3(2)8,424,000IBy I Financial Ventures Group LLC(2)
Common Stock06/03/2026S(1)125,021D$26.2987(9)8,298,979IBy I Financial Ventures Group LLC(2)
Common Stock06/03/2026S(1)67,451D$27.1617(10)8,231,528IBy I Financial Ventures Group LLC(2)
Common Stock06/03/2026S(1)4,014D$27.8327(11)8,227,514IBy I Financial Ventures Group LLC(2)
Common Stock06/03/2026S(1)1,429D$28.9772(12)8,226,085IBy I Financial Ventures Group LLC(2)
Common Stock06/03/2026S(1)2,085D$29.91(13)8,224,000IBy I Financial Ventures Group LLC(2)
Common Stock06/03/2026M(3)45,900A$08,269,900D
Common Stock06/03/2026S(1)30,250D$26.29(14)8,239,650D
Common Stock06/03/2026S(1)13,050D$27.068(15)8,226,600D
Common Stock06/03/2026S(1)1,400D$27.83(16)8,225,200D
Common Stock06/03/2026S(1)500D$28.89(17)8,224,700D
Common Stock06/03/2026S(1)700D$29.91(18)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 Stock20,000$0300,000IBy I Financial Ventures Group LLC(2)
Restricted Stock Units(3)$006/03/2026M45,900(3) (3) (3)Common Stock45,900$0275,778D
Explanation of Responses:
1. This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025.
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. Represents shares of common stock issued upon the settlement of Restricted Stock Units ("RSUs") granted on June 3, 2025 under the Issuer's 2025 Equity Incentive Plan based on a value per share of $29.18, the closing price of the Issuer's common stock as reported on The Nasdaq Capital Market on June 3, 2025. On June 3, 2026, one third (1/3) of such RSUs were vested and settled.
4. 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.
5. 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.
6. 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.
7. 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.
8. 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.
9. 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.
10. 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.
11. 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.
12. 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.
13. 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.
14. 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.
15. This transaction was executed in multiple trades during the day at prices ranging from $26.7000 to $27.6400. 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.
16. This transaction was executed in multiple trades during the day at prices ranging from $27.7000 to $28.5000. 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.
17. This transaction was executed in multiple trades during the day at prices ranging from $28.7700 to $28.9200. 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.
18. 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 Yu06/05/2026
** 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 did Yu Jiang report in this Nano Nuclear Energy (NNE) Form 4?

Yu Jiang reported both stock sales and equity exercises. He sold a total of 745,900 Nano Nuclear Energy common shares and exercised derivatives for 245,900 shares, including options and RSUs, all dated June 3, 2026.

How many Nano Nuclear Energy (NNE) shares did Yu Jiang sell?

The filing shows sales totaling 745,900 shares of Nano Nuclear Energy common stock. These were open-market transactions, some executed through I Financial Ventures Group LLC, at various prices disclosed in the individual transaction entries and footnotes.

Were Yu Jiang’s Nano Nuclear Energy (NNE) sales pre-planned under Rule 10b5-1?

Yes. A footnote states the transactions were effected under a Rule 10b5-1 trading plan adopted in September 2025. Such plans pre-schedule trades, indicating the timing was set in advance rather than chosen opportunistically.

What equity awards did Yu Jiang exercise or settle in this NNE Form 4?

Yu Jiang exercised derivatives for 245,900 shares. This includes 200,000 shares from stock options with a $3 exercise price and 45,900 shares issued upon settlement of RSUs granted June 3, 2025 under the company’s 2025 Equity Incentive Plan.

What is I Financial Ventures Group LLC’s role in Yu Jiang’s NNE holdings?

I Financial Ventures Group LLC is the record holder for certain securities. A footnote explains Yu Jiang is its sole shareholder and director and has investment control over Nano Nuclear Energy shares held by I Financial, so he may be deemed their beneficial owner.

At what reference price were Yu Jiang’s Nano Nuclear Energy RSUs valued?

The RSUs settled into 45,900 shares were granted June 3, 2025 based on a value of $29.18 per share. That value reflects the closing price of Nano Nuclear Energy’s common stock on The Nasdaq Capital Market on the grant date.