Kenny Joe Yung Yu - 23 Dec 2025 Form 4 Insider Report for Nano Nuclear Energy Inc. (NNE)

Role
Director
Signature
/s/ Kenny Joe Yung Yu
Issuer symbol
NNE
Transactions as of
23 Dec 2025
Net transactions value
-$1,177,206
Form type
4
Filing time
30 Dec 2025, 17:30:31 UTC
Previous filing
17 Nov 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Yu Kenny Joe Yung Director 10 TIMES SQUARE, 30TH FLOOR, NEW YORK /s/ Kenny Joe Yung Yu 30 Dec 2025 0002021805

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NNE Common Stock Options Exercise $90,531 +30,177 +201% $3.00 45,177 23 Dec 2025 Direct F1
transaction NNE Common Stock Sale $973,260 -30,177 -67% $32.25 15,000 23 Dec 2025 Direct F2, F3
transaction NNE Common Stock Options Exercise $29,469 +9,823 +65% $3.00 24,823 23 Dec 2025 Direct F1
transaction NNE Common Stock Sale $323,947 -9,823 -40% $32.98 15,000 23 Dec 2025 Direct F2, F4

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction NNE Stock Options Options Exercise $0 -40,000 -89% $0.000000 5,000 23 Dec 2025 Common Stock 40,000 $3.00 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.

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).

Explanation of Responses:

Id Content
F1 Represents the number of shares of common stock issued upon exercise of certain options originally granted to the reporting person at the exercise price of $3.00 per share, which were fully vested and exercisable on June 7, 2023, with expiry on June 7, 2026. On December 23, 2025, such options were exercised.
F2 This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025.
F3 This transaction was executed in multiple trades during the day at prices ranging from $31.7400 to $32.7300. 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.
F4 This transaction was executed in multiple trades during the day at prices ranging from $32.7400 to $33.5000. 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.