Transaction · 0001493152-26-040231

Walker James John

Walker James John, CEO, reported a transaction classified as exercise at Nano Nuclear Energy Inc. involving 200000.000000 shares for an estimated $0.00. Reported holdings after the transaction were 300000.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

exerciseSEC transaction code MCEO
NNENano Nuclear Energy Inc.
Filing timeAug 26
Trade dateJun 03, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
Pre-filing
Returns since

NNE price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
NNE since 2026-08-26Filed 9 days ago · 30 days of pre-filing context shaded
Loading…
Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
exercise
Code M
Identifier
0001493152-26-040231
Stock Options
Transaction date
Jun 03, 2026
Filed Aug 26, 2026, 08:05 PM · 84d delay
Shares
200k sh
$0 per share
Estimated value
$0
Computed from shares × price
Holdings after
300k sh
Direct

Filing warnings

Notes recorded with this filing
2 warnings
amended filingThis transaction comes from an amended Form 4 filing.
delayed filingThe filing was reported 84 calendar days after the transaction date.

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Amended Filing Delayed Filing Derivative Transaction Direct Ownership Large Holdings Reduction
-22score
Filing-only score

-22

Compact filing score computed from stored Form 4 facts. Version v1.

Low filing signal

This filing has a meaningfully negative filing-only score. It is likely less useful as a positive insider-activity signal.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Executive Officer

Officer YesDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    Represents 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 o…

  2. F2

    This number does not reflect subsequent sales of the 123,688 shares of common stock reported in the Form 4 originally filed on June 5, 2026.

  3. F3

    Represents options granted on March 13, 2025 ("Grant Date") under the Issuer's 2023 Stock Option Plan #2 to purchase an aggregate of 300,000 shares of common stock, par value $0.0001 per share of the…

  4. F4

    This Form 4/A is being filed solely to amend the Form 4 originally filed by the reporting person on June 5, 2026 to reflect (i) the 200,000 shares of common stock acquired by such reporting person upo…

Amended filing · 0001493152-26-040231
Related transactions

0 other filings

Same reporting owner
Recent company activity

0 recent txs

NNE