Insider filing · NNE
James John Walker sold $674K of Nano Nuclear Energy (NNE)
Executed Dec 24 2025, disclosed Dec 30 2025, 6 days later, against a two-business-day limit.
Value, as filed
$674K
22,459 sh × $30.03
Executed
Dec 24 2025
the trade date, as filed
Disclosed
Dec 30 2025
6 days after the trade · past the deadline
Return, 21 sessionsiFrom the disclosed entry session; derived
–
purchases only
Returns are measured on stock purchases only.
The filer
JW
James John Walker
Chief Executive Officer
profile →
James John Walker (Chief Executive Officer) filed 3 Form 4 reports in the trailing twelve months (0 purchases, 3 sales, 1 filed past the two-business-day deadline), most often in NNE. The largest single filing was $6.6M of NNE (194,190 sh across 5 lots, as filed), executed Jan 28.
The name
NNE
NNE
NNE · 16 filings in 24 months
ticker →
Insider filings, newest first→
View the original filing at www.sec.gov→
Other filings by James John Walker in NNE
NNESALE
Nano Nuclear Energy Inc.
$3.2M119,317 sh across 4 lots
Exec Jun 3
Filed Jun 5 · 5:30 PM ET NNESALE Nano Nuclear Energy Inc. $6.6M
194,190 sh across 5 lots
Exec Jan 28
Filed Jan 30 · 5:30 PM ET