James John Walker sold $3.2M of Nano Nuclear Energy (NNE)

Executed Jun 3, disclosed Jun 5, 2 days later.

Value, as filed

$3.2M

119,317 sh across 4 lots

Executed

Jun 3

the trade date, as filed

Disclosed

Jun 5

2 days after the trade

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. $6.6M
194,190 sh across 5 lots
Exec Jan 28
Filed Jan 30 · 5:30 PM ET NNESALE Nano Nuclear Energy Inc. $674K
22,459 sh × $30.03
Exec Dec 24 2025
Filed Dec 30 2025 · 5:30 PM ET †