Nano Nuclear Energy Inc.

Last updated September 27, 2026

Organization details

Legal name
Nano Nuclear Energy Inc.
Ownership
Public
Status
Active
Sector (GICS)
Utilities
SIC code
4911 — Electric Services
Jurisdiction of incorporation
Nevada
Headquarters city
New York
Headquarters state / province
New York
Headquarters country
United States
Fiscal year end
September
Ticker symbol
NNE
Primary stock exchange
Nasdaq

Identifiers

SEC CIK
0001923891

Board of directors

Chief executives

James John Walker · Chief Executive Officer
Since May 2024

Director election results

Annual meeting of September 17, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months
$0
0 purchases by 0 insiders
Sold, last 12 months
$177,986,783
102 sales by 9 insiders
Date Insider Transaction Shares Price Value
Sep 3, 2026 James John Walker Director, Officer (Chief Executive Officer) Open-market sale −25,000 $17.77 $444,250
Sep 2, 2026 Jiang Yu Director, Officer (President and Chairman), 10% owner Open-market sale −141,931 $17.48 $2,480,954
Sep 1, 2026 James John Walker Director, Officer (Chief Executive Officer) Open-market sale −25,000 $17.44 $436,000
Sep 1, 2026 Jiang Yu Director, Officer (President and Chairman), 10% owner Open-market sale −332,569 $17.45 $5,803,329
Jun 5, 2026 Heidet Florent Officer (Chief Technology Officer) Open-market sale −3,000 $24.95 $74,850
Jun 5, 2026 Seth Jason Berl Director Open-market sale −3,750 $24.92 $93,450
Jun 3, 2026 Tsun Yee Law Director Option exercise +3,428 — —
Jun 3, 2026 Diane Elizabeth Hare Director Option exercise +3,428 — —
Jun 3, 2026 James John Walker Director, Officer (Chief Executive Officer) Option exercise +70,000 $3.00 $210,000
Jun 3, 2026 Jiang Yu Director, Officer (President and Chairman), 10% owner Open-market sale −312,553 $26.30 $8,220,144
Jun 3, 2026 Heidet Florent Officer (Chief Technology Officer) Option exercise +9,185 — —
Jun 3, 2026 Garcha Jaisun Officer (Chief Financial Officer) Option exercise +20,000 $3.00 $60,000
Jun 3, 2026 I Financial Ventures Group LLC 10% owner Open-market sale −312,553 $26.30 $8,220,144
Jun 3, 2026 Kenny Joe Yung Yu Director Option exercise +3,428 — —
Jun 3, 2026 Seth Jason Berl Director Option exercise −7,500 — —

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Questions about Nano Nuclear Energy Inc.

Who is the CEO of Nano Nuclear Energy Inc.?

James John Walker has been Nano Nuclear Energy Inc.'s Chief Executive Officer since May 2024.

How many directors are on Nano Nuclear Energy Inc.'s board?

Nano Nuclear Energy Inc.'s board has 6 directors: Diane Elizabeth Hare, James John Walker, Jiang Yu, Kenny Joe Yung Yu, Seth Jason Berl and Tsun Yee Law.

Are Nano Nuclear Energy Inc. insiders buying or selling shares?

Over the last 12 months, Nano Nuclear Energy Inc. insiders made no open-market purchases and sold $178.0 million of shares in 102 sales on the open market, as reported to the SEC on Forms 4 and 5.

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