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NNE

Nano Nuclear Energy (NNE) stock: insider trades, news & valuation

Heavy selling
Close · Oct 9, 2026 $15.34 +0.5% on the day -67.6% over 12 months 52-week range $14.88 – $54.44

Share price and insider trades

NNE closeInsider buyInsider sale
0204060NovDecJan 2026FebMarAprMayJunJulAugSepOctSold $101,456 on 2026-03-02 · Seth Jason BerlSold $168,300 on 2026-06-05 · Florent Heidet, Seth Jason BerlSold $444,250 on 2026-09-03 · James John WalkerSold $574,057 on 2026-01-05 · Diane Elizabeth HareSold $2,480,954 on 2026-09-02 · Jiang YuSold $3,729,763 on 2025-12-23 · Diane Elizabeth Hare, Kenny Joe Yung Yu, Tsun Yee LawSold $6,239,329 on 2026-09-01 · James John Walker, Jiang YuSold $7,713,035 on 2026-01-29 · I Financial Ventures Group Llc, Jiang YuSold $9,539,265 on 2025-12-29 · I Financial Ventures Group Llc, Jiang YuSold $18,959,391 on 2025-12-26 · I Financial Ventures Group Llc, Jiang YuSold $23,567,211 on 2025-12-24 · I Financial Ventures Group Llc, James John Walker, Jiang YuSold $42,924,738 on 2026-06-03 · Diane Elizabeth Hare, I Financial Ventures Group Llc, Jaisun Garcha, James John Walker, Jiang YuSold $61,545,034 on 2026-01-28 · I Financial Ventures Group Llc, Jaisun Garcha, James John Walker, Jiang Yu
Bought, 12 months$0
Sold, 12 months$178M
Insiders buying0
Insiders selling9

Nano Nuclear Energy insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 9 sold $178M of NNE stock on the open market.

NNE insider buying and selling by quarter

Open-market purchases (green, above the line) and sales (red, below), by trade date.

Q4 2025: $55.8M sold (22 trades)Q4 2025Q1 2026: $69.9M sold (32 trades)Q1 2026Q2 2026: $43.1M sold (44 trades)Q2 2026Q3 2026: $9.2M sold (4 trades)Q3 2026Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0—0
Q3 2026—0$9.2M4
Q2 2026—0$43.1M44
Q1 2026—0$69.9M32
Q4 2025—0$55.8M22

Valuation, profit and volume

P/E (trailing)n/aSector median —
Market value— 
Profit margin—Revenue growth —
Volume vs. 50-day1.2×Last 5 sessions
Insiders' paper profit—On all tracked purchases —

Summary

Over the past 12 months, 0 Nano Nuclear Energy Inc. insiders reported open-market purchases totaling $0, while 9 insiders reported sales totaling $178M. 99 of 102 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
Sep 3SEC Jiang YuPresident, Chair Sell Plan 332,5697,891,431 held (−4%) $17.45 $5.8M -12.1% —
Sep 3SEC Jiang YuPresident, Chair Sell Plan 141,9317,749,500 held (−2%) $17.48 $2.5M -12.2% —
Sep 3SEC James John WalkerCEO Sell Plan 25,000635,000 held (−4%) $17.77 $444K -13.7% —
Sep 3SEC James John WalkerCEO Sell Plan 25,000660,000 held (−4%) $17.44 $436K -12.0% —
Jun 5SEC I Financial Ventures Group Llc10% Owner Sell Plan 312,5538,411,447 held (−4%) $26.30 $8.2M -41.7% —
Jun 5SEC Jiang YuPresident, Chair Sell Plan 312,5538,411,447 held (−4%) $26.30 $8.2M -41.7% —
Jun 5SEC I Financial Ventures Group Llc10% Owner Sell Plan 168,6268,242,821 held (−2%) $27.16 $4.6M -43.5% —
Jun 5SEC Jiang YuPresident, Chair Sell Plan 168,6268,242,821 held (−2%) $27.16 $4.6M -43.5% —
Jun 5SEC I Financial Ventures Group Llc10% Owner Sell Plan 125,0218,298,979 held (−1%) $26.30 $3.3M -41.7% —
Jun 5SEC Jiang YuPresident, Chair Sell Plan 125,0218,298,979 held (−1%) $26.30 $3.3M -41.7% —
Jun 5SEC I Financial Ventures Group Llc10% Owner Sell Plan 67,4518,231,528 held (−1%) $27.16 $1.8M -43.5% —
Jun 5SEC Jiang YuPresident, Chair Sell Plan 67,4518,231,528 held (−1%) $27.16 $1.8M -43.5% —
Jun 5SEC James John WalkerCEO Sell Plan 46,145603,855 held (−7%) $26.18 $1.2M -41.4% —
Jun 5SEC Jiang YuPresident, Chair Sell Plan 30,2508,239,650 held (−0%) $26.29 $795K -41.7% —
Jun 5SEC James John WalkerCEO Sell Plan 25,792582,896 held (−4%) $26.77 $690K -42.7% —
Jun 5SEC James John WalkerCEO Sell Plan 25,000555,000 held (−4%) $26.04 $651K -41.1% —
Jun 5SEC James John WalkerCEO Sell Plan 22,380581,475 held (−4%) $27.06 $606K -43.3% —
Jun 5SEC Jaisun GarchaCFO Sell Plan 20,000345,000 held (−5%) $26.08 $522K -41.2% —
Jun 5SEC Jaisun GarchaCFO Sell Plan 15,223346,992 held (−4%) $26.84 $409K -42.8% —
Jun 5SEC Jiang YuPresident, Chair Sell Plan 13,0508,226,600 held (−0%) $27.07 $353K -43.3% —
Jun 5SEC I Financial Ventures Group Llc10% Owner Sell Plan 10,0358,232,786 held (−0%) $27.83 $279K -44.9% —
Jun 5SEC Jiang YuPresident, Chair Sell Plan 10,0358,232,786 held (−0%) $27.83 $279K -44.9% —
Jun 5SEC I Financial Ventures Group Llc10% Owner Sell Plan 5,2158,224,000 held (−0%) $29.91 $156K -48.7% —
Jun 5SEC Jiang YuPresident, Chair Sell Plan 5,2158,224,000 held (−0%) $29.91 $156K -48.7% —
Jun 5SEC I Financial Ventures Group Llc10% Owner Sell Plan 4,0148,227,514 held (−0%) $27.83 $112K -44.9% —
Jun 5SEC Jiang YuPresident, Chair Sell Plan 4,0148,227,514 held (−0%) $27.83 $112K -44.9% —
Jun 5SEC I Financial Ventures Group Llc10% Owner Sell Plan 3,5718,229,215 held (−0%) $28.98 $103K -47.1% —
Jun 5SEC Jiang YuPresident, Chair Sell Plan 3,5718,229,215 held (−0%) $28.98 $103K -47.1% —
Jun 5SEC Seth Jason BerlDirector Sell 3,7507,586 held (−33%) $24.92 $93K -38.4% —
Jun 5SEC Florent HeidetCTO Sell 3,0006,185 held (−33%) $24.95 $75K -38.5% —
Jun 5SEC James John WalkerCEO Sell Plan 2,624580,272 held (−0%) $27.56 $72K -44.3% —
Jun 5SEC I Financial Ventures Group Llc10% Owner Sell Plan 2,0858,224,000 held (−0%) $29.91 $62K -48.7% —
Jun 5SEC Jiang YuPresident, Chair Sell Plan 2,0858,224,000 held (−0%) $29.91 $62K -48.7% —
Jun 5SEC Diane Elizabeth HareDirector Sell Plan 2,2281,200 held (−65%) $26.31 $59K -41.7% —
Jun 5SEC Jaisun GarchaCFO Sell Plan 1,761345,231 held (−1%) $27.59 $49K -44.4% —
Jun 5SEC I Financial Ventures Group Llc10% Owner Sell Plan 1,4298,226,085 held (−0%) $28.98 $41K -47.1% —
Jun 5SEC Jiang YuPresident, Chair Sell Plan 1,4298,226,085 held (−0%) $28.98 $41K -47.1% —
Jun 5SEC James John WalkerCEO Sell Plan 1,475580,000 held (−0%) $27.90 $41K -45.0% —
Jun 5SEC Jiang YuPresident, Chair Sell Plan 1,4008,225,200 held (−0%) $27.83 $39K -44.9% —
Jun 5SEC Diane Elizabeth HareDirector Sell Plan 1,000200 held (−83%) $27.04 $27K -43.3% —
Jun 5SEC Jiang YuPresident, Chair Sell Plan 7008,224,000 held (−0%) $29.91 $21K -48.7% —
Jun 5SEC Jiang YuPresident, Chair Sell Plan 5008,224,700 held (−0%) $28.89 $14K -46.9% —
Jun 5SEC James John WalkerCEO Sell Plan 201580,071 held (−0%) $28.69 $6K -46.5% —
Jun 5SEC Jaisun GarchaCFO Sell Plan 174345,057 held (−0%) $28.81 $5K -46.8% —
Jun 5SEC Diane Elizabeth HareDirector Sell Plan 100 $28.87 $3K -46.9% —
Jun 5SEC Diane Elizabeth HareDirector Sell Plan 100100 held (−50%) $27.84 $3K -44.9% —
Jun 5SEC James John WalkerCEO Sell Plan 71580,000 held (−0%) $29.91 $2K -48.7% —
Jun 5SEC Jaisun GarchaCFO Sell Plan 57345,000 held (−0%) $29.91 $2K -48.7% —
Mar 4SEC Seth Jason BerlDirector Sell 3,6643,836 held (−49%) $27.69 $101K -44.6% —
Jan 30SEC Jiang YuPresident, Chair Sell Plan 201,3208,726,277 held (−2%) $34.42 $6.9M -55.4% —
Jan 30SEC I Financial Ventures Group Llc10% Owner Sell Plan 201,3208,726,277 held (−2%) $34.42 $6.9M -55.4% —
Jan 30SEC Jiang YuPresident, Chair Sell Plan 196,4749,112,000 held (−2%) $34.42 $6.8M -55.4% —
Jan 30SEC I Financial Ventures Group Llc10% Owner Sell Plan 196,4749,112,000 held (−2%) $34.42 $6.8M -55.4% —
Jan 30SEC Jiang YuPresident, Chair Sell Plan 184,4038,927,597 held (−2%) $33.83 $6.2M -54.7% —
Jan 30SEC I Financial Ventures Group Llc10% Owner Sell Plan 184,4038,927,597 held (−2%) $33.83 $6.2M -54.7% —
Jan 30SEC Jiang YuPresident, Chair Sell Plan 179,9659,112,000 held (−2%) $33.83 $6.1M -54.7% —
Jan 30SEC I Financial Ventures Group Llc10% Owner Sell Plan 179,9659,112,000 held (−2%) $33.83 $6.1M -54.7% —
Jan 30SEC James John WalkerCEO Sell Plan 86,098358,902 held (−19%) $33.64 $2.9M -54.4% —
Jan 30SEC Jiang YuPresident, Chair Sell Plan 87,6808,724,000 held (−1%) $31.81 $2.8M -51.8% —
Jan 30SEC I Financial Ventures Group Llc10% Owner Sell Plan 87,6808,724,000 held (−1%) $31.81 $2.8M -51.8% —
Jan 30SEC James John WalkerCEO Sell Plan 76,171282,731 held (−21%) $34.37 $2.6M -55.4% —
Jan 30SEC Jaisun GarchaCFO Sell Plan 39,845285,155 held (−12%) $33.66 $1.3M -54.4% —
Jan 30SEC Jaisun GarchaCFO Sell Plan 31,163253,992 held (−11%) $34.38 $1.1M -55.4% —
Jan 30SEC Jiang YuPresident, Chair Sell Plan 19,5848,724,000 held (−0%) $30.76 $602K -50.1% —
Jan 30SEC I Financial Ventures Group Llc10% Owner Sell Plan 19,5848,724,000 held (−0%) $30.76 $602K -50.1% —
Jan 30SEC James John WalkerCEO Sell Plan 13,581261,419 held (−5%) $33.66 $457K -54.4% —
Jan 30SEC James John WalkerCEO Sell Plan 10,609250,810 held (−4%) $34.38 $365K -55.4% —
Jan 30SEC Jiang YuPresident, Chair Sell Plan 10,9758,724,000 held (−0%) $32.84 $360K -53.3% —
Jan 30SEC I Financial Ventures Group Llc10% Owner Sell Plan 10,9758,724,000 held (−0%) $32.84 $360K -53.3% —
Jan 30SEC James John WalkerCEO Sell Plan 7,731275,000 held (−3%) $35.26 $273K -56.5% —
Jan 30SEC Jaisun GarchaCFO Sell Plan 3,992250,000 held (−2%) $35.23 $141K -56.5% —
Jan 30SEC Jiang YuPresident, Chair Sell Plan 3,1008,724,000 held (−0%) $33.74 $105K -54.5% —
Jan 30SEC I Financial Ventures Group Llc10% Owner Sell Plan 3,1008,724,000 held (−0%) $33.74 $105K -54.5% —
Jan 30SEC Jiang YuPresident, Chair Sell Plan 2,2778,724,000 held (−0%) $35.25 $80K -56.5% —
Jan 30SEC I Financial Ventures Group Llc10% Owner Sell Plan 2,2778,724,000 held (−0%) $35.25 $80K -56.5% —
Jan 30SEC Jiang YuPresident, Chair Sell Plan 2,2229,112,000 held (−0%) $35.25 $78K -56.5% —
Jan 30SEC I Financial Ventures Group Llc10% Owner Sell Plan 2,2229,112,000 held (−0%) $35.25 $78K -56.5% —
Jan 30SEC James John WalkerCEO Sell Plan 810250,000 held (−0%) $35.27 $29K -56.5% —
Jan 6SEC Diane Elizabeth HareDirector Sell Plan 19,850150 held (−99%) $28.70 $570K -46.6% —
Jan 6SEC Diane Elizabeth HareDirector Sell Plan 150 $29.08 $4K -47.2% —
Dec 30SEC Jiang YuPresident, Chair Sell Plan 337,6129,662,388 held (−3%) $30.06 $10.1M -49.0% —
Dec 30SEC I Financial Ventures Group Llc10% Owner Sell Plan 337,6129,662,388 held (−3%) $30.06 $10.1M -49.0% —
Dec 30SEC Jiang YuPresident, Chair Sell Plan 325,6339,295,893 held (−3%) $28.44 $9.3M -46.1% —
Dec 30SEC I Financial Ventures Group Llc10% Owner Sell Plan 325,6339,295,893 held (−3%) $28.44 $9.3M -46.1% —
Dec 30SEC Jiang YuPresident, Chair Sell Plan 176,4579,112,000 held (−2%) $27.03 $4.8M -43.2% —
Dec 30SEC I Financial Ventures Group Llc10% Owner Sell Plan 176,4579,112,000 held (−2%) $27.03 $4.8M -43.2% —
Dec 30SEC Jiang YuPresident, Chair Sell Plan 38,0499,624,339 held (−0%) $30.75 $1.2M -50.1% —
Dec 30SEC I Financial Ventures Group Llc10% Owner Sell Plan 38,0499,624,339 held (−0%) $30.75 $1.2M -50.1% —
Dec 30SEC Kenny Joe Yung YuDirector Sell Plan 30,17715,000 held (−67%) $32.25 $973K -52.4% —
Dec 30SEC Tsun Yee LawDirector Sell Plan 22,691100,000 held (−18%) $32.26 $732K -52.4% —
Dec 30SEC James John WalkerCEO Sell Plan 22,459277,541 held (−7%) $30.03 $674K -48.9% —
Dec 30SEC Tsun Yee LawDirector Sell Plan 18,67081,330 held (−19%) $32.25 $602K -52.4% —
Dec 30SEC Diane Elizabeth HareDirector Sell Plan 14,640 $32.24 $472K -52.4% —
Dec 30SEC Kenny Joe Yung YuDirector Sell Plan 9,82315,000 held (−40%) $32.98 $324K -53.5% —
Dec 30SEC Tsun Yee LawDirector Sell Plan 7,309100,000 held (−7%) $32.98 $241K -53.5% —
Dec 30SEC Jiang YuPresident, Chair Sell Plan 7,4369,288,457 held (−0%) $29.41 $219K -47.8% —
Dec 30SEC I Financial Ventures Group Llc10% Owner Sell Plan 7,4369,288,457 held (−0%) $29.41 $219K -47.8% —
Dec 30SEC Tsun Yee LawDirector Sell Plan 6,33075,000 held (−8%) $32.98 $209K -53.5% —
Dec 30SEC Diane Elizabeth HareDirector Sell Plan 5,360 $32.96 $177K -53.5% —
Dec 30SEC Jiang YuPresident, Chair Sell Plan 2,8139,621,526 held (−0%) $31.43 $88K -51.2% —
Dec 30SEC I Financial Ventures Group Llc10% Owner Sell Plan 2,8139,621,526 held (−0%) $31.43 $88K -51.2% —
Dec 30SEC James John WalkerCEO Sell Plan 2,541275,000 held (−1%) $30.97 $79K -50.5% —

Insiders at Nano Nuclear Energy Inc.

InsiderBoughtSoldLast filingScore
Jiang YuPresident, Chair — $83.9M Sep 3, 2026 —
I Financial Ventures Group Llc10% Owner — $74.4M Jun 5, 2026 —
James John WalkerCEO — $11.5M Sep 3, 2026 —
Jaisun GarchaCFO — $3.5M Jun 5, 2026 —
Tsun Yee LawDirector — $1.8M Dec 30, 2025 —
Diane Elizabeth HareDirector — $1.3M Jun 5, 2026 —
Kenny Joe Yung YuDirector — $1.3M Dec 30, 2025 —
Seth Jason BerlDirector — $195K Jun 5, 2026 —
Florent HeidetCTO — $75K Jun 5, 2026 —

NNE stock: common questions

Are Nano Nuclear Energy Inc. insiders buying NNE stock?

In the past 12 months, 0 insiders reported open-market purchases of NNE worth $0.

Are Nano Nuclear Energy Inc. insiders selling NNE stock?

9 insiders reported sales worth $178M over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is NNE's 52-week range?

Over the past year NNE has traded between $14.88 and $54.44. It last closed at $15.34 on Oct 9, 2026.