Insider · CIK 0002021757

Walker James John

Reports to the SEC for 1 company · NEW YORK, NY

sec.gov

Transactions

Companies

Filings

CIK

0002021757

Forms 4 and 5

Insider transactions

32 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-10-01	NNENano Nuclear Energy Inc. · Restricted Stock UnitsA Award	Director, Chief Executive Officer	AAward	+258K sh	—	—	0
2026-09-03	NNENano Nuclear Energy Inc.S Sale	Director, Chief Executive Officer	SSale	−25K sh	$17.77	−$444K	635,000
2026-09-01	NNENano Nuclear Energy Inc.S Sale	Director, Chief Executive Officer	SSale	−25K sh	$17.44	−$436K	660,000
2026-06-03	NNENano Nuclear Energy Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+70K sh	$3.00	+$210K	650,000
2026-06-03	NNENano Nuclear Energy Inc.S Sale	Director, Chief Executive Officer	SSale	−46.1K sh	$26.18	−$1.21M	603,855
2026-06-03	NNENano Nuclear Energy Inc.S Sale	Director, Chief Executive Officer	SSale	−22.4K sh	$27.06	−$606K	581,475
2026-06-03	NNENano Nuclear Energy Inc.S Sale	Director, Chief Executive Officer	SSale	−1,475 sh	$27.90	−$41.2K	580,000
2026-06-03	NNENano Nuclear Energy Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+28.7K sh	—	—	608,688
2026-06-03	NNENano Nuclear Energy Inc.S Sale	Director, Chief Executive Officer	SSale	−25.8K sh	$26.77	−$690K	582,896
2026-06-03	NNENano Nuclear Energy Inc.S Sale	Director, Chief Executive Officer	SSale	−2,624 sh	$27.55	−$72.3K	580,272
2026-06-03	NNENano Nuclear Energy Inc.S Sale	Director, Chief Executive Officer	SSale	−201 sh	$28.69	−$5,766.489	580,071
2026-06-03	NNENano Nuclear Energy Inc.S Sale	Director, Chief Executive Officer	SSale	−71 sh	$29.91	−$2,123.61	580,000
2026-06-03	NNENano Nuclear Energy Inc.S Sale	Director, Chief Executive Officer	SSale	−25K sh	$26.04	−$651K	555,000
2026-06-03	NNENano Nuclear Energy Inc. · Stock OptionsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−70K sh	—	—	430,000
2026-06-03	NNENano Nuclear Energy Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−28.7K sh	—	—	146,398
2026-06-03	NNENano Nuclear Energy Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+200K sh	$3.00	+$600K	780,000
2026-06-03	NNENano Nuclear Energy Inc. · Stock OptionsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−200K sh	—	—	300,000
2026-02-02	NNENano Nuclear Energy Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+330K sh	$1.50	+$495K	580,000
2026-02-02	NNENano Nuclear Energy Inc. · Stock OptionsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−330K sh	—	—	500,000
2026-01-28	NNENano Nuclear Energy Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+170K sh	$1.50	+$255K	445,000
2026-01-28	NNENano Nuclear Energy Inc.S Sale	Director, Chief Executive Officer	SSale	−86.1K sh	$33.64	−$2.9M	358,902
2026-01-28	NNENano Nuclear Energy Inc.S Sale	Director, Chief Executive Officer	SSale	−76.2K sh	$34.37	−$2.62M	282,731
2026-01-28	NNENano Nuclear Energy Inc.S Sale	Director, Chief Executive Officer	SSale	−7,731 sh	$35.26	−$273K	275,000
2026-01-28	NNENano Nuclear Energy Inc.S Sale	Director, Chief Executive Officer	SSale	−13.6K sh	$33.66	−$457K	261,419
2026-01-28	NNENano Nuclear Energy Inc.S Sale	Director, Chief Executive Officer	SSale	−10.6K sh	$34.38	−$365K	250,810
2026-01-28	NNENano Nuclear Energy Inc.S Sale	Director, Chief Executive Officer	SSale	−810 sh	$35.27	−$28.6K	250,000
2026-01-28	NNENano Nuclear Energy Inc. · Stock OptionsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−170K sh	—	—	830,000
2025-12-24	NNENano Nuclear Energy Inc.S Sale	Director, Chief Executive Officer	SSale	−22.5K sh	$30.03	−$674K	277,541
2025-12-24	NNENano Nuclear Energy Inc.S Sale	Director, Chief Executive Officer	SSale	−2,541 sh	$30.97	−$78.7K	275,000
2025-11-13	NNENano Nuclear Energy Inc. · Restricted Stock UnitsA Award	Director, Chief Executive Officer	AAward	+89K sh	—	—	0
2025-06-03	NNENano Nuclear Energy Inc. · Restricted Stock UnitsA Award	Director, Chief Executive Officer	AAward	+86.1K sh	—	—	0
2025-03-13	NNENano Nuclear Energy Inc. · Stock Options (right to purchase)A Award	Director, Chief Executive Officer	AAward	+300K sh	—	—	300,000

Recent filings

Accepted (ET)
Oct 54
Walker James John0001493152-26-045804
SEC(opens sec.gov)
Sep 34
Walker James John0001493152-26-041402
SEC(opens sec.gov)
Sep 34
Walker James John0001493152-26-041359
SEC(opens sec.gov)
Aug 264/A
Walker James John0001493152-26-040231
SEC(opens sec.gov)
Jun 54
Walker James John0001493152-26-027559
SEC(opens sec.gov)
Feb 44
Walker James John0001493152-26-005014
SEC(opens sec.gov)
Jan 304
Walker James John0001493152-26-004580
SEC(opens sec.gov)

Companies

Nano Nuclear Energy Inc.Director, Chief Executive OfficerNNE

Address

10 TIMES SQUARE, 30TH FLOOR

NEW YORK, NY, 10018