Follow the people · Insider
James John Walker
James John Walker files insider transactions with the SEC as a chief executive officer of Nano Nuclear Energy (NNE). We hold 4 disclosed purchases and sales filed since 17 March 2025, 2 of them in the last 90 days.
- Files forNNE
- Disclosed buys and sells4 in all, 2 in the last 90 days
- Last disclosure3 September 2026
Positions held
1 post we hold — a term names its own dates; a run of filings only says when they filed- Filed 13 March 2025 — 3 September 2026Chief Executive Officer · Nano Nuclear Energy (NNE)41 Form 4 lines · source: SEC Form 4
Everything they disclosed
41 entries, newest first — one per disclosure report, one per Form 4 line- ▼ sold on the open market 25,000 shares of Nano Nuclear EnergySEC Form 43 September 2026Common Stock · traded 1 September 2026 · filed 3 September 2026
- ▼ sold on the open market 25,000 shares of Nano Nuclear EnergySEC Form 43 September 2026Common Stock · traded 3 September 2026 · filed 3 September 2026
- exercised options over 200,000 shares of Nano Nuclear EnergySEC Form 426 August 2026Common Stock · traded 3 June 2026 · filed 26 August 2026
- exercised options over 200,000 shares of Nano Nuclear Energy (a derivative holding)SEC Form 426 August 2026Stock Options · traded 3 June 2026 · filed 26 August 2026
- exercised options over 70,000 shares of Nano Nuclear EnergySEC Form 45 June 2026Common Stock · traded 3 June 2026 · filed 5 June 2026
- ▼ sold on the open market 25,000 shares of Nano Nuclear EnergySEC Form 45 June 2026Common Stock · traded 3 June 2026 · filed 5 June 2026
- exercised options over 70,000 shares of Nano Nuclear Energy (a derivative holding)SEC Form 45 June 2026Stock Options · traded 3 June 2026 · filed 5 June 2026
- exercised options over 28,688 shares of Nano Nuclear Energy (a derivative holding)SEC Form 45 June 2026Restricted Stock Units · traded 3 June 2026 · filed 5 June 2026
- ▼ sold on the open market 46,145 shares of Nano Nuclear EnergySEC Form 45 June 2026Common Stock · traded 3 June 2026 · filed 5 June 2026
- ▼ sold on the open market 22,380 shares of Nano Nuclear EnergySEC Form 45 June 2026Common Stock · traded 3 June 2026 · filed 5 June 2026
- ▼ sold on the open market 1,475 shares of Nano Nuclear EnergySEC Form 45 June 2026Common Stock · traded 3 June 2026 · filed 5 June 2026
- exercised options over 28,688 shares of Nano Nuclear EnergySEC Form 45 June 2026Common Stock · traded 3 June 2026 · filed 5 June 2026
- ▼ sold on the open market 25,792 shares of Nano Nuclear EnergySEC Form 45 June 2026Common Stock · traded 3 June 2026 · filed 5 June 2026
- ▼ sold on the open market 2,624 shares of Nano Nuclear EnergySEC Form 45 June 2026Common Stock · traded 3 June 2026 · filed 5 June 2026
- ▼ sold on the open market 201 shares of Nano Nuclear EnergySEC Form 45 June 2026Common Stock · traded 3 June 2026 · filed 5 June 2026
- ▼ sold on the open market 71 shares of Nano Nuclear EnergySEC Form 45 June 2026Common Stock · traded 3 June 2026 · filed 5 June 2026
- exercised options over 330,000 shares of Nano Nuclear EnergySEC Form 44 February 2026Common Stock · traded 2 February 2026 · filed 4 February 2026
- exercised options over 330,000 shares of Nano Nuclear Energy (a derivative holding)SEC Form 44 February 2026Stock Options · traded 2 February 2026 · filed 4 February 2026
- exercised options over 330,000 shares of Nano Nuclear Energy (a derivative holding)SEC Form 44 February 2026Stock Options · traded 2 February 2026 · filed 4 February 2026
- exercised options over 330,000 shares of Nano Nuclear EnergySEC Form 44 February 2026Common Stock · traded 2 February 2026 · filed 4 February 2026
- exercised options over 170,000 shares of Nano Nuclear EnergySEC Form 430 January 2026Common Stock · traded 28 January 2026 · filed 30 January 2026
- ▼ sold on the open market 86,098 shares of Nano Nuclear EnergySEC Form 430 January 2026Common Stock · traded 28 January 2026 · filed 30 January 2026
- ▼ sold on the open market 76,171 shares of Nano Nuclear EnergySEC Form 430 January 2026Common Stock · traded 28 January 2026 · filed 30 January 2026
- exercised options over 170,000 shares of Nano Nuclear Energy (a derivative holding)SEC Form 430 January 2026Stock Options · traded 28 January 2026 · filed 30 January 2026
- ▼ sold on the open market 7,731 shares of Nano Nuclear EnergySEC Form 430 January 2026Common Stock · traded 28 January 2026 · filed 30 January 2026
- ▼ sold on the open market 13,581 shares of Nano Nuclear EnergySEC Form 430 January 2026Common Stock · traded 28 January 2026 · filed 30 January 2026
- ▼ sold on the open market 10,609 shares of Nano Nuclear EnergySEC Form 430 January 2026Common Stock · traded 28 January 2026 · filed 30 January 2026
- ▼ sold on the open market 810 shares of Nano Nuclear EnergySEC Form 430 January 2026Common Stock · traded 28 January 2026 · filed 30 January 2026
- exercised options over 170,000 shares of Nano Nuclear Energy (a derivative holding)SEC Form 430 January 2026Stock Options · traded 28 January 2026 · filed 30 January 2026
- exercised options over 170,000 shares of Nano Nuclear EnergySEC Form 430 January 2026Common Stock · traded 28 January 2026 · filed 30 January 2026
- ▼ sold on the open market 86,098 shares of Nano Nuclear EnergySEC Form 430 January 2026Common Stock · traded 28 January 2026 · filed 30 January 2026
- ▼ sold on the open market 76,171 shares of Nano Nuclear EnergySEC Form 430 January 2026Common Stock · traded 28 January 2026 · filed 30 January 2026
- ▼ sold on the open market 7,731 shares of Nano Nuclear EnergySEC Form 430 January 2026Common Stock · traded 28 January 2026 · filed 30 January 2026
- ▼ sold on the open market 13,581 shares of Nano Nuclear EnergySEC Form 430 January 2026Common Stock · traded 28 January 2026 · filed 30 January 2026
- ▼ sold on the open market 10,609 shares of Nano Nuclear EnergySEC Form 430 January 2026Common Stock · traded 28 January 2026 · filed 30 January 2026
- ▼ sold on the open market 810 shares of Nano Nuclear EnergySEC Form 430 January 2026Common Stock · traded 28 January 2026 · filed 30 January 2026
- ▼ sold on the open market 22,459 shares of Nano Nuclear EnergySEC Form 430 December 2025Common Stock · traded 24 December 2025 · filed 30 December 2025
- ▼ sold on the open market 2,541 shares of Nano Nuclear EnergySEC Form 430 December 2025Common Stock · traded 24 December 2025 · filed 30 December 2025
- was granted 89,022 shares of Nano Nuclear Energy (a derivative holding)SEC Form 417 November 2025Restricted Stock Units · traded 13 November 2025 · filed 17 November 2025
- was granted 86,064 shares of Nano Nuclear Energy (a derivative holding)SEC Form 45 June 2025Restricted Stock Units · traded 3 June 2025 · filed 5 June 2025
- was granted 300,000 shares of Nano Nuclear Energy (a derivative holding)SEC Form 417 March 2025Stock Options (right to purchase) · traded 13 March 2025 · filed 17 March 2025
Positions come from the unitedstates/congress-legislators roster, the Office of Government Ethics and the SEC’s Form 4 index. Every disclosed line names its own source and links the document the government published; we print what the filing says and never a price we did not read from it. Headlines and links come from the GDELT Global Knowledge Graph — the story stays with the publisher. The portrait, where we have one, is the public-domain Congressional Bioguide photograph.