Every S-3 that Nano Nuclear Energy Inc. (NNE) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A S-3 covers the shelf registration that lets an established company sell over time, so if you follow NNE and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full NNE filings page.
Nano Nuclear Energy Inc. amends a shelf registration to offer up to $900,000,000 of securities, including a $400,000,000 at-the-market (ATM) program, and a separate Selling Stockholder prospectus registering 8,490,767 shares for resale. The shelf permits multiple securities classes to be issued from time to time after effectiveness and the ATM amount is included within the $900,000,000 aggregate. The prospectus notes the company is pre-revenue, reported net losses (e.g., approximately $40.1 million for the year ended September 30, 2025), and lists the KRONOS MMR™ program, related acquisitions, regulatory milestones, and development plans as material context for the registration.
Nano Nuclear Energy Inc. has filed an amended shelf registration that would allow it to offer up to $900,000,000 of common stock, preferred stock, debt and other securities over time. This includes a $400,000,000 at-the-market common stock program and a resale registration for up to 8,490,767 common shares held by existing stockholders.
The company is a pre-revenue nuclear technology developer focused on advanced microreactors (KRONOS, LOKI, ZEUS, ODIN), fuel processing, fuel transport and nuclear consulting. It reported a net loss of $40,067,076 for the year ended September 30, 2025 and an accumulated deficit of about $57.5 million. Management outlines long development timelines, with initial reactor deployments and some business lines not expected until the 2030s and significant capital needs, including estimated prototype reactor costs of $300–$350 million each.
Nano Nuclear Energy Inc. filed Amendment No. 2 to a mixed shelf registration covering up to $900,000,000 of securities, including a $400,000,000 at‑the‑market offering program, and a resale of up to 8,490,767 shares by selling stockholders, each offered from time to time after effectiveness.
The ATM will be conducted under a sales agreement with TD Securities (USA) LLC (TD Cowen), UBS Securities LLC, and Piper Sandler & Co. The ATM capacity is included within the $900 million shelf. The company’s common stock trades on Nasdaq as NNE; the last reported sale price on October 20, 2025 was $46.07 per share.