Deep Fission, Inc. Goes Public with $30M Funding to Revolutionize Underground Nuclear Energy

Deep Fission, Inc., an advanced nuclear energy company, has secured $30 million through a private placement offering at $3.00 per share and completed a reverse merger with Surfside Acquisition Inc., resulting in its public listing under the name Deep Fission, Inc. The company is pioneering the deployment of small modular pressurized water reactors (SMRs) situated one mile underground, aiming to revolutionize the nuclear energy sector.

Founded in 2023 by Elizabeth and Richard Muller, Deep Fission specializes in developing underground SMRs that leverage natural geological formations for shielding, thereby reducing surface footprint and enhancing security. The company's innovative approach integrates proven methods from the nuclear, oil and gas, and geothermal industries. By situating reactors one mile underground, Deep Fission utilizes billions of tons of bedrock for passive safety and containment, reducing the surface footprint and enhancing security. The design employs off-the-shelf components and low-enriched uranium (LEU) to simplify supply chains. The company is targeting a levelized cost of electricity (LCOE) between 5-7 cents per kilowatt-hour for its initial commercial implementation. Deep Fission currently holds 24 pending patent applications and over 40 unique innovations.

On September 8, 2025, Deep Fission announced the successful completion of a $30 million private placement offering at $3.00 per share. This funding round was heavily oversubscribed, indicating strong investor confidence. Concurrently, the company completed a reverse merger with Surfside Acquisition Inc., a public shell corporation, resulting in Deep Fission becoming a publicly listed entity. Following the merger, the company is now subject to public reporting requirements under the Securities Exchange Act of 1934 and plans to file a resale registration statement with the SEC.

Deep Fission has been selected by the U.S. Department of Energy (DOE) to participate in the Nuclear Reactor Pilot Program, an initiative launched under President Donald Trump's administration. The program aims to expedite the deployment of advanced nuclear reactors to meet the increasing energy demands from sectors such as artificial intelligence and data centers. Deep Fission's pilot reactor is targeting criticality by July 4, 2026, with plans for rapid commercialization thereafter.

The nuclear energy sector is experiencing a resurgence, driven by increasing power demands from AI and computing industries. The U.S. hosts 29 fusion developers, with many aiming to operate pilot plants by 2030–2035. Deep Fission's approach of underground SMRs offers a unique solution by leveraging natural geological shielding and reducing surface footprint.

Deep Fission's advancements could significantly impact the energy landscape by providing a cleaner, more secure, and cost-effective power source. The underground reactor design addresses common public concerns about nuclear safety and environmental impact. Additionally, the potential for rapid deployment aligns with the urgent need for sustainable energy solutions to meet growing demands from technology sectors.

As a result of the reverse merger, Deep Fission is now subject to the public reporting requirements of the Securities Exchange Act of 1934. The company intends to file a resale registration statement on Form S-1 with the SEC to register its outstanding shares and will apply to have its shares approved for quotation on the OTCQB (The Venture Market).

Deep Fission's strategic moves and technological innovations position the company as a potential leader in the next generation of nuclear energy solutions. By addressing key challenges in cost, safety, and scalability, the company aims to contribute significantly to meeting the growing energy demands of the modern world.