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Deep Fission (Nasdaq:FISN) announced arrival of its non-nuclear prototype reactor canister at its Parsons, Kansas site, a key milestone in its Proof-of-Concept Well and Gravity Nuclear Reactor™ program. The canister has completed fabrication, hydrostatic testing, and delivery, enabling upcoming large-diameter borehole testing under real-world, non-nuclear conditions.
The company is advancing permitting with the Kansas Department of Health and Environment for a non-nuclear borehole, progressing a full-scale nuclear demonstration borehole and primary heat exchanger design, and participating in the U.S. Department of Energy’s Reactor Pilot Program.
Deep Fission (Nasdaq:FISN) will join DOE Secretary Wright at Idaho National Laboratory’s Golden Era of Nuclear Power event on June 25 in Idaho Falls. The advanced nuclear company was selected for the DOE’s Reactor Pilot Program and is developing its underground Gravity Nuclear Reactor.
According to Deep Fission, participation follows its Nasdaq listing and a customer pipeline of up to 18.5 GW of potential capacity via Letters of Intent, including a first reactor project in Parsons, Kansas.
Deep Fission (Nasdaq:FISN), an advanced nuclear company, announced signed non-binding LOIs with data centers, co-developers, industrial parks, and partners representing up to 18.5 GW of potential generation capacity.
The company is advancing its first reactor project in Kansas under the DOE Reactor Pilot Program and targets first commercial operations in 2027–2028, subject to technical progress, financing, and regulatory approvals.
Deep Fission (Nasdaq:FISN), an advanced nuclear energy company developing underground small modular pressurized water reactors, closed a public offering of 2,500,000 shares at $16.00 per share, raising $40 million in gross proceeds.
The company granted underwriters a 30-day option for 375,000 additional shares and plans to use proceeds for working capital, R&D, licensing, and construction of its first pilot nuclear reactor.
Deep Fission (Nasdaq:FISN) priced a public offering of 2,500,000 common shares at $16.00 per share, targeting $40 million in gross proceeds. Underwriters hold a 30-day option for 375,000 extra shares.
Trading on Nasdaq is expected to begin June 18, 2026, with closing on June 22, 2026. Proceeds will fund working capital and development of its first pilot nuclear reactor.