DEEP FISSION, INC.

Deep Fission, Inc. (FISN) has filed an amended S-1 registration statement for an initial public offering of 2,500,000 shares of common stock, with an anticipated price range of $16.00 to $18.00 per share. The company, which is developing a small modular reactor called the Gravity Reactor, has previously restated its financial statements due to accounting errors related to Simple Agreement for Future Equity (SAFE) Notes and stock-based compensation expense. Additionally, material weaknesses in internal control over financial reporting were identified as of March 31, 2026. Deep Fission is seeking to list its common stock on the Nasdaq Global Market under the symbol 'FISN'.