DEEP FISSION, INC. 8-K

What Happened

• Deep Fission, Inc. announced it completed a public offering of 2,500,000 shares of common stock at $16.00 per share on June 22, 2026, producing $40.0 million in gross proceeds. The company's common stock began trading on the Nasdaq Global Market under the symbol "FISN" on June 18, 2026. The company granted the underwriters a 30‑day option to buy up to an additional 375,000 shares at the IPO price, less underwriting discounts and commissions. Deep Fission said it intends to use net proceeds for general working capital and corporate purposes, including engineering, R&D, licensing and construction of its first pilot nuclear reactor and related technologies.

Key Details

• Shares sold: 2,500,000 common shares at $16.00 per share (gross proceeds $40.0 million).
• Overallotment option: underwriters may purchase up to 375,000 additional shares within 30 days (would add up to $6.0 million gross at $16.00).
• Nasdaq listing: common stock began trading on the Nasdaq Global Market as "FISN" on June 18, 2026.
• Use of proceeds: stated for working capital, engineering, R&D, licensing and pilot reactor construction.

Why It Matters

• The offering provides Deep Fission with immediate capital to fund its stated development and corporate activities, including advancing its first pilot nuclear reactor program.
• Nasdaq listing and the completed offering increase the company's access to public capital markets and create a publicly tradable share for investors.
• The underwriters' 30‑day option could bring additional capital (up to $6.0 million gross) if exercised, which investors should monitor for potential dilution or further funding.