DEEP FISSION, INC.

Deep Fission, Inc. announced modifications to its Non-Employee Director Compensation Policy, effective July 23, 2026. The changes, recommended by the Compensation Committee, aim to align director compensation with market practice. Key adjustments include an increase in the annual equity award to $175,000 and the initial award for new directors to $350,000. Additionally, retainers for committee chairs were increased, and new retainers were added for committee members.

Deep Fission, Inc. held its 2026 annual meeting of stockholders where several key proposals were approved. Stockholders voted to amend the 2025 Equity Incentive Plan, increasing the number of shares authorized for issuance by 5,000,000. Additionally, Leslie Goldman Tepper and Blake E. Janover were elected as Class I directors, and Grant Thornton LLP was ratified as the company's independent registered public accounting firm for the fiscal year ending December 31, 2026.

Deep Fission, Inc. announced the completion of its public offering, selling 2,500,000 shares of common stock at $16.00 per share. This offering generated gross proceeds of $40 million for the company. The company's common stock commenced trading on the Nasdaq Global Market under the symbol "FISN" on June 18, 2026. Proceeds will be used for general working capital, corporate purposes, and the development of its first pilot nuclear reactor.

DEEP FISSION, INC. (FISN) has filed its Definitive Proxy Statement for the 2026 Annual Meeting of Stockholders, scheduled for July 17, 2026, to be held virtually. Key proposals include the election of two directors, ratification of Grant Thornton LLP as the independent registered public accounting firm for fiscal year 2026, and an amendment to the 2025 Equity Incentive Plan to increase authorized shares by 5.0 million. The company is urging stockholders of record as of May 18, 2026, to vote in advance of the meeting.

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'.