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10-K

Annual Report

DEEP FISSION, INC. FISN

0001104659-26-043870

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Filed
Apr 15, 2026 12:00 AM ET
Period of report
Restated figures. One or more values in this filing restate previously reported amounts.

On SEC.gov

Financials in this filing

Metric Period Value
Shares Outstanding FY 2025 · Mar 31, 2026 56.21M sh
Capex FY 2025 · Dec 31, 2025 $43.44K
Capex FY 2025 · Dec 31, 2024 $2.66K
Operating Cash Flow FY 2025 · Dec 31, 2025 −$13.05M
Operating Cash Flow restated FY 2025 · Dec 31, 2024 −$2.8M
Cash And Equivalents FY 2025 · Dec 31, 2025 $23.72M
Cash And Equivalents FY 2025 · Dec 31, 2024 $6.73M
Stockholders Equity FY 2025 · Dec 31, 2025 $22.29M
Stockholders Equity FY 2025 · Sep 30, 2025 $29.81M
Stockholders Equity restated FY 2025 · Dec 31, 2024 −$4.08M
Stockholders Equity FY 2025 · Sep 30, 2024 −$1.31M
Stockholders Equity FY 2025 · Jun 30, 2024 −$123.72K
Stockholders Equity restated FY 2025 · Dec 31, 2023 $460.26K
Current Liabilities FY 2025 · Dec 31, 2025 $2.4M
Current Liabilities restated FY 2025 · Dec 31, 2024 $161.44K
Total Liabilities FY 2025 · Dec 31, 2025 $2.4M
Total Liabilities FY 2025 · Sep 30, 2025 $744.3K
Total Liabilities FY 2025 · Jun 30, 2025 $15.65M
Total Liabilities restated FY 2025 · Dec 31, 2024 $10.94M
Current Assets FY 2025 · Dec 31, 2025 $24.43M
Current Assets restated FY 2025 · Dec 31, 2024 $6.86M
Total Assets FY 2025 · Dec 31, 2025 $24.69M
Total Assets FY 2025 · Sep 30, 2025 $30.55M
Total Assets FY 2025 · Jun 30, 2025 $4.96M
Total Assets restated FY 2025 · Dec 31, 2024 $6.86M
Eps Basic FY 2025 · Dec 31, 2025 −$2.41
Eps Basic FY 2025 · Sep 30, 2025 −$1.94
Eps Basic FY 2025 · Sep 30, 2025 −$3.01
Eps Basic FY 2025 · Jun 30, 2025 −$0.49
Eps Basic restated FY 2025 · Dec 31, 2024 −$0.57
Eps Basic FY 2025 · Sep 30, 2024 −$0.09
Eps Basic FY 2025 · Sep 30, 2024 −$0.33
Eps Basic FY 2025 · Jun 30, 2024 −$0.31
Sga Expense FY 2025 · Dec 31, 2025 $14.77M
Sga Expense FY 2025 · Sep 30, 2025 $6.79M
Sga Expense FY 2025 · Sep 30, 2025 $9.06M
Sga Expense FY 2025 · Jun 30, 2025 $2.27M
Sga Expense restated FY 2025 · Dec 31, 2024 $3.44M
Sga Expense FY 2025 · Sep 30, 2024 $587.17K
Sga Expense FY 2025 · Sep 30, 2024 $2.23M
Sga Expense FY 2025 · Jun 30, 2024 $1.65M
Rd Expense FY 2025 · Dec 31, 2025 $6.62M
Rd Expense FY 2025 · Sep 30, 2025 $1.92M
Rd Expense FY 2025 · Sep 30, 2025 $3.47M
Rd Expense FY 2025 · Jun 30, 2025 $1.55M
Rd Expense FY 2025 · Dec 31, 2024 $661.18K
Rd Expense FY 2025 · Sep 30, 2024 $146.72K
Rd Expense FY 2025 · Sep 30, 2024 $360.49K
Rd Expense FY 2025 · Jun 30, 2024 $213.76K
Net Income FY 2025 · Dec 31, 2025 −$61M
Net Income FY 2025 · Sep 30, 2025 −$45.41M
Net Income FY 2025 · Sep 30, 2025 −$52.35M
Net Income FY 2025 · Jun 30, 2025 −$6.94M
Net Income restated FY 2025 · Dec 31, 2024 −$5.71M
Net Income FY 2025 · Sep 30, 2024 −$1.22M
Net Income FY 2025 · Sep 30, 2024 −$2.91M
Net Income FY 2025 · Jun 30, 2024 −$1.69M
Operating Income FY 2025 · Dec 31, 2025 −$21.38M
Operating Income restated FY 2025 · Dec 31, 2024 −$4.1M
Shares Diluted FY 2025 · Sep 30, 2025 23.43M sh
Shares Diluted FY 2025 · Sep 30, 2025 17.39M sh
Shares Diluted FY 2025 · Jun 30, 2025 14.06M sh
Shares Diluted restated FY 2025 · Dec 31, 2024 10.04M sh
Shares Diluted FY 2025 · Sep 30, 2024 13.19M sh
Shares Diluted FY 2025 · Sep 30, 2024 8.68M sh
Shares Diluted FY 2025 · Jun 30, 2024 5.48M sh
Eps Diluted FY 2025 · Sep 30, 2025 −$1.94
Eps Diluted FY 2025 · Sep 30, 2025 −$3.01
Eps Diluted FY 2025 · Jun 30, 2025 −$0.49
Eps Diluted restated FY 2025 · Dec 31, 2024 −$0.57
Eps Diluted FY 2025 · Sep 30, 2024 −$0.09
Eps Diluted FY 2025 · Sep 30, 2024 −$0.33
Eps Diluted FY 2025 · Jun 30, 2024 −$0.31