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Mandatory convertible bond issuance (Tables) | 6 Months Ended
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Jun. 30, 2025
Debt Disclosure [Abstract] |
Schedule of fair valuation monte carlo model | Schedule of fair valuation monte carlo model
Parameter |  | Value / Source
Effective date |  | March 19, 2025
Maturity |  | March 19, 2028
Nominal value |  | $8.165 million (converted from €7.5 million FX as of 3/19/2025)
Risk-free rate |  | 4.00% (U.S. Treasury, 3.0-year term)
Equity volatility (annualized) |  | 83.0% (Historical, 3.0-year horizon)
Stock price on valuation date |  | $3.82 (Nasdaq CM: GNTA – S&P Capital IQ)
Simulated term |  | 3.0 years
Number of simulations |  | 20,000
Parameter |  | As of March 19, 2025 |  |  | As of June 30, 2025 |
GNTA share price |  | $ | 3.82 |  |  | $ | 3.05 |
Stock volatility (3.0-year horizon) |  |  | 83.0 | % |  |  | 82.0 | %
Risk-free rate (3.0 years) |  |  | 4.0 | % |  |  | 3.7 | %
Implied yield (adjusted yield for June 30, 2025) |  |  | 7.3 | % |  |  | 6.8 | %
Expected term |  |  | 3.0 years |  |  |  | 2.7 years |
Schedule of corporate scenarios model | Schedule of corporate scenarios model
Scenario |  | Probability |  |  | Event date |  | Average bond balance (USD 000s) |  |  | Average payoff (USD 000s) |  |  | Discount rate |  |  | PV factor |  |  | PV (USD 000s) |
Investment round |  |  | 2.5 | % |  | 3/31/2026 |  | $ | 8,678 |  |  | $ | 9,321 |  |  |  | 7.3 | % |  |  | 0.9299 |  |  | $ | 217 |
Change of control |  |  | 5.0 | % |  | 12/31/2027 |  | $ | 9,548 |  |  | $ | 9,776 |  |  |  | 7.3 | % |  |  | 0.8221 |  |  | $ | 402 |
Maturity |  |  | 90.0 | % |  | 3/19/2028 |  | $ | 9,656 |  |  | $ | 10,317 |  |  |  | 7.3 | % |  |  | 0.8098 |  |  | $ | 7,519 |
Dissolution |  |  | 2.5 | % |  | 9/30/2026 |  | $ | 8,927 |  |  | $ | 1,225 |  |  |  | 7.3 | % |  |  | 0.8977 |  |  | $ | 27 |
Total Fair Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 8,165 |
Scenario |  | Probability |  |  | Event date |  | Average bond balance (USD 000s) |  |  | Average payoff (USD 000s) |  |  | Discount rate |  |  | PV factor |  |  | PV (USD 000s) |
Investment round |  |  | 2.5 | % |  | 6/30/2026 |  | $ | 9,495 |  |  | $ | 10,205 |  |  |  | 6.8 | % |  |  | 0.9359 |  |  | $ | 239 |
Change of control |  |  | 5.0 | % |  | 12/31/2027 |  | $ | 10,301 |  |  | $ | 10,340 |  |  |  | 6.8 | % |  |  | 0.8472 |  |  | $ | 438 |
Maturity |  |  | 90.0 | % |  | 3/19/2028 |  | $ | 10,417 |  |  | $ | 10,863 |  |  |  | 6.8 | % |  |  | 0.8352 |  |  | $ | 8,166 |
Dissolution |  |  | 2.5 | % |  | 12/31/2026 |  | $ | 9,765 |  |  | $ | 1,321 |  |  |  | 6.8 | % |  |  | 0.9052 |  |  | $ | 30 |
Total Fair Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 8,873 |

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