Company: GDSTR
Filing Date: 2025-08-05
Form Type: S-4/A
Source: 0001213900-25-071731
Chunk: 374

Company: Goldenstone Acquisition Ltd.
Filing Date: 2025-08-05
Form: S-4/A
Chunk 374
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feited                        |     |  (100,000 | ) |     |          | 0.29 |     |         — |     |           | — |
| Outstanding at March 31, 2024    |     | 7,536,687 |   |     | $        | 0.29 |     |       7.2 |     | $         | — |
| Exercisable at March 31, 2024    |     | 4,712,168 |   |     | $        | 0.29 |     |       6.3 |     | $         | — |

Total non -cashstock compensation expense charged against income from continuing operations for the three months ended March 31, 2025 and 2024 was $211,495 and $265,771, respectively. The table below summarizes the fair value of an option granted in the three months ended March 31, 2025 and 2024 and the assumptions included in the Black -Scholesmodel used to estimate the fair value:

|                                 |     |   |      For the 
 Three months 
        ended 
    March 31, 
         2025 |   |     |   |      For the 
 Three months 
        ended 
    March 31, 
         2024 |   |
|:--------------------------------|:----|:--|-------------:|:--|:----|:--|-------------:|:--|
| Fair value                      |     | $ |         0.98 |   |     | $ |         0.65 |   |
| Exercise price                  |     | $ |         0.29 |   |     | $ |         0.29 |   |
| Risk-free interest rate         |     |   |         4.58 | % |     |   |         4.01 | % |
| Average life of options (years) |     |   |           10 |   |     |   |           10 |   |
| Volatility                      |     |   |        70.00 | % |     |   |        75.00 | % |
| Dividend yield                  |     |   |            0 | % |     |   |            0 | % |

F-44 INFINTIUM FUEL CELL SYSTEMS, INC.
NOTES TO FINANCIAL STATEMENTS
(Unaudited) NOTE 13 — EQU