Company: QTIWW
Filing Date: 2025-01-16
Form Type: S-1
Source: 0001628280-25-001723
Chunk: 339

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-01-16
Form: S-1
Chunk 339
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 Outstanding, December 31, 2021                                 |     |                   |     | 3,421,724 |     | $                               | 8.77 |     |                                                      |     | 9.2 |
| Granted                                                        |     |                   |     |   541,208 |     |                                 | 6.50 |     |                                                      |     |     |
| Cancelled                                                      |     |                   |     |   -22,396 |     |                                 | 8.50 |     |                                                      |     |     |
| Outstanding, December 31, 2022                                 |     |                   |     | 3,940,536 |     |                                 | 8.46 |     |                                                      |     | 8.4 |
| Cancelled                                                      |     |                   |     |  -293,615 |     |                                 | 7.90 |     |                                                      |     |     |
| Outstanding, December 31, 2023                                 |     |                   |     | 3,646,921 |     | $                               | 8.50 |     |                                                      |     | 6.9 |
| Vested and exercisable and expected to vest, December 31, 2023 |     |                   |     | 3,433,227 |     | $                               | 8.54 |     |                                                      |     | 6.7 |
| Vested and exercisable, December 31, 2023                      |     |                   |     | 3,371,096 |     | $                               | 8.57 |     |                                                      |     | 6.8 |

<div align='center'>F-21</div>

#### QT IMAGING, INC.

### NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
<div align='center'>For the years ended December 31, 2023 and 2022</div>

The options outstanding and exercisable as of December 31, 2023 were as follows:

| Exercise Prices |       |     | Number Outstanding |     |           |     | Weighted-Average Remaining Contractual Life (years) |     |     |     | Weighted- Average Exercise Price |       |     | Number Exercisable |     |           |     | Weighted- Average Exercise Price |       |
|:----------------|------:|:----|:-------------------|:----|----------:|:----|:----------------------------------------------------|:----|----:|: