Company: QTIWW
Filing Date: 2025-02-05
Form Type: 424B3
Source: 0001628280-25-004061
Chunk: 401

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-02-05
Form: 424B3
Chunk 401
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, 2024 |     | $                    |    320,900 |

#### 4.

#### Inventory
Inventory consisted of the following as of September 30, 2024 and December 31, 2023:

|                 |     |   | September 30, 2024 |     |   | December 31, 2023 |
|:----------------|:----|:--|-------------------:|:----|:--|------------------:|
| Raw materials   |     | $ |          2,600,114 |     | $ |         2,529,364 |
| Work in process |     |   |             74,540 |     |   |         1,627,802 |
| Finished Goods  |     |   |            506,900 |     |   |           261,031 |
| Total           |     | $ |          3,181,554 |     | $ |         4,418,197 |

#### 5.

#### Property and Equipment, Net
Property and equipment, net consisted of the following as of September 30, 2024 and December 31, 2023:

|                                |     |           | Useful Life |   | September 30, 2024 |     |   | December 31, 2023 |
|:-------------------------------|:----|:----------|:------------|:--|-------------------:|:----|:--|------------------:|
| Scanners                       |     | 5 Years   |             | $ |          2,254,548 |     | $ |         3,309,957 |
| Computer and lab equipment     |     | 3-5 Years |             |   |          1,384,307 |     |   |         1,359,491 |
| Leasehold improvements         |     | Various   |             |   |            421,266 |     |   |           421,266 |
| Software                       |     | 3 Years   |             |   |             50,374 |     |   |            40,599 |
| Furniture and fixtures         |     | 7 Years   |             |   |             82,336 |     |   |            82,336 |
|                                |     |           |             |   |          4,192,831 |     |   |         5,213,649 |
| Less: accumulated