Company: QTIWW
Filing Date: 2025-11-03
Form Type: S-1
Source: 0001628280-25-048373
Chunk: 411

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-11-03
Form: S-1
Chunk 411
---
   |     3,929,797 |     |   |         3,882,980 |
| Less: accumulated depreciation |     |          |             |   |    -3,763,121 |     |   |        -3,687,197 |
|                                |     |          |             | $ |       166,676 |     | $ |           195,783 |

Depreciation expense was $ 38,293and $ 42,233for the three months ended June 30, 2025 and 2024, respectively. Depreciation expense was $ 75,924and $ 94,636for the six months ended June 30, 2025 and 2024, respectively.

#### 6. Balance Sheet Details
Prepaid expenses and other current assets consisted of the following as of June 30, 2025 and December 31, 2024:

|                         |     |   | June 30, 2025 |     |   | December 31, 2024 |
|:------------------------|:----|:--|--------------:|:----|:--|------------------:|
| Prepaid insurance       |     | $ |       268,240 |     | $ |           179,143 |
| Other receivable        |     |   |       665,165 |     |   |           131,865 |
| Deferred issuance costs |     |   |       157,685 |     |   |                 — |
| Other                   |     |   |       652,214 |     |   |           205,544 |
| Total                   |     | $ |     1,743,304 |     | $ |           516,552 |

<div align='center'>F-67</div>

#### QT IMAGING HOLDINGS, INC.

### Notes to Condensed Consolidated Financial Statements
<div align='center'>(Unaudited)</div>

Accrued expenses and other current liabilities consisted of the following as of June 30, 2025 and December 31, 2024:

|                         |     |   | June 30, 2025 |         |     |   | December 31, 2024 |         |
|:------------------------|:----|:--|--------------:|--------:|:----|:--|------------------:|--------:|
| Accrued legal           |     | $ |     1