Company: QTIWW
Filing Date: 2025-01-31
Form Type: S-1/A
Source: 0001628280-25-003316
Chunk: 349

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-01-31
Form: S-1/A
Chunk 349
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 $            | 2,140,431 |     | $            | 90,139 |     |             |     | 0.50 Years |

Intangible assets, net consisted of the following as of December 31, 2022:

|         |     | Useful 
 Life   |     |          |     | Gross Carrying 
 Value          |           |     | Accumulated  
 Amortization |           |     | Net Carrying 
 Value        |         |     | Useful Life 
 Remaining   |     |            |
|:--------|:----|:-------|:----|:---------|:----|:---------------|----------:|:----|:-------------|----------:|:----|:-------------|--------:|:----|:------------|:----|:-----------|
| Patents |     |        |     | 12 Years |     | $              | 2,230,570 |     | $            | 1,954,550 |     | $            | 276,020 |     |             |     | 1.50 Years |

Amortization expense was $ 185,881for each of the years ended December 31, 2023 and 2022.

As of December 31, 2023, future amortization is as follows:

#### 5.

#### Accrued Expenses
Accrued expenses consisted of the following as of December 31:

|                  |     |   |    2023 |     |   |    2022 |
|:-----------------|:----|:--|--------:|:----|:--|--------:|
| Accrued vacation |     | $ |  55,683 |     | $ |  91,125 |
| Accrued wages    |     |   |  65,173 |     |   |  80,904 |
| Accrued legal    |     |   |  24,729 |     |   |  79,691 |
| Accrued interest |     |   |  50,037 |     |   |       — |
| Other            |     |   | 174,029 |     |   | 116,646 |
| Total            |     | $ | 369,651 |     | $ | 368,366 |

#### 6.

#### Long-Term Debt
Paycheck Protection Program Loan

On February 24, 2021 and May