Company: QTIWW
Filing Date: 2025-11-03
Form Type: S-1
Source: 0001628280-25-048373
Chunk: 367

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-11-03
Form: S-1
Chunk 367
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 |     |      |      76,009 |     |      |     90,104 |
| Gross deferred tax assets             |     |      |  11,275,994 |     |      |  5,499,612 |
| Valuation allowance                   |     |      | -11,016,609 |     |      | -5,155,597 |
| Net deferred tax assets               |     |      |     259,385 |     |      |    344,015 |
| Deferred tax liabilities:             |     |      |             |     |      |            |
| Operating lease right-of-use assets   |     |      |    -259,385 |     |      |   -344,015 |
| Net deferred tax assets (liabilities) |     | $    |           — |     | $    |          — |

As of December 31, 2024, based on the Company’s recent history of losses and its forecasted losses, management believes on the more-likely-than-not basis that a full valuation allowance is required. Accordingly, the

<div align='center'>F-39</div>

#### QT IMAGING HOLDINGS, INC.

### Notes to Consolidated Financial Statements
Company provided a full valuation allowance on its federal and state deferred tax assets. During the years ended December 31, 2024 and 2023, the valuation allowance increased by $ 5,861,012 and $ 1,080,617, respectively. As of December 31, 2024, the Company had federal and state net operating loss (“NOL”) carryforwards of $ 19,790,000and $ 14,375,000respectively. The federal NOL will not expire and the state NOL will begin to expire in 2040.

A reconciliation of the beginning and ending amount of gross unrecognized tax benefits is a follows as of December 31:

|                                                 |     |   |   2024 |     |   |   2023 |
|:------------------------------------------------|:----|:--|-------:|:----|:--|-------:|
| Balance as the beginning of the year            |     | $ | 49,255 |     | $ | 49,255 |
| Increases related to prior year tax positions   |     |   |      — |     |   |      — |
| Increases related to current year tax positions |     |   |      — |     |