Company: QTIWW
Filing Date: 2025-12-29
Form Type: S-1/A
Source: 0001628280-25-058960
Chunk: 443

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-12-29
Form: S-1/A
Chunk 443
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 |     -8,805 |     |      |         3,581,122 |     |      |   -199,624 |
| Change in fair value of derivative liability |     |      |                  — |     |      |    -87,200 |     |      |          -101,300 |     |      | -4,800,000 |
| Change in fair value of earnout liability    |     |      |          2,230,000 |     |      |    -50,000 |     |      |         2,070,000 |     |      | -2,970,000 |
| Interest expense, net                        |     |      |            564,725 |     |      |  1,455,306 |     |      |         1,635,014 |     |      |  3,149,315 |
| Income tax expense                           |     |      |                  — |     |      |          — |     |      |             2,782 |     |      |          — |
| Consolidated net loss                        |     | $    |         -4,557,406 |     | $    | -3,619,494 |     | $    |       -19,694,921 |     | $    | -5,496,958 |

__________________

1 I ncludes total salaries, bonuses, employee benefits and stock-based compensation of $ 2,148,939and $ 1,627,803for the three months ended September 30, 2025 and 2024, respectively. Total salaries, bonuses, employee benefits and stock-based compensation were $ 5,537,784and $ 3,765,568for the nine months ended September 30, 2025 and 2024, respectively.

All of the Company’s long-lived assets are located in the United States.

Refer to Note 12, Revenue Recognition, for revenue by geography information.

#### 16.

#### Revised Financial Statements
As previously disclosed in its consolidated financial statements included in the Annual Report on Form 10-K filed for the year ended December 31, 2024, the Company has revised its condensed financial statements as of and for the nine months ended September 30, 2024 to correct a misstatement identified related to the initial recognition of the earnout liability. The Company assessed the materiality of this misstatement in accordance with SEC Staff Accounting Bulletin No. 108 - “Qualifying