Company: QTIWW
Filing Date: 2025-12-29
Form Type: S-1/A
Source: 0001628280-25-058960
Chunk: 385

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-12-29
Form: S-1/A
Chunk 385
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31, 2024;9,666,567and8,931,104shares issued and outstanding as of September 30, 2025 and December 31, 2024, respectively(1) |     |   |                967 |     |   |               893 |
| Additional paid-in capital(1)                                                                                                                                                                                                 |     |   |         42,558,037 |     |   |        22,401,350 |
| Accumulated deficit                                                                                                                                                                                                           |     |   |        -51,635,448 |     |   |       -31,940,527 |
| Total stockholders’ deficit                                                                                                                                                                                                   |     |   |         -9,076,444 |     |   |        -9,538,284 |
| Total liabilities and stockholders’ deficit                                                                                                                                                                                   |     | $ |         12,120,941 |     | $ |         6,086,673 |

__________________

(1) Share amounts as of December 31, 2024 differ from those published in prior consolidated financial statements as they were retrospectively adjusted as a result of the Reverse Stock Split (as described below in Note 1, The Company and Summary of Significant Accounting Policies). Specifically, the number of shares of common stock outstanding during periods before the Reverse Stock Split are divided by the exchange ratio of 3:1, such that each three shares of common stock were combined and reconstituted into one share of common stock effective October 23, 2025.

<div align='center'>The accompanying notes are an integral part of these condensed consolidated financial statements.

F-49</div>

#### QT IMAGING HOLDINGS, INC.
<div align='center'>Condensed Consolidated Statements of Operations and Comprehensive Loss

For the Three and Nine Months Ended September 30, 2025 and 2024

(Unaudited)</div>

|                                                                                                            |     | 2025 | Three Months Ended 
      September 30, |           |     | 2024 |            |           |     | 2025 | Nine Months Ended 
     September 30, |           |     | 2024 |             |           |
|:-----------------------------------------------------------------------------------------------------------|:----|:-----|-------------------:|----------:|:----|:-----|-----------:|----------:|:----|:-----|------------------:|----------:|:----|:-----|------------:|----------:|
| Revenue                                                                                                    |     | $    |