Company: QTIWW
Filing Date: 2025-12-29
Form Type: S-1/A
Source: 0001628280-25-058960
Chunk: 386

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-12-29
Form: S-1/A
Chunk 386
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494 |           |     | $    |       -19,694,921 |           |     | $    | -10,682,460 |           |
| Net loss per share - basic and diluted(1)                                                                  |     | $    |              -0.47 |           |     | $    |      -0.51 |           |     | $    |             -2.09 |           |     | $    |       -1.72 |           |
| Weighted-average number of shares of common stock used in computing net loss per share of common stock (1) |     |      |                    | 9,601,972 |     |      |            | 7,155,505 |     |      |                   | 9,415,349 |     |      |             | 6,245,877 |

__________________

(1) Share and per share amounts for the three and nine months ended September 30, 2024 differ from those published in prior condensed 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-50</div>

#### QT IMAGING HOLDINGS, INC.
<div align='center'>Condensed Consolidated Statements of Stockholders’ Deficit

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

(Unaudited)</div>

|                                                      |     | Common Stock 
 Shares       |     |           |     | Amount |     |   |     | Additional 
 Paid-in    
 Capital    |            |     | Accumulated 
 Deficit     |             |   |     | Total |            |
|:-----------------------------------------------------|:----|:-------------|:----|----------:|:----|:-------|----:|:--|:----|:-----------|-----------:|:----|:------------|------------:|:--|:----|:------|-----------:|
| Balance, July 1, 2025(1)                             |     |              |     | 9