Company: QTIWW
Filing Date: 2025-12-31
Form Type: 424B3
Source: 0001628280-25-059235
Chunk: 142

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-12-31
Form: 424B3
Chunk 142
---
 expense, net                        |     |                        |  -4,497,781 |     |   |   -544,826 |     |        | -3,952,955 |     |     | -726 | %    |
| Loss before income tax expense (benefit)     |     |                        |  -9,000,663 |     |   | -6,097,351 |     |        | -2,903,312 |     |     |  -48 | %    |
| Income tax expense (benefit)                 |     |                        |     -15,783 |     |   |      1,600 |     |        |    -17,383 |     |     |      | N.M. |
| Net loss and comprehensive loss              |     | $                      |  -8,984,880 |     | $ | -6,098,951 |     | $      | -2,885,929 |     |     |  -47 | %    |

__________________

N.M. - Not meaningful

#### Revenue
Revenue increased by $4,838,310 to $4,878,665 for the year ended December 31, 2024 from $40,355 for the year ended December 31, 2023. The increase in revenue was primarily attributable to the sale of eleven QT Breast Scanners in the year of 2024 as compared with no scanners sold in the year of 2023 due to the timing of sales orders received, availability of scanners that were earmarked and ready for sale to customers.

#### Cost of Revenue
Cost of revenue increased by $2,103,832 to $2,238,820 for the year ended December 31, 2024 from $134,988 for the year ended December 31, 2023. The increase in cost of revenue was primarily attributable to the sale of

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eleven QT Breast Scanners in the year of 2024 as compared with no scanners sold in the year of 2023, which was partially offset by inventory write-offs in the year of 2023.

#### Operating Expenses
Research and Development Expenses

Research and development expenses increased by $1,781,704 to $3,267,340 for the year ended December 31, 2024 from $1,485,636 for the year ended December 31, 2023. The increase in research and development expenses was primarily attributable to an