Company: QTIWW
Filing Date: 2025-02-05
Form Type: 424B3
Source: 0001628280-25-004061
Chunk: 332

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-02-05
Form: 424B3
Chunk 332
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 |            |     |      |            |
| Cash paid for income taxes                                                                    |     | $    |          — |     | $    |      1,600 |
| Cash paid for interest                                                                        |     |      |      3,004 |     |      |      4,305 |
| Supplemental disclosures of noncash investing and financing activities:                       |     |      |            |     |      |            |
| Fair value of warrants issued with debt                                                       |     | $    |          — |     | $    |      5,066 |
| Purchase of property and equipment included in accounts payable                               |     |      |     12,955 |     |      |          — |
| Equity financing issuance costs included in accrued expenses                                  |     |      |          — |     |      |      8,700 |
| Related party convertible notes payable including accrued interest exchanged for common stock |     |      |    233,644 |     |      |          — |
| Transfer of inventory to property and equipment                                               |     |      |    262,116 |     |      |          — |
| Debt discount included in accounts payable                                                    |     |      |     59,069 |     |      |          — |
| Transfer of accrued interest to current maturities of long-term debt                          |     |      |    635,855 |     |      |          — |

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

F-6</div>

#### QT IMAGING, INC.

### NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
<div align='center'>For the years ended December 31, 2023 and 2022</div>

#### 1.
The Company and Summary of Significant Accounting Policies

#### Nature of Operations
QT Imaging, Inc. (together with its subsidiary, the “Company”) was incorporated on December 31, 2020. The Company is in the business of developing and commercializing medical ultrasound imaging systems. The Company’s initial product is a breast imaging system.

#### Merger Agreement and Related Activities
On December 8, 2022, the Company entered into a definitive business combination agreement (the “Business Combination Agreement”) with GigCapital5, Inc., a publicly traded special purpose acquisition company (“GigCapital5”), and QTI Merger Sub, Inc., a wholly owned subsidiary of GigCapital5 (“Merger Sub”), that resulted in the Company becoming a