Company: QTIWW
Filing Date: 2025-01-31
Form Type: S-1/A
Source: 0001628280-25-003316
Chunk: 333

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-01-31
Form: S-1/A
Chunk 333
---
 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 publicly-listed company on March 4, 2024. Upon closing of the transaction