Company: QTIWW
Filing Date: 2025-02-05
Form Type: 424B3
Source: 0001628280-25-004061
Chunk: 414

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-02-05
Form: 424B3
Chunk 414
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% for the nine months ended September 30, 2023.

#### 10.

#### Contingencies

#### Litigation
The Company is subject to occasional lawsuits, investigations, and claims arising out of the normal conduct of business. As of the date the condensed consolidated financial statements were available to be issued, management is not aware of any pending claims that will have a material impact on the Company’s condensed consolidated financial statements.

#### 11.

#### Stockholders’ Deficit

#### Common Stock
The Company's common stock trades on the Nasdaq Stock Exchange under the symbol “QTI ” . Pursuant to the terms of the Amended and Restated Certificate of Incorporation, the Company is authorized and has available for issuance 500,000,000 shares of common stock. Immediately following the Merger, there were 21,437,216 shares of common stock outstanding with a par value of $0.0001. The holder of each share of common stock is entitled to one vote.

The Company retroactively adjusted the shares issued and outstanding prior to March 4, 2024 to give effect to the exchange ratio established in the Business Combination Agreement to determine the number of shares of common stock into which they were converted.

<div align='center'>F-56</div>

#### QT IMAGING HOLDINGS, INC.

### Notes to Condensed Consolidated Financial Statements
<div align='center'>(Unaudited)</div>

Common stock reserved for future issuance as of September 30, 2024 is as follows:

| Common stock warrants                             |     | 23,889,364 |
| Potential shares from Pre-Paid Advance            |     | 10,126,981 |
| Merger earnout consideration shares               |     |  9,000,000 |
| Options outstanding under the 2024 Incentive Plan |     |  2,072,000 |
| Options available under the 2024 Incentive Plan   |     |    286,093 |
| Potential shares from Cable Car Loan              |     |    750,000 |
| Potential shares from convertible notes           |     |    250,224 |
|                                                   |     | 46,374,662 |

#### Preferred Stock
The Company is authorized to issue 10,000,000 shares of preferred stock, with a par value of $0.0001, with such designations, voting and other rights and preferences as may be determined from time to time by the Board of Directors. As of