Company: QTIWW
Filing Date: 2025-12-29
Form Type: S-1/A
Source: 0001628280-25-058960
Chunk: 405

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-12-29
Form: S-1/A
Chunk 405
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 purchased upon exercise of the Lynrock Lake Warrant in the event that the Company issues shares of common stock (or derivative securities) at a price that is either less than the $ 1.20 exercise price or the fair market value of a share of common stock from the immediately prior trading day. On June 11, 2025, the Lynrock Lake Warrant was amended to update the provisions that would trigger cash settlement such that, when such events occur, the holders of the warrants receive the same form of consideration as the underlying stockholders. According to Accounting Standards Codification (“ASC”) 815-40, Derivatives and Hedging: Contracts in an Entities Own Equity , equity classification is permitted for an instrument that requires net-cash settlement if the holders of the contract’s underlying shares receive the same form of consideration in transactions outside the company’s control. Consequently, upon modification, the warrants were revalued and then reclassified to additional paid-in capital on

<div align='center'>F-62</div>

#### QT IMAGING HOLDINGS, INC.

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

the condensed consolidated balance sh eets. The Company determined the fair value of the Lynrock Lake Warrant using the Black-Scholes pricing model.

Significant assumptions used in the valuation of the fair value of the Lynrock Lake Warrant as of issuance on February 26, 2025 and as of modification on June 11, 2025 were as follows:

|                                |     |   | February 26, 2025 |   |     |   | June 11, 2025 |   |
|:-------------------------------|:----|:--|------------------:|:--|:----|:--|--------------:|:--|
| Fair value of common stock     |     | $ |              1.20 |   |     | $ |          1.50 |   |
| Exercise price                 |     | $ |              1.20 |   |     | $ |          1.20 |   |
| Expected warrant term (years)  |     |   |              10.0 |   |     |   |           9.7 |   |
| Expected volatility            |     |   |              51.6 | % |     |   |          39.2 | % |
| Risk-free rate of return       |     |   |