Company: QTIWW
Filing Date: 2025-11-03
Form Type: S-1
Source: 0001628280-25-048373
Chunk: 402

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-11-03
Form: S-1
Chunk 402
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 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 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 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       |     |   |               4.3 | % |     |   |           4.4 | % |
| Expected annual dividend yield |     |   |                 — | % |     |   |             — | % |

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

#### QT IMAGING HOLDINGS, INC.

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

The activity for the fair value of the Lynrock Lake Warrant during the three and six months ended June 30, 2025 were as follows:

| Beginning balance, January 1, 2025                              |     | Lynrock