Company: QTIWW
Filing Date: 2025-12-31
Form Type: 424B3
Source: 0001628280-25-059235
Chunk: 437

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-12-31
Form: 424B3
Chunk 437
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holders. As 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 the warrants were revalued and then reclassified to additional paid-in capital on the condensed consolidated balance sheet upon modification. The fair value of the Yorkville Warrant on modification date was $3,589,189.

On August 26, 2025, the Company repurchased the Yorkville Warrant for an aggregate price of $5.0 million.

#### 11.

#### Stock Incentive Plan
Inducement Equity Incentive Plan

On August 22, 2025, the Company adopted the Inducement Equity Incentive Plan (the “Inducement Equity Plan”), which authorizes 108,333 shares of common stock. Options to purchase 108,333 shares of common stock were issued during the three and nine months ended September 30, 2025 at a weighted-average fair value of $1.63 per share. The following table summarizes information regarding activity in the Inducement Equity Plan during the nine months ended September 30, 2025:

| Outstanding, January 1, 2025              |     | Number of 
 Options   |         | — |     | Weighted-      
 Average        
 Exercise Price |    — |      |     | Weighted-Average 
 Remaining        
 Contractual      
 Life (years)     |     |   0 |
|:------------------------------------------|:----|:----------|--------:|:--|:----|:---------------|-----:|-----:|:----|:-----------------|:----|----:|
| Granted                                   |     |           | 108,333 |   |     |                |      | 7.47 |     |                  |     |     |
| Cancelled                                 |     |           |       — |   |     |                |    — |      |     |                  |     |     |
| Outstanding, September 30, 2025           |     |           | 108,333 |   |     | $              | 7.47 |      |     |                  |     | 9.9 |
| Exercisable as of September 30, 2025      |     |           |       — |   |     | $              |    — |      |     |                  |     |   0 |
| Expected-to-vest as of September