Company: QTIWW
Filing Date: 2025-02-05
Form Type: 424B3
Source: 0001628280-25-004061
Chunk: 171

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-02-05
Form: 424B3
Chunk 171
---
 the Note up to six months after the inception of the Note unless extensions for advances were mutually agreed between both parties. The Note bore interest at 12% per annum on any amounts drawn with a maturity date of July 6, 2024. The Note was collateralized by all our assets and was guaranteed by QT Labs. The terms of the Note include non-financial covenants and, as of March 4, 2024 when the Note converted, we were in compliance with those covenants. Through December 31, 2023, we issued warrants in connection with the note to purchase a total of 5,091 shares of common stock which 3,540 shares were exercisable at a price of $12.40 per share and 1,551 shares were exercisable at a price of $11.67 per share. On March 4, 2024, these warrants were terminated in accordance with the Business Combination Agreement.

The Note was convertible, at our option, before the Note matured upon the closing of a single transaction or a series of transactions with a minimum of $15,000,000 of cash proceeds raised in the aggregate. If elected, the conversion price is 90% of the price per share in the qualified financing.

As of December 31, 2023, the total Note and US Capital Note balance was $3,294,659 net of unamortized debt issuance costs of $36,194, and accrued interest of $50,037.

On March 4, 2024, the Note principal and related accrued interest balance of $3,233,388 and the US Capital Note principal balance of $200,000 (as further discussed below under the Bridge Loan section) was converted into 359,266 and 100,000 shares of our common stock, respectively. Additionally, warrants to purchase 16,320 shares of our common stock were net settled into 5,594 shares of our common stock.

#### Bridge Loan
In November 2023, we entered into a Securities Purchase Agreement and raised the private secured Bridge Loan in the aggregate amount of $1,000,000 from five investors.

Each Bridge Loan of $200,000 bore no interest but had a cash option value at the date maturity of 120%, or $240,000, of the Bridge Loan at each Bridge Lender’s option. The maturity date was the closing date of the Business

<div align='center'>107</div>

Combination as defined in Note 1