Company: QTIWW
Filing Date: 2025-12-31
Form Type: 424B3
Source: 0001628280-25-059235
Chunk: 355

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-12-31
Form: 424B3
Chunk 355
---
 of $36,194, and accrued interest of $50,037. Interest expense, including amortization of debt issuance costs, for the years ended December 31, 2024 and 2023 was $88,692 and $340,758, respectively.

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 was converted into 119,756 and 33,334 shares of common stock, respectively. Additionally, warrants to purchase 5,440 shares of the Company's common stock were net settled into 1,865 shares of common stock.

#### Bridge Loan
In November 2023, the Company entered into a Securities Purchase Agreement and raised a private secured convertible bridge financing in the aggregate amount of $1,000,000 (“Bridge Loan”) from five investors (“Bridge Lenders”). Each Bridge Loan of $200,000 bore no interest but had a cash option value at the date of 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 Combination as defined in Note 1. The Bridge Loan conversion price was at $6.00 per share on a post-business combination. On March 4, 2024, four of the five Bridge Loan holders elected the cash option and were paid an aggregate of $960,000 on the Merger Date. Interest expense related to the payment premium was $160,000 for the year ended December 31, 2024.

As of December 31, 2024, there was no amount outstanding for the Bridge Loan. As of December 31, 2023, the outstanding amount of the Bridge Loan, excluding the US Capital Note, was $774,337, net of unamortized debt issuance costs of $25,663. Interest expense from the amortization of debt issuance costs for the years ended December 31, 2024 and 2023 was $25,663 and $21,592, respectively.

#### Yorkville Pre-Paid Advance
On March 4, 2024, the Company received the Pre-Paid Advance of $10,000,000 from Yorkville and issued Yorkville the Yorkville Note in the amount of $10,000,000 for such Pre-Paid Advance that was originally due 15 months from the date of issuance, and interest shall accrue on the outstanding balance