Company: QTIWW
Filing Date: 2025-11-03
Form Type: S-1
Source: 0001628280-25-048373
Chunk: 150

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-11-03
Form: S-1
Chunk 150
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 30, 2025, the outstanding amount of the Lynrock Lake Term Loan was $71,601 net of the unamortized debt discount of $10,028,399, and accrued interest of $350,229.

On August 26, 2025, the Company and Lynrock Lake entered into the Lynrock Amended Credit Agreement to add Tranche B to the loan and increase the aggregate principal amount of the Lynrock Lake Term Loan to $15.1 million. The proceeds of Tranche B were used to repurchase the Yorkville Warrant for an aggregate price of $5.0 million.

On October 6, 2025, the Company repaid the Tranche B loan in the amount of $5.0 million, plus accrued interest and a 6% premium.

#### Related Party Convertible Notes Payable
In July 2020, we issued three convertible notes to three of its stockholders for advances up to $3,500,000 in principal (the “ 2020 Notes ”) and bearing annual interest of 5% on any amounts drawn. An additional note was issued in March 2022 as part of the 2020 Notes, but with an annual interest rate of 8%. All principal and interest payments are due on or before July 1, 2025. The 2020 Notes are convertible, at the holder’s option, into shares of Common Stock at the lower of $43.77 per share or the offering price in a financing of at least $5,000,000 in equity from unaffiliated parties. As of June 30, 2025 , an aggregate of 86,351 shares of Common Stock would be issued if the entire principal and interest under the 2020 Notes was converted. In connection with the issuance of the Lynrock Lake Term Loan, on February 26, 2025, the maturity date on the these convertible notes was extended to October 21, 2027.

As of June 30, 2025 and December 31, 2024, the outstanding amount of the 2020 Notes was $3,143,725 and accrued interest of $635,815 and $550,430, respectively.

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#### Related Party Working Capital Loan
On May 3, 2023, we issued a promissory note (the “ Working Capital Note ”) to a stockholder for a principal amount of $250,000. The Working Capital