Company: QTIWW
Filing Date: 2025-11-03
Form Type: S-1
Source: 0001628280-25-048373
Chunk: 262

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-11-03
Form: S-1
Chunk 262
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000, and September 15, 2023 to add an additional principal amount of $50,000, for an aggregate principal amount outstanding as of September 30, 2023 under the QTI Working Capital Note of $650,000. The QTI Working Capital Note was issued to provide the Company with additional working capital during the period prior to consummation of the business combination agreement with GigCapital5, Inc. The QTI Working Capital Note is interest-free and matures on the earlier of (i) the date on which the Company consummates the business combination with GigCapital5, Inc.; (ii) the date the Company winds up; or (iii) December 1, 2023. The QTI Working Capital Note may be prepaid without penalty. On October 26, 2023, the QTI Working Capital Note was amended to increase the outstanding principal amount to $705,000 and extend the potential maturity date from December 1, 2023 to December 31, 2023. In connection with the closing of the Business Combination, the 2022 Klock Note and the QTI Working Capital Note maturity date was extended to July 1, 2025, the Company assumed the obligations under both of these notes, and all security interests and liens in favor of Dr. Klock were removed. In connection with the issuance of the note to Lynrock Lake, on February 26, 2025, the maturity dates on both of these notes held by Dr. Klock were extended to October 21, 2027.

#### QT Imaging Holdings Agreements
Dr. Klock has previously operated a medical practice as a sole proprietorship under the name QT Imaging Center (the “ Practice ”), where, among other things, patients can receive scans using a QT Breast Scanner. Dr. Klock retired effective December 31, 2024, and notified the Company that he is no longer operating the Practice, which since that time, has been run by a different party that is not affiliated with the Company, but that the Company understands Dr. Klock has an economic interest.

#### Data Use and License Agreement
On April 3, 2024, the Company entered into a Data Use and License Agreement with the Practice, that conducts a medical practice and provides medical services, pursuant to which the Company was granted a license to use and disclose certain de-identified health information, as has been de-identified by the Practice in accordance with

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