Company: QTIWW
Filing Date: 2025-11-03
Form Type: S-1
Source: 0001628280-25-048373
Chunk: 261

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-11-03
Form: S-1
Chunk 261
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quisitions5 made an additional, unsecured, loan in the principal amount of $66,360 to GigAcquisitions5 (the “ Non-Convertible Working Capital Note ”). The Non-Convertible Working Capital Note was issued to provide the Company with additional working capital and was not deposited into the Trust Account. On February 7, 2024, the Company amended and restated the Non-Convertible Working Capital Note (the “ Second Non-Convertible Working Capital Note ”) to reflect an additional principal amount of $195,887 extended by GigAcquisitions5 to the Company for a collective principal amount under the Second Non-Convertible Working Capital Note of $262,247. The Second Non-Convertible Working Capital Note was issued to provide the Company with additional working capital and was not deposited into the Trust Account. The Company issued the Second Non-Convertible Working Capital Note in consideration for an additional loan from GigAcquisitions5 to fund the Company’s working capital requirements.

#### Extension Note
On August 28, 2023, GigCapital5 issued that certain non-convertible Eleventh Amended and Restated Promissory Note (as amended, the “ Extension Note ”) to GigAcquisitions5 for an aggregate principal amount of $1,560,000. On March 4, 2024, the Company and GigAcquisitions5 agreed to amend and restate the Extension Note to extend the date of maturity until March 4, 2025.

#### QT Imaging Related Agreements

#### QTI Working Capital Note
In July 2020, QT Imaging, Inc. issued a convertible promissory note to Dr. John Klock that was amended on September 1, 2022 and November 14, 2022 (the “ 2022 Klock Note ”), for a principal amount of $2,643,725. In addition, on May 3, 2023, QT Imaging, Inc. issued a promissory note (the “ QTI Working Capital Note ”) to Dr. Klock for a principal amount of $250,000. The QTI Working Capital Note was subsequently amended and restated five times on June 12, 2023 to add an additional principal amount of $100,000, August 15, 2023 to add an additional principal amount of $75,000, August 29, 2023 to add an additional principal amount of $100,000, September 12, 2023 to add an additional principal amount of $75,