Company: QTIWW
Filing Date: 2025-11-03
Form Type: S-1
Source: 0001628280-25-048373
Chunk: 369

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-11-03
Form: S-1
Chunk 369
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 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 $ 75,000, September 15, 2023 to add an additional principal amount of $ 50,000, and October 26, 2023 to add an additional principal amount of $ 55,000, for an aggregate principal amount outstanding as of December 31, 2024 under the Working Capital Note of $ 705,000. The 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. The Working Capital Note is interest-free and originally matured on the earlier of (i) the date on which the Company consummated the Business Combination with GigCapital5; (ii) the date the Company winds up; or (iii) December 31, 2023. The Working Capital Note may be prepaid without penalty. On March 4, 2024, the holder of the Working Capital Note agreed to extend and subordinate the promissory note pursuant to and in accordance with the terms of the Business Combination

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#### QT IMAGING HOLDINGS, INC.

### Notes to Consolidated Financial Statements
Agreement. Effective on the Closing of the Business Combination, the Working Capital Note cannot be repaid prior to the repayment or conversion of the Yorkville Note received from Yorkville (see Note 8).

On March 4, 2024, the Company assumed the $ 1,560,000outstanding debt balance due to a related party (the “Extension Note”) pursuant to the Business Combination Agreement. The Extension Note did not bear any interest and could not be repaid prior to the repayment of the Yorkville Note received from Yorkville. On November 22, 2024, the Extension Note was cancelled in its entirety in exchange for the purchase of 890,411shares of common stock at a purchase price of $ 1.752per share and issuance of 890,411of PIPE Warrants with exercise price of $ 2.016per share.

Private Placement

On November 12, 2024, the Company and certain board members entered into the Securities Purchase Agreement for