Company: QTIWW
Filing Date: 2025-02-05
Form Type: 424B3
Source: 0001628280-25-004061
Chunk: 334

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-02-05
Form: 424B3
Chunk 334
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 shares of stock of the Company in the aggregate amount of $3,000,000 in exchange for that number of shares of the Company which, at the completion of the Business Combination, will be converted in the aggregate into 1,200,000 shares of common stock of QTI Holdings. Each subscriber will also receive that number of shares of common stock of the Company, which, at the completion of the Business Combination, will be exchanged for 50,000 shares of common stock of QTI Holdings.

On November 10, 2023, the Company entered into a Fourth Amendment and Termination Agreement (“Fourth Amendment”) of the private placement agreement dated December 15, 2020 with US Capital Global Securities, LLC (“US Capital”), an affiliate of US Capital Global QT Imaging LLC (“USCG”). In conjunction with this Fourth Amendment, the Company, USCG, and Meteora executed a subordination agreement whereby the Company granted USCG a warrant to purchase 25,000 shares of the Company’s common stock with a strike price of $2.50 in exchange for subordinating their senior secured position to Meteora. US Capital was also issued a $200,000 senior

<div align='center'>F-7</div>

#### QT IMAGING, INC.

### NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
<div align='center'>For the years ended December 31, 2023 and 2022</div>

secured convertible promissory note by the Company as part of the Bridge Loan to terminate the private placement agreement on a go forward basis, a warrant to purchase 35,329 shares of the Company’s common stock with a strike price of $2.50 and was entitled to a commission payable of $20,000 in connection with the Bridge Loan.

On November 15, 2023, the Company entered into a Standby Equity Purchase Agreement with GigCapital5 and YA II PN, Ltd. (“Yorkville”), pursuant to which, upon the closing of the Business Combination, QTI Holdings can sell to Yorkville up to $50.0 million of QTI Holdings’ common stock at QTI Holdings’ request any time during the 36 months following the closing of the Business Combination. In addition, QTI Holdings can also request a pre-paid advance(the “Pre-Paid Advance”) from Yorkville up to an amount of $10.0 million at the closing of the Business Combination in the form of a convertible promissory note. As consideration for the Pre-Paid