Company: QTIWW
Filing Date: 2025-12-31
Form Type: 424B3
Source: 0001628280-25-059235
Chunk: 262

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-12-31
Form: 424B3
Chunk 262
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daq equals or exceeds $34.50 per share (as adjusted for stock splits, stock dividends, reorganizations, recapitalizations and the like occurring after the closing) for any twenty trading days within any thirty consecutive trading day period commencing at least ninety days after the closing Date; and (c) subsequent to the closing, the date on which the Company completes a liquidation, merger, stock exchange or other similar transaction that results in all of the Company’s stockholders having the right to exchange their Company securities for cash, securities or other property. The restrictions on transfer under the Lock-Up Agreement expired on September 4, 2024.

#### Working Capital Notes
On December 13, 2023, GigCapital5 issued that certain Eleventh Amended and Restated Working Capital Note (the “Working Capital Note”) to GigAcquisitions5 for an aggregate principal amount of $1,500,000, the terms of which provide that GigAcquisitions5 may elect to convert the Working Capital Note, at a price of $10.00 per unit, into units identical to the private placement units issued in connection with GigCapital5’s initial public offering. In connection with the closing, (i) GigAcquisitions5 elected to partially convert (the “Conversion”) $943,640 in principal balance outstanding under the Working Capital Note into 31,455 shares of Common Stock and GigAcquisitions5’s private warrants of the Company for the purchase of 31,455 shares of Common Stock, and (ii) the Company repaid the remaining principal balance of $556,360 to GigAcquisitions5 concurrently with the Conversion, such that the Company’s obligations under the Working Capital Note have been satisfied in full. In

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addition, on December 13, 2023, GigAcquisitions5 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