Company: QTIWW
Filing Date: 2025-02-05
Form Type: 424B3
Source: 0001628280-25-004061
Chunk: 435

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-02-05
Form: 424B3
Chunk 435
---
 of the Offering, the Company consummated the closing of a private placement sale (the “Private Placement”) to the Company’s sponsor GigAcquisitions5, LLC, a Delaware limited liability company (the “Founder” or “Sponsor”), of 795,000 units (the “Private Placement Units”), at a price of $10.00 per Private Placement Unit. The Private Placement generated aggregate gross proceeds of $7,950,000.

Following the closing of the Offering, net proceeds in the amount of $225,400,000 from the sale of the Units and proceeds in the amount of $6,900,000 from the sale of Private Placement Units, for a total of $232,300,000, were placed in a trust account (the “Trust Account”), which is described further below.

Transaction costs amounted to $13,193,740, consisting of $4,600,000 of underwriting fees, $9,200,000 of deferred underwriting fees for the Underwriters, and $843,740 of offering costs, of which $25,000 remains in accounts payable as of December 31, 2023, partially offset by the reimbursement of $1,450,000 of offering expenses by the Underwriters. On March 20, 2023, one of the Underwriters, Wells Fargo, waived all of their portion of the deferred underwriting fees totaling $6,440,000. The Company’s remaining cash after payment of the offering costs will be held outside of the Trust Account for working capital purposes.

#### Extensions
The Company’s initial public offering prospectus and Amended and Restated Certificate of Incorporation provided that the Company initially had until September 28, 2022 (the date which was 12 months after the consummation of the Offering) to complete the Business Combination (the “Combination Period”). On September

<div align='center'>F-70</div>

#### GIGCAPITAL5, INC.

### Notes to Financial Statements
23, 2022, the Company held a special meeting of its stockholders and the Company’s stockholders approved an amendment to the Company’s Amended and Restated Certificate of Incorporation that extends the date by which the Company must consummate a Business Combination transaction from September 28, 2022 up to March 28, 2023 in one-month extensions (the “Extension”). The Company’s stockholders elected to redeem 18,985,950 shares of the Company’s common stock, par value $0