Company: QTIWW
Filing Date: 2025-12-31
Form Type: 424B3
Source: 0001628280-25-059235
Chunk: 397

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-12-31
Form: 424B3
Chunk 397
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, exercisable any time after its issuance. The purchase price of each share of common stock was $4.50 (the “Per Share Purchase Price”) and the purchase price for each Pre‑Funded Warrant was $4.4997 (the “Per Pre-Funded Warrant Purchase Price”). Both of these amounts were paid by the Purchasers at the closing of the October 2025 Private Placement. The aggregate gross proceeds to the Company from the October 2025 Private Placement was $18,180,655, before deducting the offering expenses payable by the Company, which expenses consist solely of legal fees and the amounts provided for pursuant to a placement agency agreement In addition, the per share exercise price of each Subscription Warrant is $4.50 and the

<div align='center'>F-56</div>

#### QT IMAGING HOLDINGS, INC.

### Notes to Condensed Consolidated Financial Statements
<div align='center'>(Unaudited)</div>

per share exercise price of each Pre-Funded Warrant is $0.0003. The Company intends to use the net proceeds from the offering for working capital purposes and to repay Tranche B of the Lynrock Lake Term Loan.

The Distribution Agreement between the Company and NXC Imaging, Inc. (“NXC”), as amended on March 28, 2025, (the “Amended NXC Distribution Agreement”) provides the Company with minimum order quantities (“MOQs”) amounting to expected cash inflows of up to $18.0 million in 2025 and $27.0 million in 2026. On March 28, 2025, the Company entered into the Canon Manufacturing Agreement (the “Canon Manufacturing Agreement”) with Canon Medical Systems, Inc. (“CMSC”), which provides the Company the ability to scale manufacturing with favorable payment terms of net 90 days to support the delivery of MOQs under the Amended Distribution Agreement.

On August 21, 2025, the Company entered into a Distribution Agreement (the “Gulf Medical Distribution Agreement”) with Gulf Medical Co. (“GMC”), a corporation organized and existing under the laws of Saudi Arabia, for an initial term of three years. Under the terms of the Gulf Medical Distribution Agreement, the Company shall authorize and grant to GMC the exclusive right to market, advertise and sell the QT Breast Scanners and the Cloud SaaS platform subscriptions in Saudi Arabia, with MOQs amounting to $11.2 million to $12.3 million in 2026