Company: QTIWW
Filing Date: 2025-02-05
Form Type: 424B3
Source: 0001628280-25-004061
Chunk: 394

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-02-05
Form: 424B3
Chunk 394
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y) the Company achieves clinical-quality patient images with the Company’s open angle scanner no later than the filing date of the Quarterly Report on Form 10-Q for the third quarter of 2025.

2026 Earnout Shares

Promptly following the date on which the Company files its Quarterly Report on Form 10-Q with respect to its fiscal quarter ended September 30, 2026 with the SEC, an aggregate of 2,500,000 Merger Consideration Earnout

<div align='center'>F-45</div>

#### QT IMAGING HOLDINGS, INC.

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

Shares (the “2026 Earnout Shares”) will be issued to QT Imaging’s former stockholders if, and only if, during the twelve months ended September 30, 2026, (A) the Company has revenue of at least $30,000,000 as set forth in the condensed consolidated financial statements included in the periodic reports filed by the Company with the SEC with respect to such twelve month period, or (B) the VWAP of shares of common stock equals or exceeds $15.00 per share for twenty (20) of any thirty (30) consecutive trading days on the Nasdaq exchange; provided, that the 2026 Earnout Shares shall increase by 500,000 (to an aggregate of 3,000,000) Merger Consideration Earnout Shares if at least one of the following milestones is achieved on or prior to such filing date: (x) the Company has obtained a formal FDA clearance of its open angle scanner, which remains in full force and effect as of such filing date; or (y) the Company receives net positive results in bona fide clinical trials, conducted in accordance with generally accepted industry standards, for its open angle scanner, as reported no later than the filing date of the Quarterly Report on Form 10-Q for the third quarter of 2026.

The Company recorded a liability of $700,000 related to the Merger Earnout Consideration Shares within the condensed consolidated balance sheet as of September 30, 2024. See Note 3.

#### 3.

#### Fair Value Measurements
The fair value of the Company’s financial assets and liabilities reflects management’s estimate of amounts that the Company would have received in connection with the sale of the assets or paid in connection with the transfer of the liabilities in an orderly transaction between market participants at the measurement date. In connection