Company: QTIWW
Filing Date: 2025-12-29
Form Type: S-1/A
Source: 0001628280-25-058960
Chunk: 340

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-12-29
Form: S-1/A
Chunk 340
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 at least one of the following milestones is achieved: (x) on or prior to such filing date, the Company has obtained a formal FDA clearance for a new indication for use of its breast scanning systems (other than any indication obtained prior to the beginning of the twelve months ended September 30, 2025), which remains in full force and effect as of such filing date; or (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 833,333Merger Consideration Earnout 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 $ 30,000,000as 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 $ 45.00per share for twenty( 20) of any thirty( 30) consecutive trading days on the Nasdaq exchange; provided, that the 2026 Earnout Shares shall increase by 166,667(to an aggregate of 1,000,000) Merger Consideration Earnout Shares if at least oneof 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

<div align='center'>F-22</div>

#### QT IMAGING HOLDINGS, INC.

### Notes to Consolidated Financial Statements
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 $ 3,670,000related to the Merger Earnout Consideration Shares within the consolidated balance sheet on the date of initial recognition (March 4,