Company: QTIWW
Filing Date: 2025-02-05
Form Type: 424B3
Source: 0001628280-25-004061
Chunk: 364

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-02-05
Form: 424B3
Chunk 364
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,200, respectively. As of December 31, 2023 and 2022, there were no amounts due to or due from the Practice.

#### Deferred Revenue
In July 2023, an order was placed and a downpayment of $200,000 was made for a breast imaging system by 303 Development Corporation (the “Foundation”). The executive director of the Foundation is a current investor and board member of the Company. In September 2023, an additional $100,000 was paid towards the purchase.

<div align='center'>F-25</div>

#### QT IMAGING, INC.

### NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
<div align='center'>For the years ended December 31, 2023 and 2022</div>

#### 14.

#### Subsequent Events
Subsequent events were evaluated through March 22, 2024, which is the date the consolidated financial statements were available to be issued.

#### Merger Agreement and Related Activities
In February 2024, GigCapital5 and the Company (together the “parties”) entered into a subscription agreement with William Blair & Co., L.L.C. (“William Blair”) for the purchase of shares of common stock of the Company. Pursuant to the subscription agreement, the Company issued to William Blair in satisfaction of certain fees owed to William Blair for its services to the parties, that number of shares of the Company which at the completion of the Business Combination would be converted in accordance with the terms of the Business Combination Agreement into 740,000 shares of QTI Holdings common stock.

In February 2024, the parties agreed to amend one of the September 2023 Non-Redemption Agreements, pursuant to which, and in addition to the QT Holdings common stock issuable Mizuho Securities USA, LLC (“Mizuho”) under the September 2023 Non-Redemption Agreement, Mizuho shall receive from the Company, in exchange for $250,000 of services rendered by Mizuho, that number of Company’s common stock that will be converted in accordance with the terms of the Business Combination Agreement into 100,000 shares of QTI Holdings common stock.

In February 2024, the Company and GigCapital5 entered into two additional subscription agreements with each of Donnelley Financial Solutions, LLC (“DFIN”) and IB Capital LLC (“iBankers”), dated as of February 23, 2024 and February 22, 2024, respectively (together,