Company: QTIWW
Filing Date: 2025-12-31
Form Type: 424B3
Source: 0001628280-25-059235
Chunk: 376

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-12-31
Form: 424B3
Chunk 376
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 2023 were $12,000 and $48,000, respectively. These fees were recorded as a reduction to selling, general and administrative expenses on the consolidated statements of operations and comprehensive loss. During the years ended December 31, 2024 and 2023, there were no significant purchases made by the Practice. As of December 31, 2024 and 2023, there were no significant amounts due from the Practice. This Agreement was terminated and replaced by the Space and Equipment Sublease Agreement on April 17, 2024 and Services Agreement on April 5, 2024.

#### Services Agreement
On April 5, 2024, the Company entered into that certain Services Agreement (the “Services Agreement”) with the Practice dated as of April 1, 2024 pursuant to which the Practice agreed to provide its services to the Company, including but not limited to providing healthcare services to patients, assisting with clinical trials and studies and assisting with drafting of institutional review board approved clinical protocols, assisting with the performance of research and development activities on behalf of the Company, providing comprehensive multi-day training on the operation of breast imaging technology for radiologist customers and other customer staff such as technicians, performing clinical validation of imaging software changes which may include recruiting patients, training personnel on the operation of the Company’s imaging technology, as well as other services as specified in the Services Agreement. The term of the Services Agreement is one year unless earlier terminated and shall auto-renew for successive one-year periods, unless otherwise terminated. During the year ended December 31, 2024, the Company incurred $55,971 in accordance with the Services Agreement. As a result of Dr. Klock's retirement on December 31, 2024, the Services Agreement was terminated.

#### Space and Equipment Sublease Agreement
On April 17, 2024, the Company entered into a Space and Equipment Sublease Agreement (the “Space and Equipment Sublease”) with the Practice, pursuant to which the Practice will sublease certain medical equipment and space, currently leased from Hamilton Landing Novato LLC by the Company, to the Practice for use in its operations, on a full-time and exclusive basis. The Practice shall pay to the Company a $5,666 rental fee (the

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#### QT IMAGING HOLDINGS, INC.

### Notes to Consolidated Financial Statements
“Rent”) for the Subleased Space (as defined in the Space and Equipment Sublease) on a monthly