Company: QTIWW
Filing Date: 2025-09-02
Form Type: 8-K/A
Source: 0001844505-25-000121
Chunk: 1

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-09-02
Form: 8-K/A
Chunk 1
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 Symbols |     | Name of each exchange 
 on which registered   |
| None                |     | N/A     |     | N/A                   |

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company x

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

#### Introductory Note
This Amendment No. 1 to Current Report on Form 8-K/A (“ Amendment No. 1 ”) amends the Current Report on Form 8-K of QT Imaging Holdings, Inc. (the “ Company ”), filed on August 28, 2025 (the “ Original Report ”), in which the Company reported, among other events, the resignation of the Company’s Chief Financial Officer.

This Amendment No. 1 is being filed is being filed to include the (a) Separation Agreement and Release by and between the Company and Anastas Budagov and (b) Consulting Agreement by and between the same parties.

This Amendment No. 1 does not amend any other item of the Original Report or purport to provide an update or discussion of any developments at the Company subsequent to the filing date of the Original Report. The information previously reported in or filed with the Original Report is hereby incorporated by reference into this Amendment No. 1.

Item 5.02 Departure of Directors or Certain Officer; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

#### Resignation of Officer
On August 22, 2025, Anastas Budagov informed the board of directors (the “ Board ”) of the Company that he is resigning from his position as Chief Financial Officer, effective as of August 29, 2025. As this is not a resignation for which he is entitled to severance pursuant to his employment agreement with the Company, as previously disclosed by the Company, Mr. Budagov will not be receiving any severance. However, in connection with Mr. Budagov’s resignation, the Company and Mr. Budagov negotiated a separation and release agreement (the