Company: QTIWW
Filing Date: 2025-01-28
Form Type: 424B3
Source: 0001844505-25-000016
Chunk: 2

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-01-28
Form: 424B3
Chunk 2
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 the Exchange Act (17 CFR 240.13e-4(c)) |

Securities registered pursuant to Section 12(b) of the Act:

| Title of each class             |     | Trading 
 Symbols |     | Name of each exchange       
 on which registered         |
| Common stock, $0.0001 par value |     | QTI1    |     | The Nasdaq Stock Market LLC |

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 1

1 As set forth in this Current Report, QT Imaging Holdings, Inc. (the “Company”) has received written notice from The Nasdaq Stock Market LLC (“Nasdaq”) the that it has commenced proceedings to delist the Company’s common (ticker symbol: QTI) from Nasdaq, and suspended trading in the Company’s common stock pending the completion of such proceedings. As a result, effective January 28, 2025, the Company’s common stock is trading in the over‑the-counter market under the symbol “QTIH”.

Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing.

As previously announced in a Current Report filed with the Securities and Exchange Commission (the “SEC”) on May 10, 2024, the Company received a written notice from the Listing Qualifications Department (the “Staff”) of Nasdaq notifying the Company that, for the 30 consecutive business days prior to May 6, 2024, the Company’s Market Value of Listed Securities (“MVLS”) was below the minimum of $50 million required for continued listing on The Nasdaq Global Market pursuant to Nasdaq Listing Rule 5450(b)(2)(A) (the “MVLS Requirement”).

Furthermore, as previously announced in a Current Report filed with the SEC on June 17, 2024, the Staff notified the Company that the minimum bid price of the Company’s common stock had been below $1.00 per share for