Form: EFFECT

Notice of Effectiveness

March 31, 2026

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

Notice of Effectiveness

Effectiveness Date: March 31, 2026
Accession Number: 0001628280-26-020917
Submission Type: POS AM
CIK: 0001844505
Company Name: QT IMAGING HOLDINGS, INC.
File Number: 333-291237