Form: EFFECT

Notice of Effectiveness

April 3, 2026

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

Notice of Effectiveness

Effectiveness Date: April 3, 2026 4:00 P.M.
Form: S-3
CIK: 0001844505
Company Name: QT IMAGING HOLDINGS, INC.
File Number: 333-294705