X0206 3 2024-03-04 1 0001844505 QT IMAGING HOLDINGS, INC. QTI 0000939568 KLOCK JOHN C JR QT IMAGING HOLDINGS, INC. 3 HAMILTON LANDING SUITE 160 NOVATO CA 94949 1 1 0 0 Chief Executive Officer /s/ John C. Klock, Jr. 2024-03-06