X0609 4 2026-03-20 0001844505 QT IMAGING HOLDINGS, INC. QTI 0001685730 Jennings Jay Walter false QT IMAGING HOLDINGS, INC. 3 HAMILTON LANDING SUITE 160 NOVATO CA 94949 0 1 0 0 Chief Financial Officer 0 Common Stock 2026-03-20 4 A 0 2800 0.00 A 2800 D Subject to the Reporting Person's continued service to QT Imaging Holdings, Inc. (the "Company"), one-third of the Restricted Stock Unit ("RSU") shall vest on May 15, 2027, and the remaining two-thirds will vest in eight equal quarterly installments on each subsequent August 15, November 15, February 15, and May 15, such that the grant will be fully vested on May 15, 2029; all RSUs shall immediately vest in the event of a Change of Control (as defined in the QT Imaging Holdings, Inc. 2024 Equity Incentive Plan) of the Company. /s/ Jay Walter Jennings 2026-03-24