X0201 4 2003-08-13 0 0000908605 CASTELLE \CA\ CSTL 0001254660 HAMBRECHT & QUIST VENTURE PARTNERS C/O JP MORGAN CHASE 560 MISSION STREET SAN FRANCISCO CA 94105 0 0 1 0 Common 2003-08-13 4 S 0 431 3.556 D 41807 D Common 2003-08-14 4 S 0 72 3.58 D 41735 D Common 58250 I ** **As general partner, or investment manager with voting and disposition power. The reporting person disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein. Thomas Szymoniak 2003-08-18