0001181431-08-029971 4 1 20080508 20080508 20080508 Stein A William 0001307117 4 34 001-32336 08815574 (650) 233-3600 DIGITAL REALTY TRUST, INC. 2730 SAND HILL ROAD, SUITE 280 MENLO PARK CA 94025 Digital Realty Trust, Inc. 0001297996 6798 000000000 MD 1231 560 MISSION STREET SUITE 2900 SAN FRANCISCO CA 94105 (415)738-6500 560 MISSION STREET SUITE 2900 SAN FRANCISCO CA 94105 4 1 rrd205974.xml FORM 4 FOR BILL STEIN