0001181431-08-068278 4 1 20081216 20081218 20081218 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 Mills Joshua Ananda 0001325876 4 34 001-32336 081258593 (415) 508-2842 200 PAUL AVENUE, SUITE 501 SAN FRANCISCO CA 94124 4 1 rrd226986.xml FORM 4 FOR JOSHUA MILLS (CONVERSION AND SALE)