0001126975-19-000074 4 1 20190214 20190219 20190219 Guay Edward J 0001676944 4 34 001-16335 19615435 ONE WILLIAMS CENTER, SUITE 2800 TULSA OK 74172 MAGELLAN MIDSTREAM PARTNERS LP 0001126975 4610 731599053 DE 1231 ONE WILLIAMS CENTER, MD 28-1 TULSA OK 74172 918 574 7000 ONE WILLIAMS CENTER, MD 28-1 TULSA OK 74172 WILLIAMS ENERGY PARTNERS L P 20001024 4 1 wf-form4_155061205678030.xml FORM 4