0001127602-17-014259 4 1 20170404 20170405 20170405 Metaldyne Performance Group Inc. 0001616817 3714 471420222 DE 1231 ONE TOWNE SQUARE SUITE 550 SOUTHFIELD MI 48076 248-727-1800 ONE TOWNE SQUARE SUITE 550 SOUTHFIELD MI 48076 Thanopoulos George 0001576030 4 34 001-36774 17741556 C/O METALDYNE PERFORMANCE GROUP INC. 47659 HALYARD DRIVE PLYMOUTH MI 48170 4 1 form4.xml PRIMARY DOCUMENT