0001127602-17-012517 4 1 20170320 20170321 20170321 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 17703710 C/O METALDYNE PERFORMANCE GROUP INC. 47659 HALYARD DRIVE PLYMOUTH MI 48170 4 1 form4.xml PRIMARY DOCUMENT