0001213900-23-069378 DEFA14A 1 20230821 20230821 Workhorse Group Inc. 0001425287 3711 261394771 NV 1231 DEFA14A 34 001-37673 231189293 100 COMMERCE DRIVE LOVELAND OH 45140 513-360-4704 100 COMMERCE DRIVE LOVELAND OH 45140 AMP Holding Inc. 20100525 Title Starts Online, Inc. 20080128 DEFA14A 1 ea183988-defa14a_workhorse.htm DEFINITIVE ADDITIONAL MATERIALS