0001213900-23-070934 DEFA14A 1 20230825 20230825 Workhorse Group Inc. 0001425287 3711 261394771 NV 1231 DEFA14A 34 001-37673 231208737 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 ea184248-defa14a_workhorse.htm DEFINITIVE ADDITIONAL MATERIALS