X0305 4 2012-06-20 0 0001474735 GENERAC HOLDINGS INC. GNRC 0001482990 Tabat Dawn C/O GENERAC HOLDINGS INC. P.O. BOX 8 WAUKESHA WI 53189 0 1 0 0 Chief Operating Officer Common Stock, par value $0.01 per share 2012-06-20 4 S 0 20000 26.13 D 1335483 D The price reported is the weighted average price. The shares were sold pursuant to the terms of a trading plan, adopted March 14, 2012, under Rule 10b5-1 by Ms. Tabat. The shares were sold in multiple transactions at prices ranging from $25.81 to $26.35, inclusive. The reporting person undertakes to provide the SEC, the issuer and any security holder full information regarding the number of shares and the prices at which the shares were sold. /S/Aaron Jagdfeld, Attorney-in-fact 2012-06-21