0000950123-09-051928 8-K 2 20091021 2.02 9.01 20091021 20091021 F5 NETWORKS INC 0001048695 3576 911714307 WA 0930 8-K 34 000-26041 091130278 401 ELLIOT AVE WEST STE 500 SEATTLE WA 98119 2062725555 401 ELLIOT AVE WEST STE 500 SEATTLE WA 98119 F5 LABS INC 19990305 8-K 1 v53815e8vk.htm FORM 8-K EX-99.1 2 v53815exv99w1.htm EX-99.1