FORM 10-K

Company

F5, INC.

Filed

November 22, 2011

Period of Report

September 30, 2011

Accession Number

0001193125-11-318885

A 10-K is a company's comprehensive annual report, required by the SEC. It includes audited financial statements, a description of the business, risk factors, and management's discussion of results. Learn more about 10-K filings →