Executive summary of shareholder activism trends from 2006 to 2008 using an empirical study of SEC SC 13D disclosures. This SEC filing applies to all persons and institutions that take a 5% or greater stake in an issuer and reserve the right to influence management. Key findings: 1) Activist shareholders expressing concern over share prices was 5 times greater in 2008 and 2007 than in 2006. 2) Activists disagreeing with management on actions and strategy increased substantially. 3) Activists alleging management provided misleading information and seeking greater influence and change in the composition of company boards also increased substantially. Full details and analysis are in the report.