The form that must be filed by an individual (or individuals acting in concert) after acquiring beneficial ownership of 5% or more of any nonexempt equity security.
Report filed with the SEC disclosing beneficial ownership of certain registered securities
Schedule 13D is a required filing (within 10 days) for anyone who acquires beneficial ownership in a public company. Beneficial ownership is defined as one entity holding more than 5% of the company's total shares.