SEC Form 10-K405

DEFINITION of 'SEC Form 10-K405'

A form used by the Securities and Exchange Commission (SEC) prior to 2003. SEC Form 10-K405 was used to indicate that an officer or director of a company failed to file a Form 4 (or similar Form 3 or Form 5) on time, meaning that they did not disclose their insider trading activities within the required time frame.


Guidelines for reporting insider trading activity is covered under Section 16 of the Securities Exchange Act. Form 10-K405 was eliminated after it was determined that the use of the form by companies was inconsistent and unreliable. The form is no longer accepted by the EDGAR system.