This document provides the 2012 SEC regulatory filing calendar. It lists the federal holidays and SEC weekday holidays for which no EDGAR filings can be submitted. It also provides the filing deadlines for various SEC forms like 10-K, 10-Q, 13F, and 13G for large, accelerated, and non-accelerated filers. Additional EDGAR filing dates are also included for public companies filing forms like 3, 4, 5, 13D, and proxy statements. International filing deadlines are listed as well.