>Its primary purpose is to increase the efficiency and fairness of the securities market for the benefit of investors, corporations, and the economy by accelerating the receipt, acceptance, dissemination, and analysis of time-sensitive corporate information filed with the agency. source: http://www.sec.gov/edgar/aboutedgar.htm
"Delaying" the filing of required disclosures makes it more difficult for investors and potential investors to make informed decisions, and possibly defeats the purpose of requiring its disclosure in the first place.