The SEC proposed tightening the rules that...

The SEC proposed tightening the rules that govern stock trading by corporate officers and other so-called insiders. Since 1934, federal regulations have required corporate officers and directors to disclose publicly whenever they buy or sell stock in their own company. The commission, by a 3-0 vote, invited public comment for 90 days on what would be the first major change to the rules since they were established to prevent “insiders” from gaining advantage from information not available to all stockholders.