George Canellos will leave the U.S. regulator later this month
U.S. regulator looking to update rules that dictate what a company must disclose in its filings
The SEC collected a record US$3.4 billion in penalties and other sanctions
Details of their proposals will be set out in rule filings and amendments subject to SEC approval
US$150,000 reward represents 30% of the money collected by the SEC in its enforcement action
Firms agree to US$900,000 in penalties and disgorgement
The firms had been previously warned about compliance deficiencies but failed to effectively act upon those warnings
Startup companies would be able to sell stock over the Internet to small-time investors
Software glitch disrupted markets in August 2012
SEC to publicly share data, research, and analysis as the agency continues its review of equity market structure