Track insider trading activity from Berkshire Hathaway executives and directors. Key figures include Chairman and CEO Warren E. Buffett, Vice Chairman of Non-Insurance Operations Gregory E. Abel, and Vice Chairman of Insurance Operations Ajit Jain. Other notable insiders are Senior Vice President and CFO Marc D. Hamburg and VP, Controller, and Principal Accounting Officer Daniel J. Jaksich, along with a board of directors that includes Susan L. Decker and Kenneth I. Chenault. Insiders at Berkshire Hathaway, including the company itself as a major shareholder, generally engage in both buying and selling of the company's stock.