stock buybacks succession investments geico and the alleghany deal are some of the topics that berkshire hathaway ceo warren buffett may address in his eagerly anticipated shareholder letter due for release on saturday morning buffett now 92 has limited his public appearances in recent years and the letter will be his first major communication with berkshire hathaway ticker brkabrkb shareholders since the company’s annual meeting last april the letter will be accompanied by berkshire’s fourthquarter earnings release and annual report they all are expected around 8 am eastern time on saturday