** Shares of healthcare products distributor Henry Schein HSIC.O rise 6.2% to $73.09
** Activist investor Ananym Capital Management is urging Henry Schein to refresh its board, cut costs, tackle succession planning and consider selling its medical distribution business
** Ananym argues that Schein needs new board members and ultimately a new CEO to tackle spending, according to a Reuters report
** Ananym says medical distribution business sale could increase stock price by 20%
** Including session's move, stock down 2.1% YTD
(Reporting by Christy Santhosh)
((Christy.Santhosh@thomsonreuters.com))