Cooper Cos. said four major shareholders have...

Cooper Cos. said four major shareholders have joined the board and become members of a committee of directors that was recently created to pursue a sale or merger of the company, according to a filing with the Securities and Exchange Commission. The shareholders are three brothers--Bruce, Howard, and Wayne Sturman--and Steven Singer. On May 5, the Palo Alto medical products company said it intended to sell each of the firm’s principal businesses or sell or merge the company as a whole.