Key TakeawaysJana Partners picked up support from another former Lamb Weston executive as the activist investor calls for a shakeup of the frozen potato maker.Jana reported that Jeffery DeLapp, a former president of Lamb Weston now holds 458 voting shares. Jana has a more than 5% stake in the company. Lamb Weston recently replaced its CEO and reported a loss. Jana in response called for a change of the board or sale of the company. Shares of Lamb Weston Holdings (LW) rose Friday after activist investor Jana ...