	humana hum declares shareholders rights plan humana inc said its board approved a shareholder rights plan or so called poison pill plan to ensure its shareholders receive fair treatment in the event of a proposed takeover humana said it is now aware of any effort to gain control of the company under the plan its board declared a dividend distribution of one right for each outstanding common share held as of march it said each right entitles holders to purchase a unit of of a share of newly authorizes series a participating preferred at dlrs per unit humana said the rights become effective after an entity uires pct or more of its outstanding common or tenders for pct of its stock after such an uisition then each right entitles holders to purchase securities of the company or an uiring entity having a market value of twice the right s exercise price humana said the rights expire march unless redeemed earlier it said the rights may be redeemed by the company for one ct per right at any time prior to days following a public announcement that a pct position has been uired reuter 
