Topic: shareholder lawsuit

Lacking two-fifths of the Spark shares it needs to wrap up its $4.3 billion buyout, Roche extended its $114-per-share offer into next month.

Allegations that AbbVie hired nurse "ambassadors" to boost Humira prescriptions have sparked a second shareholder lawsuit.

Allergan is facing allegations it betrayed shareholder interests by not disclosing details about generic price hikes.

Alleging deception against shareholders by biotech Altor, music icon Cher is suing billionaire Patrick Soon-Shiong and others at the drug developer.

A shareholder is taking it to the company’s current and former execs for “gross mismanagement” and other allegations.