As we have posted previously, whether a voting agreement, or so-called drag-along provision, can be successfully enforced to prevent common stockholders from seeking appraisal is an open question in the Delaware courts.  And so it remains, even in the wake of Halpin v. Riverstone National, Inc., (Del. Ch. Feb. 26, 2015), in which the

Like common stockholders, holders of preferred stock may exercise appraisal rights.  The extent of what those rights actually entail, however, may be far more limited than what common shareholders may experience.  As a general rule, preferred stock has the same appraisal rights as common stock, but “[u]nlike common stock, the value of preferred stock is