It's been almost six years since San Jose, California-based Quantum Corp.'s reported financial information avoided triggering a deal with a shareholder and two directors since the company reached a settlement in a related federal securities case.

That's part of the main reason, attorneys for Quantum and its former CEO and chairman argued at a motion to dismiss hearing Monday before Chancellor Kathaleen McCormick, activist investor Starboard can't be allowed to bring up the same information in the Court of Chancery now.