A judge dismissed MassMutual Financial Group's attempt to nullify a subpoena from Massachusetts Secretary of State William Galvin that sought information on the insurance firm's firing of CEO Robert O'Connell, the Boston Globe reports.

But Judge Constance Sweeney did not rule on the validity of Galvin's subpoena, the newspaper said, and left the door open for MassMutual to refile the petition to void it. MassMutual had argued that Galvin does not have jurisdiction over the matter because MassMutual is not publicly traded and is owned by its policyholders.

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