Perrigo is facing a High Court row over its insurance coverage for a US securities class action brought by investors against the global healthcare giant. Ten insurance companies, including AIG, Allianz, Chubb, and Lloyds have recently lodged proceedings against the Irish-registered pharmaceutical business which is embroiled in a hefty damages lawsuit in the District of New Jersey. The publicly traded company, along with former executives, are fighting shareholder claims that date back to Mylan’s failed $26 billion hostile takeover bid in November 2015. At the time of Mylan’s unsolicited offer, Perrigo was telling investors that its competitor had substantially underestimated…