Ron Zwanziger, the former CEO of Alere Inc., announced that he plans to take company private in a deal that values the , diagnostic device and service provider at $3.82 billion. Zwanziger plans to offer a 25% premium of $46 per share for the company's stock. Alere's shares touched $43 in early trading today. Zwanziger said he may rise his offer after a due diligence period.