[4] On August 30, 2010, 3M announced they had acquired Cogent Systems for $943M.
[5] On September 2, 2010, Steven Davidoff Solomon of the New York Times wrote about three of Cogent's shareholders objecting to what they considered 3M's low purchase offer.
[6] On December 9, 2016, Gemalto announced they had purchased 3M's Identity Management Business (which includes Cogent Systems, Inc., Document Reader, and Secure Materials Business) for US$850 million.
[7] On May 1, 2017, 3M announced the completion of the sale of its identity management business to Gemalto.
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