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R. Michael Johnson


  • Vice President at Minerals Technologies Inc (MTX), 2015-06-04
  • Vice President at Amcol International Corp (ACO), 2014-05-13
Insider Trading: Purchases See All
Company Symbol Price Amount Relationship Remaning Holdings Date Form 4
ACO $20.90 7,000 Officer 4,054 2011-02-09 Filing
ACO $25.13 915 Officer 3,754 2010-08-20 Filing
ACO $25.74 2,000 Officer 2,012 2010-02-26 Filing
Insider Trading: Sales See All
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
ACO $31.34 10,000 Officer 22,297 2013-06-05 Filing
ACO $30.47 1,201 Officer 22,297 2013-02-22 Filing
ACO $29.01 7,000 Officer 18,398 2012-02-01 Filing
ACO $32.00 7,000 Officer 3,354 2011-03-08 Filing