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ACO - As of  04/30/25, 12:46:02 PM:   91 Insider Transactions.

Sector: Basic Materials    Industry: Industrial Metals & Minerals
Prev Close:$0.00  Avg Vol(3m): 0  P/E: 0.00  EPS: 0.92

Email this page to a friend.    Insider Transactions for ACO

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
S 2015-02-04 09:18:44.0 AMCOL INTERNATIONAL CORP ACO M&G INVESTMENT MANAGEMENT LTD 0.0% view
S 2014-04-10 16:23:22.0 AMCOL INTERNATIONAL CORP ACO EARNEST PARTNERS LLC 3.6% view
S 2014-02-14 09:01:32.0 AMCOL INTERNATIONAL CORP ACO EARNEST PARTNERS LLC 6.4% view
S 2014-02-13 12:30:31.0 AMCOL INTERNATIONAL CORP ACO M&G INVESTMENT MANAGEMENT LTD 17.77% view
B 2014-02-07 13:51:07.0 AMCOL INTERNATIONAL CORP ACO PRICE T ROWE ASSOCIATES INC 8.8% view
S 2014-02-04 12:23:26.0 AMCOL INTERNATIONAL CORP ACO VANGUARD SPECIALIZED FUNDS 9.24% view
B 2014-01-28 10:57:51.0 AMCOL INTERNATIONAL CORP ACO BlackRock Inc 7.2% view
B 2013-03-19 12:34:32.0 AMCOL INTERNATIONAL CORP ACO WEAVER AUDREY L 5.7% view
B 2013-02-14 13:10:10.0 AMCOL INTERNATIONAL CORP ACO VANGUARD SPECIALIZED FUNDS 9.63% view
S 2013-02-13 12:43:37.0 AMCOL INTERNATIONAL CORP ACO EARNEST PARTNERS LLC 6.5% view
S 2013-02-11 09:26:55.0 AMCOL INTERNATIONAL CORP ACO M&G INVESTMENT MANAGEMENT LTD 19.23% view
B 2013-02-08 10:52:55.0 AMCOL INTERNATIONAL CORP ACO PRICE T ROWE ASSOCIATES INC 0.0% view
B 2013-02-06 09:54:40.0 AMCOL INTERNATIONAL CORP ACO BlackRock Inc 6.05% view
S 2013-01-30 08:31:50.0 AMCOL INTERNATIONAL CORP ACO VANGUARD SPECIALIZED FUNDS 9.63% view
S 2013-01-10 14:05:55.0 AMCOL INTERNATIONAL CORP ACO BMO FINANCIAL CORP 1.6% view
B 2012-02-13 15:00:23.0 AMCOL INTERNATIONAL CORP ACO EARNEST PARTNERS LLC 7.3% view
S 2012-02-13 14:47:17.0 AMCOL INTERNATIONAL CORP ACO BlackRock Inc 5.83% view
B 2012-02-10 12:50:07.0 AMCOL INTERNATIONAL CORP ACO PRICE T ROWE ASSOCIATES INC 0.0% view
B 2012-02-09 10:14:19.0 AMCOL INTERNATIONAL CORP ACO M&G INVESTMENT MANAGEMENT LTD 19.4% view
S 2012-02-09 09:08:53.0 AMCOL INTERNATIONAL CORP ACO Weaver Leslie A 13.41% view
S 2012-02-08 13:09:36.0 AMCOL INTERNATIONAL CORP ACO WEAVER PAUL C 11.6% view
S 2012-01-26 14:04:29.0 AMCOL INTERNATIONAL CORP ACO VANGUARD SPECIALIZED FUNDS 9.72% view
S 2012-01-17 15:15:21.0 AMCOL INTERNATIONAL CORP ACO BMO FINANCIAL CORP 10.248% view
S 2011-02-14 06:45:34.0 AMCOL INTERNATIONAL CORP ACO WEAVER PAUL C 11.77% view
S 2011-02-10 07:34:43.0 AMCOL INTERNATIONAL CORP ACO VANGUARD SPECIALIZED FUNDS 9.73% view
S 2011-02-08 10:26:10.0 AMCOL INTERNATIONAL CORP ACO M&G INVESTMENT MANAGEMENT LTD 19.31% view
S 2011-02-07 16:11:00.0 AMCOL INTERNATIONAL CORP ACO KEELEY ASSET MANAGEMENT CORP 4.5% view
S 2011-02-03 12:40:10.0 AMCOL INTERNATIONAL CORP ACO BlackRock Inc 6.03% view
S 2011-01-13 13:56:18.0 AMCOL INTERNATIONAL CORP ACO HARRIS FINANCIAL CORP 10.427% view
S 2010-02-12 16:39:08.0 AMCOL INTERNATIONAL CORP ACO KEELEY ASSET MANAGEMENT CORP 5.7% view
S 2010-02-09 15:34:47.0 AMCOL INTERNATIONAL CORP ACO Weaver Leslie A 13.87% view
S 2010-02-04 12:36:35.0 AMCOL INTERNATIONAL CORP ACO VANGUARD SPECIALIZED FUNDS 9.87% view
B 2010-02-03 11:18:01.0 AMCOL INTERNATIONAL CORP ACO M&G INVESTMENT MANAGEMENT LTD 19.44% view
B 2010-01-29 14:12:09.0 AMCOL INTERNATIONAL CORP ACO BlackRock Inc 6.06% view
S 2010-01-28 13:59:33.0 AMCOL INTERNATIONAL CORP ACO WEAVER PAUL C 12.0% view
S 2010-01-13 16:46:47.0 AMCOL INTERNATIONAL CORP ACO HARRIS FINANCIAL CORP 10.486% view
S 2009-02-12 09:52:26.0 AMCOL INTERNATIONAL CORP ACO VANGUARD SPECIALIZED FUNDS 10.19% view
B 2009-02-10 13:53:00.0 AMCOL INTERNATIONAL CORP ACO VANGUARD SPECIALIZED FUNDS 10.9% view
S 2009-02-09 11:30:32.0 AMCOL INTERNATIONAL CORP ACO HARRIS FINANCIAL CORP 10.545% view
B 2009-02-03 12:08:10.0 AMCOL INTERNATIONAL CORP ACO M&G INVESTMENT MANAGEMENT LTD 19.25% view
B 2009-01-30 12:08:03.0 AMCOL INTERNATIONAL CORP ACO WEAVER PAUL C 12.06% view
S 2009-01-27 11:39:17.0 AMCOL INTERNATIONAL CORP ACO Weaver Leslie A 14.02% view
B 2008-04-07 15:14:43.0 AMCOL INTERNATIONAL CORP ACO VANGUARD SPECIALIZED FUNDS 10.3% view
B 2008-02-14 11:40:11.0 AMCOL INTERNATIONAL CORP ACO KEELEY ASSET MANAGEMENT CORP 5.8% view
B 2008-02-13 10:37:01.0 AMCOL INTERNATIONAL CORP ACO M&G INVESTMENT MANAGEMENT LTD 15.29% view
B 2008-02-13 10:33:59.0 AMCOL INTERNATIONAL CORP ACO M&G INVESTMENT MANAGEMENT LTD 13.96% view
S 2008-02-13 10:26:57.0 AMCOL INTERNATIONAL CORP ACO Weaver Leslie A 14.53% view
B 2008-02-12 08:15:43.0 AMCOL INTERNATIONAL CORP ACO VANGUARD SPECIALIZED FUNDS 7.65% view
S 2008-01-15 12:01:04.0 AMCOL INTERNATIONAL CORP ACO HARRIS FINANCIAL CORP 10.993% view
S 2007-12-04 11:50:54.0 AMCOL INTERNATIONAL CORP ACO M&G INVESTMENT MANAGEMENT LTD 5.15% view
B 2007-10-19 10:53:19.0 AMCOL INTERNATIONAL CORP ACO M&G INVESTMENT MANAGEMENT LTD 10.01% view
S 2007-02-14 12:47:58.0 AMCOL INTERNATIONAL CORP ACO LORD ABBETT & CO LLC 8.05% view
B 2007-02-12 11:40:45.0 AMCOL INTERNATIONAL CORP ACO Weaver Leslie A 14.9% view
B 2007-01-12 13:09:22.0 AMCOL INTERNATIONAL CORP ACO HARRIS FINANCIAL CORP 11.262% view
B 2006-09-08 12:22:17.0 AMCOL INTERNATIONAL CORP ACO LORD ABBETT & CO LLC 10.27% view
B 2006-08-10 00:00:00.0 AMCOL INTERNATIONAL CORP ACO LORD ABBETT & CO LLC 7.32% view
S 2006-03-07 00:00:00.0 AMCOL INTERNATIONAL CORP ACO Weaver Leslie A 13.29% view
B 2006-02-09 00:00:00.0 AMCOL INTERNATIONAL CORP ACO BARCLAYS PLC 0.0% view
S 2006-01-20 00:00:00.0 AMCOL INTERNATIONAL CORP ACO HARRIS FINANCIAL CORP 10.588% view
S 2005-02-14 00:00:00.0 AMCOL INTERNATIONAL CORP ACO BARCLAYS GLOBAL INVESTORS NA 3.49% view
S 2005-01-14 00:00:00.0 AMCOL INTERNATIONAL CORP ACO BANKMONT FINANCIAL CO 10.735% view
B 2004-11-29 00:00:00.0 AMCOL INTERNATIONAL CORP ACO Weaver Leslie A 13.45% view
B 2004-11-29 00:00:00.0 AMCOL INTERNATIONAL CORP ACO Weaver Annamarie 11.85% view
S 2004-02-17 00:00:00.0 AMCOL INTERNATIONAL CORP ACO ADVISORY RESEARCH INC 0.0% view
S 2004-02-17 00:00:00.0 AMCOL INTERNATIONAL CORP ACO BANKMONT FINANCIAL CO 10.961% view
B 2004-02-17 00:00:00.0 AMCOL INTERNATIONAL CORP ACO BARCLAYS GLOBAL INVESTORS NA 4.55% view
S 2004-01-16 00:00:00.0 AMCOL INTERNATIONAL CORP ACO BANKMONT FINANCIAL CO 10.961% view
S 2004-01-16 00:00:00.0 AMCOL INTERNATIONAL CORP ACO BANKMONT FINANCIAL CO 10.961% view
B 2003-06-10 00:00:00.0 AMCOL INTERNATIONAL CORP ACO BANKMONT FINANCIAL CO 12.053% view
B 2003-02-14 00:00:00.0 AMCOL INTERNATIONAL CORP ACO ADVISORY RESEARCH INC 6.21% view
S 2002-08-06 00:00:00.0 AMCOL INTERNATIONAL CORP ACO CANNELL CAPITAL LLC 0.0% view
B 2002-02-14 00:00:00.0 AMCOL INTERNATIONAL CORP ACO CANNELL CAPITAL LLC 5.4% view
S 2002-02-13 00:00:00.0 AMCOL INTERNATIONAL CORP ACO BANKMONT FINANCIAL CO 10.88% view
B 2002-02-12 00:00:00.0 AMCOL INTERNATIONAL CORP ACO ADVISORY RESEARCH INC 5.55% view
B 2002-02-12 00:00:00.0 AMCOL INTERNATIONAL CORP ACO ADVISORY RESEARCH INC 5.55% view
B 2002-02-12 00:00:00.0 AMCOL INTERNATIONAL CORP ACO ADVISORY RESEARCH INC 5.55% view
B 2002-02-12 00:00:00.0 AMCOL INTERNATIONAL CORP ACO ADVISORY RESEARCH INC 5.55% view
S 2001-02-14 00:00:00.0 AMCOL INTERNATIONAL CORP ACO BANKMONT FINANCIAL INC 10.94% view
B 2000-02-11 00:00:00.0 AMCOL INTERNATIONAL CORP ACO BANKMONT FINANCIAL INC 11.6% view
B 1999-02-12 00:00:00.0 AMCOL INTERNATIONAL CORP ACO WEAVER WILLIAM D 15.53% view
B 1999-02-12 00:00:00.0 AMCOL INTERNATIONAL CORP ACO BANKMONT FINANCIAL INC 11.4% view
S 1998-02-12 00:00:00.0 AMCOL INTERNATIONAL CORP ACO BANKMONT FINANCIAL INC 10.9% view
S 1998-02-11 00:00:00.0 AMCOL INTERNATIONAL CORP ACO WEAVER EVERETT P 11.0% view
S 1998-02-10 00:00:00.0 AMCOL INTERNATIONAL CORP ACO WEAVER WILLIAM D 14.7% view
S 1997-02-14 00:00:00.0 AMCOL INTERNATIONAL CORP ACO WEAVER WILLIAM D 14.8% view
S 1997-02-14 00:00:00.0 AMCOL INTERNATIONAL CORP ACO BANKMONT FINANCIAL INC 11.3% view
B 1996-03-27 00:00:00.0 AMCOL INTERNATIONAL CORP ACO BANKMONT FINANCIAL INC 11.4% view
B 1996-02-15 00:00:00.0 AMCOL INTERNATIONAL CORP ACO AMCOL INTERNATIONAL CORP 15.2% view
B 1996-02-15 00:00:00.0 AMCOL INTERNATIONAL CORP ACO AMCOL INTERNATIONAL CORP 15.2% view
B 1995-02-14 00:00:00.0 AMERICAN COLLOID CO ACO WEAVER EVERETT P 11.47% view
B 1995-02-14 00:00:00.0 AMERICAN COLLOID CO ACO WEAVER WILLIAM D 15.32% view
* Institutions do not report transaction buy/sell types directly. To help members better understand the transactions, this column is filled by InsiderCow's best-effort interpretations.