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MTSN - As of  04/18/25, 05:00:59 PM:   79 Insider Transactions.

Sector: Technology    Industry: Semiconductor Equipment & Materials
Prev Close:$3.60  Avg Vol(3m): 253,387  P/E: 0.00  EPS: 0.00

Email this page to a friend.    Insider Transactions for MTSN

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
S 2017-02-14 10:21:42.0 MATTSON TECHNOLOGY INC MTNS PARADIGM CAPITAL MANAGEMENT INC 0.0% view
B 2016-02-12 15:10:35.0 MATTSON TECHNOLOGY INC MTNS AMERIPRISE FINANCIAL INC 17.85% view
S 2016-02-11 10:07:22.0 MATTSON TECHNOLOGY INC MTNS PARADIGM CAPITAL MANAGEMENT INC 5.84% view
B 2016-01-28 15:59:37.0 MATTSON TECHNOLOGY INC MTNS BlackRock Inc 5.9% view
B 2015-07-14 17:07:27.0 MATTSON TECHNOLOGY INC MTNS Firsthand Capital Management 5.05% view
B 2015-07-10 12:42:59.0 MATTSON TECHNOLOGY INC MTNS AMERIPRISE FINANCIAL INC 16.32% view
B 2015-02-12 16:32:37.0 MATTSON TECHNOLOGY INC MTNS PARADIGM CAPITAL MANAGEMENT INC 6.34% view
S 2015-02-02 18:05:18.0 MATTSON TECHNOLOGY INC MTNS DONALD SMITH & CO 3.49% view
B 2015-01-09 16:05:58.0 MATTSON TECHNOLOGY INC MTNS AMERIPRISE FINANCIAL INC 10.6% view
B 2013-12-20 10:28:48.0 MATTSON TECHNOLOGY INC MTNS Sanctuary Wealth Advisors 1.71% view
S 2013-07-12 17:00:23.0 MATTSON TECHNOLOGY INC MTNS POTOMAC CAPITAL PARTNERS II LP 4.6% view
S 2013-07-10 12:09:30.0 MATTSON TECHNOLOGY INC MTNS BlackRock Inc 2.36% view
S 2013-02-13 17:02:19.0 MATTSON TECHNOLOGY INC MTNS DONALD SMITH & CO 6.37% view
B 2013-01-30 14:50:33.0 MATTSON TECHNOLOGY INC MTNS BlackRock Inc 6.56% view
S 2012-06-18 17:26:04.0 MATTSON TECHNOLOGY INC MTNS POTOMAC CAPITAL PARTNERS II LP 6.9% view
S 2012-02-14 10:01:46.0 MATTSON TECHNOLOGY INC MTNS NWQ INVESTMENT MANAGEMENT CO LLC 4.98% view
B 2012-02-13 16:39:56.0 MATTSON TECHNOLOGY INC MTNS DONALD SMITH & CO 6.38% view
B 2012-01-17 12:21:32.0 MATTSON TECHNOLOGY INC MTNS POTOMAC CAPITAL PARTNERS II LP 8.3% view
B 2011-03-29 16:17:46.0 MATTSON TECHNOLOGY INC MTNS DONALD SMITH & CO 5.43% view
S 2011-02-14 15:51:18.0 MATTSON TECHNOLOGY INC MTSN NWQ INVESTMENT MANAGEMENT CO LLC 8.98% view
B 2011-02-07 13:55:36.0 MATTSON TECHNOLOGY INC MTSN BlackRock Inc 5.76% view
S 2010-02-26 12:44:25.0 MATTSON TECHNOLOGY INC MTSN RAINIER INVESTMENT MANAGEMENT INC 0.0% view
S 2010-02-12 14:56:13.0 MATTSON TECHNOLOGY INC MTSN NWQ INVESTMENT MANAGEMENT CO LLC 10.41% view
B 2009-09-10 15:38:37.0 MATTSON TECHNOLOGY INC MTSN FMR LLC 2.565% view
B 2009-07-02 20:08:08.0 MATTSON TECHNOLOGY INC MTSN Verition Fund Managegment LLC 5.61% view
S 2009-03-09 12:56:06.0 MATTSON TECHNOLOGY INC MTSN BlackRock Inc 3.67% view
B 2009-02-10 08:28:55.0 MATTSON TECHNOLOGY INC MTSN BlackRock Inc 5.98% view
S 2009-02-09 10:01:28.0 MATTSON TECHNOLOGY INC MTSN TCW GROUP INC 7.3% view
S 2008-11-10 09:55:15.0 MATTSON TECHNOLOGY INC MTSN FMR LLC n/a view
B 2008-02-13 13:47:25.0 MATTSON TECHNOLOGY INC MTSN PRICE T ROWE ASSOCIATES INC 8.0% view
S 2008-02-11 16:45:29.0 MATTSON TECHNOLOGY INC MTSN TCW GROUP INC 9.8% view
B 2007-02-13 10:33:36.0 MATTSON TECHNOLOGY INC MTSN RAINIER INVESTMENT MANAGEMENT INC 5.29% view
B 2007-02-12 17:19:40.0 MATTSON TECHNOLOGY INC MTSN NWQ INVESTMENT MANAGEMENT CO LLC 17.3% view
B 2007-02-12 17:12:33.0 MATTSON TECHNOLOGY INC MTSN TCW GROUP INC 11.0% view
S 2007-02-07 10:44:31.0 MATTSON TECHNOLOGY INC MTSN DALTON GREINER HARTMAN MAHER & CO 3.17% view
S 2006-07-10 00:00:00.0 MATTSON TECHNOLOGY INC MTSN FMR CORP n/a view
S 2006-02-14 00:00:00.0 MATTSON TECHNOLOGY INC MTSN NWQ INVESTMENT MANAGEMENT CO LLC 12.4% view
B 2006-02-14 00:00:00.0 MATTSON TECHNOLOGY INC MTSN FMR CORP n/a view
B 2006-02-14 00:00:00.0 MATTSON TECHNOLOGY INC MTSN DALTON GREINER HARTMAN MAHER & CO 5.1% view
B 2006-02-13 00:00:00.0 MATTSON TECHNOLOGY INC MTSN TCW GROUP INC 7.9% view
S 2005-11-18 00:00:00.0 MATTSON TECHNOLOGY INC MTSN SES BETEILINGUNGS 0.2% view
S 2005-08-19 00:00:00.0 MATTSON TECHNOLOGY INC MTSN SES BETEILINGUNGS 8.82% view
S 2005-07-28 00:00:00.0 MATTSON TECHNOLOGY INC MTSN STEAG ELECTRONIC SYSTEMS AG 9.99% view
S 2005-06-13 00:00:00.0 MATTSON TECHNOLOGY INC MTSN STEAG ELECTRONIC SYSTEMS AG 14.2% view
B 2005-04-08 00:00:00.0 MATTSON TECHNOLOGY INC MTSN STATE OF WISCONSIN INVESTMENT BOARD 12.0% view
S 2005-02-18 00:00:00.0 MATTSON TECHNOLOGY INC MTSN SELIGMAN J & W & CO INC 3.49% view
B 2005-02-14 00:00:00.0 MATTSON TECHNOLOGY INC MTSN NWQ INVESTMENT MANAGEMENT CO LLC 12.5% view
B 2005-02-11 00:00:00.0 MATTSON TECHNOLOGY INC MTSN SELIGMAN J & W & CO INC 5.26% view
S 2005-02-09 00:00:00.0 MATTSON TECHNOLOGY INC MTSN STATE OF WISCONSIN INVESTMENT BOARD 9.73% view
B 2004-12-10 00:00:00.0 MATTSON TECHNOLOGY INC MTSN NWQ INVESTMENT MANAGEMENT CO LLC 10.9% view
S 2004-10-29 00:00:00.0 MATTSON TECHNOLOGY INC MTSN STEAG ELECTRONIC SYSTEMS AG 17.5% view
S 2004-02-13 00:00:00.0 MATTSON TECHNOLOGY INC MTSN STEAG ELECTRONIC SYSTEMS AG 17.8% view
S 2004-02-11 00:00:00.0 MATTSON TECHNOLOGY INC MTSN STEAG ELECTRONIC SYSTEMS AG 19.2% view
S 2004-02-11 00:00:00.0 MATTSON TECHNOLOGY INC MTSN STATE OF WISCONSIN INVESTMENT BOARD 14.07% view
B 2004-02-04 00:00:00.0 MATTSON TECHNOLOGY INC MTSN MELLON BANK N A 1.8% view
B 2003-02-12 00:00:00.0 MATTSON TECHNOLOGY INC MTSN STATE OF WISCONSIN INVESTMENT BOARD 17.91% view
S 2003-01-22 00:00:00.0 MATTSON TECHNOLOGY INC MTSN MELLON FINANCIAL CORP 8.52% view
B 2002-05-08 00:00:00.0 MATTSON TECHNOLOGY INC MTSN RAG AKTIENGESELLSCHAFT 29.6% view
B 2002-05-07 00:00:00.0 MATTSON TECHNOLOGY INC MTSN STATE OF WISCONSIN INVESTMENT BOARD 16.06% view
S 2002-02-14 00:00:00.0 MATTSON TECHNOLOGY INC MTSN MATTSON BRAD 9.0% view
B 2002-01-23 00:00:00.0 MATTSON TECHNOLOGY INC MTSN MELLON FINANCIAL CORP 10.98% view
B 2001-11-08 00:00:00.0 MATTSON TECHNOLOGY INC MTSN MELLON FINANCIAL CORP 10.28% view
S 2001-05-08 00:00:00.0 MATTSON TECHNOLOGY INC MTSN MELLON FINANCIAL CORP 4.92% view
S 2001-02-14 00:00:00.0 MATTSON TECHNOLOGY INC MTSN MATTSON BRAD 18.2% view
S 2001-02-02 00:00:00.0 MATTSON TECHNOLOGY INC MTSN DIMENSIONAL FUND ADVISORS INC n/a view
B 2001-01-17 00:00:00.0 MATTSON TECHNOLOGY INC MTSN MELLON FINANCIAL CORP 11.41% view
B 2001-01-11 00:00:00.0 MATTSON TECHNOLOGY INC MTSN STEAG ELECTRONIC SYSTEMS GMBH 31.8% view
B 2000-11-13 00:00:00.0 MATTSON TECHNOLOGY INC MTSN MELLON FINANCIAL CORP 11.03% view
B 2000-07-07 00:00:00.0 MATTSON TECHNOLOGY INC MTSN CFM TECHNOLOGIES INC 17.7% view
B 2000-02-14 00:00:00.0 MATTSON TECHNOLOGY INC MTSN MATTSON BRAD 22.5% view
S 2000-02-03 00:00:00.0 MATTSON TECHNOLOGY INC MTSN DIMENSIONAL FUND ADVISORS INC n/a view
S 1999-02-16 00:00:00.0 MATTSON TECHNOLOGY INC MTSN MATTSON BRAD 22.3% view
B 1999-02-11 00:00:00.0 MATTSON TECHNOLOGY INC MTSN DIMENSIONAL FUND ADVISORS INC n/a view
S 1999-02-04 00:00:00.0 MATTSON TECHNOLOGY INC MTSN MELLON BANK CORP 4.07% view
S 1998-02-09 00:00:00.0 MATTSON TECHNOLOGY INC MTSN MATTSON BRAD 23.4% view
B 1998-01-22 00:00:00.0 MATTSON TECHNOLOGY INC MTSN MELLON BANK CORP 7.84% view
B 1997-03-12 00:00:00.0 MATTSON TECHNOLOGY INC MTSN PILGRIM BAXTER & ASSOCIATES LTD 1.0% view
B 1997-02-14 00:00:00.0 MATTSON TECHNOLOGY INC MTSN MATTSON BRAD 23.5% view
B 1996-06-18 00:00:00.0 MATTSON TECHNOLOGY INC MTSN WEST HIGHLAND CAPITAL INC 4.3% 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.