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MKSI - As of  05/17/24, 08:33:38 AM:   55 Insider Transactions.

Sector: Industrial Goods    Industry: Diversified Machinery
Prev Close:$44.88  Avg Vol(3m): 309,119  P/E: 22.60  EPS: 1.98

Email this page to a friend.    Insider Transactions for MKSI

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
B 2020-02-14 12:07:09.0 MKS INSTRUMENTS INC MKSI VANGUARD GROUP INC 9.31% view
S 2020-01-30 10:24:01.0 MKS INSTRUMENTS INC MKSI WELLINGTON MANAGEMENT GROUP LLP 4.47% view
S 2019-02-11 13:16:59.0 MKS INSTRUMENTS INC MKSI BlackRock Inc 9.2% view
S 2018-02-09 11:28:19.0 MKS INSTRUMENTS INC MKSI DIMENSIONAL FUND ADVISORS LP 4.89% view
S 2018-02-08 11:39:14.0 MKS INSTRUMENTS INC MKSI WELLINGTON MANAGEMENT GROUP LLP 11.0% view
B 2017-10-10 10:07:02.0 MKS INSTRUMENTS INC MKSI WELLINGTON MANAGEMENT GROUP LLP 10.46% view
B 2017-02-10 09:24:43.0 MKS INSTRUMENTS INC MKSI VANGUARD GROUP INC 9.97% view
S 2017-02-09 08:54:57.0 MKS INSTRUMENTS INC MKSI ROYCE & ASSOCIATES LP 4.35% view
B 2017-01-12 17:08:50.0 MKS INSTRUMENTS INC MKSI BlackRock Inc 10.3% view
B 2016-02-10 09:20:10.0 MKS INSTRUMENTS INC MKSI DIMENSIONAL FUND ADVISORS LP 7.61% view
S 2016-01-26 16:40:23.0 MKS INSTRUMENTS INC MKSI ROYCE & ASSOCIATES LLC 9.13% view
B 2015-02-11 10:07:48.0 MKS INSTRUMENTS INC MKSI VANGUARD GROUP INC 6.81% view
B 2015-01-22 14:24:34.0 MKS INSTRUMENTS INC MKSI BlackRock Inc 8.7% view
B 2014-02-11 12:47:59.0 MKS INSTRUMENTS INC MKSI VANGUARD GROUP INC 6.47% view
B 2014-02-05 13:05:36.0 MKS INSTRUMENTS INC MKSI ROYCE & ASSOCIATES LLC 14.91% view
B 2014-01-16 15:52:03.0 MKS INSTRUMENTS INC MKSI KORNITZER CAPITAL MANAGEMENT INC 15.0% view
S 2013-02-12 11:01:25.0 MKS INSTRUMENTS INC MKSI VANGUARD GROUP INC 5.68% view
S 2013-02-07 18:51:36.0 MKS INSTRUMENTS INC MKSI BlackRock Inc 5.17% view
S 2013-01-14 14:31:22.0 MKS INSTRUMENTS INC MKSI ROYCE & ASSOCIATES LLC 6.37% view
B 2012-02-10 08:15:39.0 MKS INSTRUMENTS INC MKSI BlackRock Inc 5.24% view
B 2012-01-20 15:38:17.0 MKS INSTRUMENTS INC MKSI ROYCE & ASSOCIATES LLC 14.25% view
S 2011-02-11 14:19:03.0 MKS INSTRUMENTS INC MKSI BERTUCCI CLAIRE R 2.7% view
B 2011-02-11 11:54:23.0 MKS INSTRUMENTS INC MKSI BlackRock Inc 8.78% view
S 2011-01-21 10:16:30.0 MKS INSTRUMENTS INC MKSI ROYCE & ASSOCIATES LLC 14.16% view
S 2010-02-16 15:10:00.0 MKS INSTRUMENTS INC MKSI BERTUCCI JOHN R 6.2% view
B 2010-02-08 10:42:31.0 MKS INSTRUMENTS INC MKSI BlackRock Inc 8.41% view
B 2010-01-25 15:55:21.0 MKS INSTRUMENTS INC MKSI KORNITZER CAPITAL MANAGEMENT INC 9.1% view
B 2009-02-09 12:56:19.0 MKS INSTRUMENTS INC MKSI BARCLAYS GLOBAL INVESTORS NA 4.38% view
B 2009-01-26 15:11:30.0 MKS INSTRUMENTS INC MKSI KORNITZER CAPITAL MANAGEMENT INC 6.33% view
S 2008-02-19 17:16:38.0 MKS INSTRUMENTS INC MKSI BERTUCCI JOHN R 8.5% view
B 2008-02-07 11:56:23.0 MKS INSTRUMENTS INC MKSI DIMENSIONAL FUND ADVISORS INC 7.71% view
B 2008-02-05 17:29:24.0 MKS INSTRUMENTS INC MKSI ROYCE & ASSOCIATES LLC 14.46% view
B 2007-10-10 13:12:41.0 MKS INSTRUMENTS INC MKSI ROYCE & ASSOCIATES LLC 11.1% view
S 2007-02-14 16:56:40.0 MKS INSTRUMENTS INC MKSI PRICE T ROWE ASSOCIATES INC 2.1% view
S 2007-02-12 11:58:59.0 MKS INSTRUMENTS INC MKSI BERTUCCI CLAIRE R 11.7% view
B 2007-02-08 19:39:38.0 MKS INSTRUMENTS INC MKSI DIMENSIONAL FUND ADVISORS INC 6.62% view
S 2007-01-23 16:27:54.0 MKS INSTRUMENTS INC MKSI EMERSON ELECTRIC CO 4.9% view
B 2006-12-22 16:03:19.0 MKS INSTRUMENTS INC MKSI BERTUCCI JOHN R 11.7% view
S 2006-12-20 15:22:54.0 MKS INSTRUMENTS INC MKSI EMERSON ELECTRIC CO 7.4% view
S 2006-10-12 16:21:19.0 MKS INSTRUMENTS INC MKSI EMERSON ELECTRIC CO 10.4% view
S 2006-08-14 20:33:49.0 MKS INSTRUMENTS INC MKSI EMERSON ELECTRIC CO 26.1% view
S 2006-06-28 00:00:00.0 MKS INSTRUMENTS INC MKSI EMERSON ELECTRIC CO 28.9% view
S 2006-05-10 00:00:00.0 MKS INSTRUMENTS INC MKSI EMERSON ELECTRIC CO 32.0% view
S 2006-03-10 00:00:00.0 MKS INSTRUMENTS INC MKSI FMR CORP n/a view
S 2006-02-14 00:00:00.0 MKS INSTRUMENTS INC MKSI TCW GROUP INC 2.5% view
B 2006-02-09 00:00:00.0 MKS INSTRUMENTS INC MKSI DIMENSIONAL FUND ADVISORS INC 5.16% view
B 2005-06-10 00:00:00.0 MKS INSTRUMENTS INC MKSI BERTUCCI CLAIRE R 17.8% view
B 2005-02-15 00:00:00.0 MKS INSTRUMENTS INC MKSI TCW GROUP INC 5.7% view
S 2005-02-11 00:00:00.0 MKS INSTRUMENTS INC MKSI SNYDER JENNIFER C 4.1% view
S 2004-02-13 00:00:00.0 MKS INSTRUMENTS INC MKSI BERTUCCI CLAIRE R 8.5% view
S 2004-02-09 00:00:00.0 MKS INSTRUMENTS INC MKSI EMERSON ELECTRIC CO 39.2% view
S 2003-10-21 00:00:00.0 MKS INSTRUMENTS INC MKSI EMERSON ELECTRIC CO 51.5% view
B 2003-02-12 00:00:00.0 MKS INSTRUMENTS INC MKSI BERTUCCI CLAIRE R 10.6% view
B 2003-02-12 00:00:00.0 MKS INSTRUMENTS INC MKSI BERTUCCI JOHN R 20.74% view
S 2001-05-08 00:00:00.0 MKS INSTRUMENTS INC MKSI KOPP INVESTMENT ADVISORS INC n/a 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.