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MKSI - As of  06/10/24, 01:22:52 PM:   58 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 BlackRock Inc 9.5% view
B 2019-02-12 09:47:37.0 MKS INSTRUMENTS INC MKSI WELLINGTON MANAGEMENT GROUP LLP 9.14% view
B 2019-02-06 15:04:44.0 MKS INSTRUMENTS INC MKSI VANGUARD GROUP INC 8.66% view
S 2018-02-09 09:47:32.0 MKS INSTRUMENTS INC MKSI DIMENSIONAL FUND ADVISORS LP 5.14% view
S 2018-01-23 14:16:37.0 MKS INSTRUMENTS INC MKSI BlackRock Inc 11.0% view
B 2017-02-10 11:14:48.0 MKS INSTRUMENTS INC MKSI WELLINGTON MANAGEMENT GROUP LLP 10.46% view
B 2017-02-09 10:44:23.0 MKS INSTRUMENTS INC MKSI WELLINGTON MANAGEMENT GROUP LLP 9.97% view
B 2017-02-01 13:01:02.0 MKS INSTRUMENTS INC MKSI ROYCE & ASSOCIATES LP 11.5% view
B 2016-10-07 16:13:48.0 MKS INSTRUMENTS INC MKSI BlackRock Inc 7.43% view
S 2016-01-26 16:40:23.0 MKS INSTRUMENTS INC MKSI BlackRock Inc 9.13% view
B 2015-02-11 10:07:48.0 MKS INSTRUMENTS INC MKSI VANGUARD GROUP INC 6.81% view
S 2015-01-22 14:24:34.0 MKS INSTRUMENTS INC MKSI BlackRock Inc 12.7% view
B 2014-02-11 12:47:59.0 MKS INSTRUMENTS INC MKSI VANGUARD GROUP INC 6.47% view
S 2014-02-10 16:29:20.0 MKS INSTRUMENTS INC MKSI ROYCE & ASSOCIATES LLC 14.91% view
S 2014-01-29 21:44:47.0 MKS INSTRUMENTS INC MKSI KORNITZER CAPITAL MANAGEMENT INC 0.0% view
B 2014-01-13 12:11:48.0 MKS INSTRUMENTS INC MKSI VANGUARD GROUP INC 5.88% view
S 2013-02-11 17:15:00.0 MKS INSTRUMENTS INC MKSI BlackRock Inc 7.74% view
S 2013-01-24 11:07:20.0 MKS INSTRUMENTS INC MKSI KORNITZER CAPITAL MANAGEMENT INC 13.4% view
S 2012-02-14 08:30:23.0 MKS INSTRUMENTS INC MKSI DIMENSIONAL FUND ADVISORS LP 8.1% view
S 2012-02-10 07:35:06.0 MKS INSTRUMENTS INC MKSI VANGUARD GROUP INC 6.27% view
B 2012-01-18 15:18:32.0 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 CLAIRE R 6.2% view
B 2010-02-08 10:42:31.0 MKS INSTRUMENTS INC MKSI DIMENSIONAL FUND ADVISORS LP 8.41% view
S 2010-01-25 15:55:21.0 MKS INSTRUMENTS INC MKSI ROYCE & ASSOCIATES LLC 14.68% view
B 2010-01-22 14:58:12.0 MKS INSTRUMENTS INC MKSI DIMENSIONAL FUND ADVISORS INC 8.64% view
B 2009-02-05 13:31:48.0 MKS INSTRUMENTS INC MKSI ROYCE & ASSOCIATES LLC 15.37% view
B 2009-01-09 16:31:33.0 MKS INSTRUMENTS INC MKSI KORNITZER CAPITAL MANAGEMENT INC 5.57% view
S 2008-02-07 12:00:28.0 MKS INSTRUMENTS INC MKSI BERTUCCI JOHN R 8.5% view
S 2008-02-06 10:55:14.0 MKS INSTRUMENTS INC MKSI DIMENSIONAL FUND ADVISORS INC 2.76% view
S 2008-01-30 12:39:00.0 MKS INSTRUMENTS INC MKSI ROYCE & ASSOCIATES LLC n/a view
S 2007-09-07 13:53:11.0 MKS INSTRUMENTS INC MKSI ROYCE & ASSOCIATES LLC n/a view
S 2007-02-13 10:27:48.0 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 CLAIRE 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 9.3% view
S 2006-09-08 16:51:33.0 MKS INSTRUMENTS INC MKSI EMERSON ELECTRIC CO 11.5% view
S 2006-08-02 00:00:00.0 MKS INSTRUMENTS INC MKSI EMERSON ELECTRIC CO 27.3% view
S 2006-06-01 00:00:00.0 MKS INSTRUMENTS INC MKSI EMERSON ELECTRIC CO 30.8% view
S 2006-04-06 00:00:00.0 MKS INSTRUMENTS INC MKSI EMERSON ELECTRIC CO 33.4% view
B 2006-02-14 00:00:00.0 MKS INSTRUMENTS INC MKSI FMR CORP 6.1% view
S 2006-02-13 00:00:00.0 MKS INSTRUMENTS INC MKSI TCW GROUP INC 8.6% view
B 2006-02-06 00:00:00.0 MKS INSTRUMENTS INC MKSI DIMENSIONAL FUND ADVISORS INC n/a view
B 2005-02-15 00:00:00.0 MKS INSTRUMENTS INC MKSI BERTUCCI CLAIRE R 17.8% view
S 2005-02-14 00:00:00.0 MKS INSTRUMENTS INC MKSI TCW GROUP INC 5.7% view
S 2004-02-13 00:00:00.0 MKS INSTRUMENTS INC MKSI SNYDER JENNIFER C 4.1% view
B 2004-02-13 00:00:00.0 MKS INSTRUMENTS INC MKSI BERTUCCI CLAIRE R 8.5% view
S 2004-01-28 00:00:00.0 MKS INSTRUMENTS INC MKSI EMERSON ELECTRIC CO 39.2% view
S 2003-08-07 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
S 2003-02-12 00:00:00.0 MKS INSTRUMENTS INC MKSI BERTUCCI JOHN R 20.74% view
B 2002-02-08 00:00:00.0 MKS INSTRUMENTS INC MKSI KOPP INVESTMENT ADVISORS INC n/a view
B 2001-02-14 00:00:00.0 MKS INSTRUMENTS INC MKSI BERTUCCI JOHN R 35.7% 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.