Home
Latest Filings
Latest Buys
Latest Sells
Institutions
Derivatives
Hot Buys
Data Screener
Email Alerts
Insider Charts
MKSI
- As of 06/24/24, 02:36:19 AM: 113 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
Capital International Investors
7.9%
view
B
2020-02-12 07:57:13.0
MKS INSTRUMENTS INC
MKSI
VANGUARD GROUP INC
9.31%
view
B
2020-02-05 12:16:27.0
MKS INSTRUMENTS INC
MKSI
BlackRock Inc
9.5%
view
B
2020-01-30 10:24:01.0
MKS INSTRUMENTS INC
MKSI
WELLINGTON MANAGEMENT GROUP LLP
7.03%
view
S
2019-02-12 09:47:37.0
MKS INSTRUMENTS INC
MKSI
WELLINGTON MANAGEMENT GROUP LLP
4.47%
view
B
2019-02-11 13:16:59.0
MKS INSTRUMENTS INC
MKSI
VANGUARD GROUP INC
9.14%
view
S
2019-02-06 15:04:44.0
MKS INSTRUMENTS INC
MKSI
BlackRock Inc
9.2%
view
B
2018-02-09 11:28:19.0
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
4.89%
view
S
2018-02-08 11:39:14.0
MKS INSTRUMENTS INC
MKSI
WELLINGTON MANAGEMENT GROUP LLP
5.14%
view
S
2018-01-23 14:16:37.0
MKS INSTRUMENTS INC
MKSI
BlackRock Inc
11.0%
view
S
2017-10-10 10:07:02.0
MKS INSTRUMENTS INC
MKSI
WELLINGTON MANAGEMENT GROUP LLP
5.27%
view
B
2017-02-10 11:14:48.0
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
8.37%
view
B
2017-02-09 10:44:23.0
MKS INSTRUMENTS INC
MKSI
WELLINGTON MANAGEMENT GROUP LLP
9.97%
view
B
2017-02-09 08:54:57.0
MKS INSTRUMENTS INC
MKSI
DIMENSIONAL FUND ADVISORS LP
7.89%
view
S
2017-02-01 13:01:02.0
MKS INSTRUMENTS INC
MKSI
ROYCE & ASSOCIATES LP
4.35%
view
B
2017-01-12 17:08:50.0
MKS INSTRUMENTS INC
MKSI
BlackRock Inc
11.5%
view
B
2016-10-07 16:13:48.0
MKS INSTRUMENTS INC
MKSI
BlackRock Inc
10.3%
view
B
2016-02-10 09:20:10.0
MKS INSTRUMENTS INC
MKSI
VANGUARD GROUP INC
7.43%
view
B
2016-02-09 16:22:31.0
MKS INSTRUMENTS INC
MKSI
DIMENSIONAL FUND ADVISORS LP
7.61%
view
B
2016-01-26 16:40:23.0
MKS INSTRUMENTS INC
MKSI
BlackRock Inc
9.3%
view
S
2016-01-19 14:23:05.0
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
6.6%
view
B
2015-02-05 09:31:19.0
MKS INSTRUMENTS INC
MKSI
DIMENSIONAL FUND ADVISORS LP
6.81%
view
B
2015-01-22 14:24:34.0
MKS INSTRUMENTS INC
MKSI
BlackRock Inc
8.7%
view
S
2015-01-13 15:09:46.0
MKS INSTRUMENTS INC
MKSI
ROYCE & ASSOCIATES LLC
12.7%
view
B
2014-02-11 12:47:59.0
MKS INSTRUMENTS INC
MKSI
VANGUARD GROUP INC
6.47%
view
B
2014-02-10 16:29:20.0
MKS INSTRUMENTS INC
MKSI
DIMENSIONAL FUND ADVISORS LP
6.3%
view
S
2014-02-05 13:05:36.0
MKS INSTRUMENTS INC
MKSI
ROYCE & ASSOCIATES LLC
14.91%
view
B
2014-01-29 21:44:47.0
MKS INSTRUMENTS INC
MKSI
BlackRock Inc
8.7%
view
S
2014-01-16 15:52:03.0
MKS INSTRUMENTS INC
MKSI
KORNITZER CAPITAL MANAGEMENT INC
0.0%
view
B
2014-01-13 12:11:48.0
MKS INSTRUMENTS INC
MKSI
ROYCE & ASSOCIATES LLC
15.0%
view
B
2013-02-12 11:01:25.0
MKS INSTRUMENTS INC
MKSI
VANGUARD GROUP INC
5.88%
view
S
2013-02-11 17:15:00.0
MKS INSTRUMENTS INC
MKSI
DIMENSIONAL FUND ADVISORS LP
5.68%
view
S
2013-02-07 18:51:36.0
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
5.17%
view
S
2013-01-14 14:31:22.0
MKS INSTRUMENTS INC
MKSI
ROYCE & ASSOCIATES LLC
13.4%
view
S
2012-02-14 08:30:23.0
MKS INSTRUMENTS INC
MKSI
DIMENSIONAL FUND ADVISORS LP
6.37%
view
S
2012-02-10 08:15:39.0
MKS INSTRUMENTS INC
MKSI
BlackRock Inc
8.1%
view
B
2012-02-10 07:35:06.0
MKS INSTRUMENTS INC
MKSI
VANGUARD GROUP INC
5.24%
view
S
2012-01-20 15:38:17.0
MKS INSTRUMENTS INC
MKSI
KORNITZER CAPITAL MANAGEMENT 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
DIMENSIONAL FUND ADVISORS LP
6.97%
view
S
2011-02-11 11:54:40.0
MKS INSTRUMENTS INC
MKSI
BERTUCCI CLAIRE R
2.7%
view
S
2011-02-11 11:54:23.0
MKS INSTRUMENTS INC
MKSI
BERTUCCI JOHN R
2.7%
view
B
2011-02-07 13:57:28.0
MKS INSTRUMENTS INC
MKSI
BlackRock Inc
8.78%
view
B
2011-01-21 10:16:30.0
MKS INSTRUMENTS INC
MKSI
KORNITZER CAPITAL MANAGEMENT INC
9.75%
view
S
2011-01-14 13:36:38.0
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
S
2010-02-16 15:07:30.0
MKS INSTRUMENTS INC
MKSI
BERTUCCI JOHN R
6.2%
view
S
2010-02-08 10:42:31.0
MKS INSTRUMENTS INC
MKSI
DIMENSIONAL FUND ADVISORS LP
8.13%
view
B
2010-01-29 14:57:35.0
MKS INSTRUMENTS INC
MKSI
BlackRock Inc
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
KORNITZER CAPITAL MANAGEMENT INC
9.1%
view
B
2009-02-09 12:56:19.0
MKS INSTRUMENTS INC
MKSI
DIMENSIONAL FUND ADVISORS INC
8.64%
view
B
2009-02-05 13:31:48.0
MKS INSTRUMENTS INC
MKSI
BARCLAYS GLOBAL INVESTORS NA
4.38%
view
B
2009-01-26 15:11:30.0
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
6.33%
view
B
2008-02-19 17:16:38.0
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
2008-02-07 11:56:23.0
MKS INSTRUMENTS INC
MKSI
BERTUCCI CLAIRE R
8.5%
view
B
2008-02-06 10:55:14.0
MKS INSTRUMENTS INC
MKSI
DIMENSIONAL FUND ADVISORS INC
7.71%
view
S
2008-02-05 17:29:24.0
MKS INSTRUMENTS INC
MKSI
BARCLAYS GLOBAL INVESTORS NA
2.76%
view
B
2008-01-30 12:39:00.0
MKS INSTRUMENTS INC
MKSI
ROYCE & ASSOCIATES LLC
14.46%
view
S
2007-10-10 13:12:41.0
MKS INSTRUMENTS INC
MKSI
FMR LLC
n/a
view
B
2007-09-07 13:53:11.0
MKS INSTRUMENTS INC
MKSI
ROYCE & ASSOCIATES LLC
11.1%
view
S
2007-02-14 16:56:40.0
MKS INSTRUMENTS INC
MKSI
FMR CORP
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 JOHN R
11.7%
view
S
2007-02-12 11:58:27.0
MKS INSTRUMENTS INC
MKSI
BERTUCCI CLAIRE R
11.7%
view
S
2007-02-08 19:39:38.0
MKS INSTRUMENTS INC
MKSI
DIMENSIONAL FUND ADVISORS INC
6.62%
view
B
2007-02-01 20:24:52.0
MKS INSTRUMENTS INC
MKSI
DIMENSIONAL FUND ADVISORS INC
6.62%
view
B
2007-01-23 16:27:54.0
MKS INSTRUMENTS INC
MKSI
BARCLAYS GLOBAL INVESTORS NA
4.16%
view
S
2007-01-17 16:03:17.0
MKS INSTRUMENTS INC
MKSI
EMERSON ELECTRIC CO
4.9%
view
S
2006-12-22 16:03:19.0
MKS INSTRUMENTS INC
MKSI
BERTUCCI CLAIRE R
11.7%
view
B
2006-12-22 16:00:29.0
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
6.2%
view
S
2006-12-11 17:11:45.0
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
10.4%
view
S
2006-08-14 20:33:49.0
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
26.1%
view
S
2006-06-28 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
28.9%
view
S
2006-05-10 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
32.0%
view
S
2006-03-10 00:00:00.0
MKS INSTRUMENTS INC
MKSI
EMERSON ELECTRIC CO
33.4%
view
S
2006-02-14 00:00:00.0
MKS INSTRUMENTS INC
MKSI
FMR CORP
n/a
view
B
2006-02-14 00:00:00.0
MKS INSTRUMENTS INC
MKSI
PRICE T ROWE ASSOCIATES INC
6.1%
view
S
2006-02-13 00:00:00.0
MKS INSTRUMENTS INC
MKSI
TCW GROUP INC
2.5%
view
S
2006-02-09 00:00:00.0
MKS INSTRUMENTS INC
MKSI
BERTUCCI JOHN R
8.6%
view
B
2006-02-06 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
FMR CORP
n/a
view
B
2005-02-15 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
BERTUCCI JOHN R
17.8%
view
B
2005-02-14 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
PRICE T ROWE ASSOCIATES INC
5.1%
view
S
2004-02-13 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 JOHN R
9.8%
view
S
2004-02-13 00:00:00.0
MKS INSTRUMENTS INC
MKSI
BERTUCCI CLAIRE R
8.5%
view
B
2004-02-09 00:00:00.0
MKS INSTRUMENTS INC
MKSI
PRICE T ROWE ASSOCIATES INC
5.7%
view
S
2004-01-28 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
S
2003-08-07 00:00:00.0
MKS INSTRUMENTS INC
MKSI
EMERSON ELECTRIC CO
51.5%
view
S
2003-02-12 00:00:00.0
MKS INSTRUMENTS INC
MKSI
BERTUCCI JOHN R
12.1%
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
SNYDER JENNIFER C
6.7%
view
S
2002-02-11 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
EMERSON ELECTRIC CO
54.0%
view
B
2001-05-08 00:00:00.0
MKS INSTRUMENTS INC
MKSI
KOPP INVESTMENT ADVISORS INC
n/a
view
S
2001-02-14 00:00:00.0
MKS INSTRUMENTS INC
MKSI
BERTUCCI JOHN R
30.1%
view
B
2000-02-11 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.