Richard S Chute

CIK 1202741 · View on SEC EDGAR ↗

Insider

First SEC filing: Feb. 4, 2004 · Latest: Feb. 4, 2004

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.

Insider at

MKSI selling May 8, 2019

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 32 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

32 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 8, 2019	MKSI	S	1,499	$86.03	$128,959	6,616 Direct	-18.47%	Disposed	229.1% (price as of 2026-08-21)
May 9, 2018	MKSI	S	1,988	$110.75	$220,171	8,115 Direct	-19.68%	Disposed	155.7% (price as of 2026-08-21)
May 9, 2018	MKSI	A	1,499	—	—	10,103 Direct	+17.42%	Acquired	(price as of 2026-08-21)
May 10, 2017	MKSI	A	1,989	—	—	11,604 Direct	+20.69%	Acquired	(price as of 2026-08-21)
May 10, 2017	MKSI	S	3,000	$80.00	$240,000	8,604 Direct	-25.85%	Disposed	253.9% (price as of 2026-08-21)
May 9, 2016	MKSI	S	3,000	$35.94	$107,820	9,615 Direct	-23.78%	Disposed	687.8% (price as of 2026-08-21)
May 2, 2016	MKSI	A	3,832	—	—	12,615 Direct	+43.63%	Acquired	(price as of 2026-08-21)
July 15, 2015	MKSI	M 10b5-1	12,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
July 15, 2015	MKSI	S 10b5-1	12,000	$36.68	$440,160	8,783 Direct	-57.74%	Disposed	671.9% (price as of 2026-08-21)
July 15, 2015	MKSI	M 10b5-1	12,000	$24.35	$292,200	20,783 Direct	+136.63%	Acquired	1062.8% (price as of 2026-08-21)
May 4, 2015	MKSI	A	3,959	—	—	8,783 Direct	+82.07%	Acquired	(price as of 2026-08-21)
May 4, 2015	MKSI	S 10b5-1	3,000	$35.46	$106,380	4,824 Direct	-38.34%	Disposed	698.5% (price as of 2026-08-21)
March 2, 2015	MKSI	M	12,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
March 2, 2015	MKSI	S 10b5-1	12,000	$35.58	$426,960	7,824 Direct	-60.53%	Disposed	695.8% (price as of 2026-08-21)
March 2, 2015	MKSI	M 10b5-1	12,000	$15.84	$190,080	19,824 Direct	+153.37%	Acquired	1687.6% (price as of 2026-08-21)
June 4, 2014	MKSI	S	3,000	$28.65	$85,950	7,824 Direct	-27.72%	Disposed	888.3% (price as of 2026-08-21)
May 8, 2014	MKSI	A	4,405	—	—	10,824 Direct	+68.62%	Acquired	(price as of 2026-08-21)
Feb. 3, 2014	MKSI	S	12,000	$29.69	$356,280	6,418 Direct	-65.15%	Disposed	853.7% (price as of 2026-08-21)
Feb. 3, 2014	MKSI	M	12,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 3, 2014	MKSI	M	12,000	$20.07	$240,840	18,418 Direct	+186.97%	Acquired	1310.8% (price as of 2026-08-21)
Dec. 6, 2013	MKSI	S	5,000	$29.38	$146,900	6,418 Direct	-43.79%	Disposed	863.8% (price as of 2026-08-21)
May 6, 2013	MKSI	A	4,418	—	—	11,418 Direct	+63.11%	Acquired	(price as of 2026-08-21)
Nov. 26, 2012	MKSI	M	12,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Nov. 26, 2012	MKSI	S	12,000	$24.09	$289,080	7,000 Direct	-63.16%	Disposed	1075.4% (price as of 2026-08-21)
Nov. 26, 2012	MKSI	M	12,000	$17.06	$204,720	19,000 Direct	+171.43%	Acquired	1559.7% (price as of 2026-08-21)
July 30, 2012	MKSI	S	6,000	$26.23	$157,380	7,000 Direct	-46.15%	Disposed	979.5% (price as of 2026-08-21)
May 7, 2012	MKSI	A	6,000	—	—	13,000 Direct	+85.71%	Acquired	(price as of 2026-08-21)
May 2, 2011	MKSI	S	6,000	$28.32	$169,920	7,000 Direct	-46.15%	Disposed	899.8% (price as of 2026-08-21)
May 2, 2011	MKSI	A	6,000	—	—	13,000 Direct	+85.71%	Acquired	(price as of 2026-08-21)
July 26, 2010	MKSI	S	3,000	$21.22	$63,660	7,000 Direct	-30.00%	Disposed	1234.4% (price as of 2026-08-21)
May 17, 2010	MKSI	E	6,000	$44.88	$269,280	0 Direct	-100.00%	Disposed	530.9% (price as of 2026-08-21)
May 3, 2010	MKSI	A	6,000	—	—	10,000 Direct	+150.00%	Acquired	(price as of 2026-08-21)
May 4, 2009	MKSI	A	4,000	—	—	4,000 Direct	—	Acquired	(price as of 2026-08-21)
May 4, 2009	MKSI	S	4,000	$15.28	$61,120	0 Direct	-100.00%	Disposed	1753.1% (price as of 2026-08-21)
May 6, 2008	MKSI	S	4,000	$23.37	$93,480	4,000 Direct	-50.00%	Disposed	1111.6% (price as of 2026-08-21)
May 5, 2008	MKSI	A	4,000	—	—	8,000 Direct	+100.00%	Acquired	(price as of 2026-08-21)
May 4, 2008	MKSI	M	4,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 4, 2008	MKSI	M	4,000	—	—	4,000 Direct	—	Acquired	(price as of 2026-08-21)
May 7, 2007	MKSI	A	4,000	—	—	4,000 Direct	—	Acquired	(price as of 2026-08-21)
April 30, 2007	MKSI	M 10b5-1	6,000	—	—	28,500 Direct	-17.39%	Disposed	(price as of 2026-08-21)
April 30, 2007	MKSI	M 10b5-1	905	—	—	34,500 Direct	-2.56%	Disposed	(price as of 2026-08-21)
April 30, 2007	MKSI	S 10b5-1	905	$27.27	$24,679	0 Direct	-100.00%	Disposed	938.3% (price as of 2026-08-21)
April 30, 2007	MKSI	S 10b5-1	6,000	$27.28	$163,680	905 Direct	-86.89%	Disposed	937.9% (price as of 2026-08-21)
April 30, 2007	MKSI	M 10b5-1	6,000	$14.40	$86,400	6,905 Direct	+662.98%	Acquired	1866.3% (price as of 2026-08-21)
April 30, 2007	MKSI	M 10b5-1	905	$8.00	$7,240	905 Direct	—	Acquired	3439.4% (price as of 2026-08-21)
May 8, 2006	MKSI	A	12,000	—	—	12,000 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 21, 2006	MKSI	M	7,687	—	—	35,405 Direct	-17.84%	Disposed	(price as of 2026-08-21)
Feb. 21, 2006	MKSI	S	7,687	$22.90	$176,032	0 Direct	-100.00%	Disposed	1136.5% (price as of 2026-08-21)
Feb. 21, 2006	MKSI	M	7,687	$4.43	$34,053	7,687 Direct	—	Acquired	6291.6% (price as of 2026-08-21)
May 9, 2005	MKSI	A	12,000	—	—	12,000 Direct	—	Acquired	(price as of 2026-08-21)
May 13, 2004	MKSI	A	12,000	—	—	12,000 Direct	—	Acquired	(price as of 2026-08-21)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
July 15, 2015	MKSI	Director Stock Option (Right to Buy)	Common Stock (12,000)	$24.35	May 8, 2016	12,000	Disposed
March 2, 2015	MKSI	Director Stock Option (Right to Buy)	Common Stock (12,000)	$15.84	May 8, 2015	12,000	Disposed
Feb. 3, 2014	MKSI	Director Stock Option (Right to Buy)	Common Stock (12,000)	$20.07	May 14, 2014	12,000	Disposed
Nov. 26, 2012	MKSI	Stock Option (Right to Buy)	Common Stock (12,000)	$17.06	May 14, 2013	12,000	Disposed
May 17, 2010	MKSI	Director Stock Option (Right to Buy)	Common Stock (6,000)	$44.88	May 17, 2010	6,000	Disposed
May 4, 2008	MKSI	Restricted Stock Unit	Common (4,000)	—	—	4,000	Disposed
May 7, 2007	MKSI	Restricted Stock Unit	Common (4,000)	—	—	4,000	Acquired
April 30, 2007	MKSI	Director Stock option (right to buy)	Common (6,000)	—	Aug. 8, 1988	6,000	Disposed
April 30, 2007	MKSI	Director Stock option (right to buy)	Common (905)	—	Aug. 8, 1988	905	Disposed
May 8, 2006	MKSI	Director Stock Option (Right to Buy) 2006	Common (12,000)	$24.35	May 8, 2016	12,000	Acquired
Feb. 21, 2006	MKSI	Director Stock option (right to buy)	Common (7,687)	—	Aug. 8, 1988	7,687	Disposed
May 9, 2005	MKSI	Director Stock Option 2005 (right to buy)	Common (12,000)	$15.84	May 8, 2015	12,000	Acquired
May 13, 2004	MKSI	Director Stock Option (Right to Buy)	Common (12,000)	$20.07	May 14, 2014	12,000	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).