Paul Eyerman

Insider

First SEC filing: May 11, 2010 · Latest: Jan. 6, 2011

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.
Initial holdings The stakes this person held when they first started reporting.
Compensation Executive pay disclosed in company proxy statements.

Insider at

MKSI buying Nov. 29, 2013

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 30 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

30 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Jan. 30, 2014	MKSI	J	598	—	—	10,121 Direct	+6.28%	Acquired	(price as of 2026-08-19)
Nov. 29, 2013	MKSI	P	274	$23.96	$6,565	17,375 Direct	+1.60%	Acquired	1091.1% (price as of 2026-08-19)
May 31, 2013	MKSI	P	520	$20.42	$10,618	17,101 Direct	+3.14%	Acquired	1297.6% (price as of 2026-08-19)
April 11, 2013	MKSI	M	2,043	—	—	8,435 Direct	-19.50%	Disposed	(price as of 2026-08-19)
April 11, 2013	MKSI	F 10b5-1	756	$26.84	$20,291	16,581 Direct	-4.36%	Disposed	963.3% (price as of 2026-08-19)
April 11, 2013	MKSI	M	2,043	—	—	17,337 Direct	+13.36%	Acquired	(price as of 2026-08-19)
April 9, 2013	MKSI	M	5,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
April 9, 2013	MKSI	F 10b5-1	1,849	$26.06	$48,185	15,294 Direct	-10.79%	Disposed	995.1% (price as of 2026-08-19)
April 9, 2013	MKSI	M	5,000	—	—	17,143 Direct	+41.18%	Acquired	(price as of 2026-08-19)
Feb. 25, 2013	MKSI	A	6,408	—	—	9,523 Direct	+205.71%	Acquired	(price as of 2026-08-19)
Feb. 25, 2013	MKSI	A	4,272	—	—	10,478 Direct	+68.84%	Acquired	(price as of 2026-08-19)
Feb. 25, 2013	MKSI	M	1,059	—	—	6,207 Direct	-14.57%	Disposed	(price as of 2026-08-19)
Feb. 25, 2013	MKSI	M	1,557	—	—	3,115 Direct	-33.33%	Disposed	(price as of 2026-08-19)
Feb. 25, 2013	MKSI	F	944	$26.92	$25,412	12,143 Direct	-7.21%	Disposed	960.1% (price as of 2026-08-19)
Feb. 25, 2013	MKSI	M	1,059	—	—	13,087 Direct	+8.80%	Acquired	(price as of 2026-08-19)
Feb. 25, 2013	MKSI	M	1,557	—	—	12,028 Direct	+14.87%	Acquired	(price as of 2026-08-19)
Jan. 30, 2013	MKSI	J	95	—	—	4,673 Direct	-1.99%	Disposed	(price as of 2026-08-19)
Nov. 30, 2012	MKSI	P	327	$20.61	$6,739	10,471 Direct	+3.22%	Acquired	1284.7% (price as of 2026-08-19)
May 31, 2012	MKSI	A	478	$22.23	$10,626	10,144 Direct	+4.95%	Acquired	1183.8% (price as of 2026-08-19)
May 29, 2012	MKSI	M	4,000	—	—	5,000 Direct	-44.44%	Disposed	(price as of 2026-08-19)
May 29, 2012	MKSI	F 10b5-1	1,443	$26.43	$38,138	9,666 Direct	-12.99%	Disposed	979.8% (price as of 2026-08-19)
May 29, 2012	MKSI	M	4,000	—	—	11,109 Direct	+56.27%	Acquired	(price as of 2026-08-19)
April 11, 2012	MKSI	M	2,042	—	—	7,266 Direct	-21.94%	Disposed	(price as of 2026-08-19)
April 11, 2012	MKSI	F 10b5-1	737	$27.80	$20,489	7,109 Direct	-9.39%	Disposed	926.5% (price as of 2026-08-19)
April 11, 2012	MKSI	M	2,042	—	—	7,846 Direct	+35.18%	Acquired	(price as of 2026-08-19)
Feb. 23, 2012	MKSI	A	4,768	—	—	4,768 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 23, 2012	MKSI	A	3,179	—	—	9,308 Direct	+51.87%	Acquired	(price as of 2026-08-19)
Nov. 30, 2011	MKSI	A	277	$21.62	$5,989	5,804 Direct	+5.01%	Acquired	1220.0% (price as of 2026-08-19)
May 31, 2011	MKSI	A	582	$18.26	$10,627	5,527 Direct	+11.77%	Acquired	1462.9% (price as of 2026-08-19)
April 11, 2011	MKSI	A	6,129	—	—	6,129 Direct	—	Acquired	(price as of 2026-08-19)
March 28, 2011	MKSI	M	4,250	—	—	9,000 Direct	-32.08%	Disposed	(price as of 2026-08-19)
March 28, 2011	MKSI	F 10b5-1	1,540	$32.32	$49,773	4,945 Direct	-23.75%	Disposed	783.0% (price as of 2026-08-19)
March 28, 2011	MKSI	M	4,250	—	—	6,485 Direct	+190.16%	Acquired	(price as of 2026-08-19)

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
Jan. 30, 2014	MKSI	Restricted Stock Unit	Common Stock (598)	—	—	598	Acquired
April 11, 2013	MKSI	Restricted Stock Unit	Common Stock (2,043)	—	—	2,043	Disposed
April 9, 2013	MKSI	Restricted Stock Unit	Common Stock (5,000)	—	—	5,000	Disposed
Feb. 25, 2013	MKSI	Restricted Stock Unit	Common Stock (6,408)	—	—	6,408	Acquired
Feb. 25, 2013	MKSI	Restricted Stock Unit	Common Stock (4,272)	—	—	4,272	Acquired
Feb. 25, 2013	MKSI	Restricted Stock Unit	Common Stock (1,059)	—	—	1,059	Disposed
Feb. 25, 2013	MKSI	Restricted Stock Unit	Common Stock (1,557)	—	—	1,557	Disposed
Jan. 30, 2013	MKSI	Restricted Stock Unit	Common Stock (95)	—	—	95	Disposed
May 29, 2012	MKSI	Restricted Stock Unit	Common Stock (4,000)	—	—	4,000	Disposed
April 11, 2012	MKSI	Restricted Stock Unit	Common Stock (2,042)	—	—	2,042	Disposed
Feb. 23, 2012	MKSI	Restricted Stock Unit	Common Stock (4,768)	—	—	4,768	Acquired
Feb. 23, 2012	MKSI	Restricted Stock Unit	Common Stock (3,179)	—	—	3,179	Acquired
April 11, 2011	MKSI	Restricted Stock Unit	Common Stock (6,129)	—	—	6,129	Acquired
March 28, 2011	MKSI	Restricted Stock Unit	Common Stock (4,250)	—	—	4,250	Disposed

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

Initial ownership (Form 3) 3 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
May 11, 2010	MKSI	Common Stock	100	Direct
May 11, 2010	MKSI	Restricted Stock Unit→ Common Stock (2,647)	2,647	Direct
May 11, 2010	MKSI	Restricted Stock Unit→ Common Stock (13,250)	13,250	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

MKSI

Vice President andGeneral Manager, ENI Products

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2013	$262,212	—	—	—	$184,859	—	$23,811	$700,882

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.