Cristina Amon

Insider

First SEC filing: May 9, 2007 · Latest: May 9, 2007

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.

Insider at

MKSI selling Dec. 16, 2015

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
Dec. 16, 2015	MKSI	S	1,500	$36.09	$54,135	29,283 Direct	-4.87%	Disposed	664.7% (price as of 2026-08-20)
May 4, 2015	MKSI	A	3,959	—	—	30,783 Direct	+14.76%	Acquired	(price as of 2026-08-20)
Nov. 3, 2014	MKSI	S	556	$36.55	$20,322	26,824 Direct	-2.03%	Disposed	655.1% (price as of 2026-08-20)
May 8, 2014	MKSI	A	4,405	—	—	27,380 Direct	+19.17%	Acquired	(price as of 2026-08-20)
March 4, 2014	MKSI	S	5,111	$30.25	$154,608	22,974 Direct	-18.20%	Disposed	812.4% (price as of 2026-08-20)
May 6, 2013	MKSI	A	4,418	—	—	28,085 Direct	+18.67%	Acquired	(price as of 2026-08-20)
May 7, 2012	MKSI	A	6,000	—	—	23,667 Direct	+33.96%	Acquired	(price as of 2026-08-20)
Nov. 11, 2011	MKSI	S	1,111	$28.00	$31,108	17,667 Direct	-5.92%	Disposed	885.7% (price as of 2026-08-20)
Nov. 11, 2011	MKSI	S	2,000	$27.00	$54,000	18,778 Direct	-9.63%	Disposed	922.2% (price as of 2026-08-20)
May 2, 2011	MKSI	A	6,000	—	—	20,778 Direct	+40.60%	Acquired	(price as of 2026-08-20)
Feb. 17, 2011	MKSI	S	1,667	$30.75	$51,260	14,778 Direct	-10.14%	Disposed	797.5% (price as of 2026-08-20)
Feb. 16, 2011	MKSI	S	2,000	$30.13	$60,260	16,445 Direct	-10.84%	Disposed	816.0% (price as of 2026-08-20)
Dec. 15, 2010	MKSI	S	1,665	$22.17	$36,913	18,445 Direct	-8.28%	Disposed	1144.9% (price as of 2026-08-20)
Sept. 15, 2010	MKSI	S	556	$18.41	$10,236	20,110 Direct	-2.69%	Disposed	1399.1% (price as of 2026-08-20)
May 7, 2010	MKSI	M	556	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 7, 2010	MKSI	M	556	—	—	20,666 Direct	+2.76%	Acquired	(price as of 2026-08-20)
May 3, 2010	MKSI	A	6,000	—	—	20,110 Direct	+42.52%	Acquired	(price as of 2026-08-20)
Feb. 8, 2010	MKSI	M	555	—	—	556 Direct	-49.95%	Disposed	(price as of 2026-08-20)
Feb. 8, 2010	MKSI	M	555	—	—	14,110 Direct	+4.09%	Acquired	(price as of 2026-08-20)
Nov. 9, 2009	MKSI	M	556	—	—	1,111 Direct	-33.35%	Disposed	(price as of 2026-08-20)
Nov. 9, 2009	MKSI	M	556	—	—	13,555 Direct	+4.28%	Acquired	(price as of 2026-08-20)
Aug. 7, 2009	MKSI	M	555	—	—	1,667 Direct	-24.98%	Disposed	(price as of 2026-08-20)
Aug. 7, 2009	MKSI	M	555	—	—	12,999 Direct	+4.46%	Acquired	(price as of 2026-08-20)
May 7, 2009	MKSI	M	556	—	—	2,222 Direct	-20.01%	Disposed	(price as of 2026-08-20)
May 7, 2009	MKSI	M	556	—	—	12,444 Direct	+4.68%	Acquired	(price as of 2026-08-20)
May 4, 2009	MKSI	A	4,000	—	—	11,888 Direct	+50.71%	Acquired	(price as of 2026-08-20)
Feb. 9, 2009	MKSI	M	555	—	—	2,778 Direct	-16.65%	Disposed	(price as of 2026-08-20)
Feb. 9, 2009	MKSI	M	555	—	—	7,888 Direct	+7.57%	Acquired	(price as of 2026-08-20)
Nov. 7, 2008	MKSI	M	556	—	—	3,333 Direct	-14.30%	Disposed	(price as of 2026-08-20)
Nov. 7, 2008	MKSI	M	556	—	—	7,333 Direct	+8.20%	Acquired	(price as of 2026-08-20)
Aug. 7, 2008	MKSI	M	555	$21.59	$11,982	6,777 Direct	+8.92%	Acquired	1178.3% (price as of 2026-08-20)
Aug. 7, 2008	MKSI	M	555	—	—	3,889 Direct	-12.49%	Disposed	(price as of 2026-08-20)
May 7, 2008	MKSI	M	556	—	—	4,444 Direct	-11.12%	Disposed	(price as of 2026-08-20)
May 7, 2008	MKSI	M	556	—	—	6,222 Direct	+9.81%	Acquired	(price as of 2026-08-20)
May 5, 2008	MKSI	A	4,000	—	—	5,666 Direct	+240.10%	Acquired	(price as of 2026-08-20)
Feb. 7, 2008	MKSI	M	555	—	—	1,666 Direct	+49.95%	Acquired	(price as of 2026-08-20)
Feb. 7, 2008	MKSI	M	555	—	—	5,000 Direct	-9.99%	Disposed	(price as of 2026-08-20)
Nov. 7, 2007	MKSI	M	556	—	—	5,555 Direct	-9.10%	Disposed	(price as of 2026-08-20)
Nov. 7, 2007	MKSI	M	556	—	—	1,111 Direct	+100.18%	Acquired	(price as of 2026-08-20)
Aug. 7, 2007	MKSI	M	555	—	—	6,111 Direct	-8.33%	Disposed	(price as of 2026-08-20)
Aug. 7, 2007	MKSI	M	555	—	—	555 Direct	—	Acquired	(price as of 2026-08-20)

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
May 7, 2010	MKSI	Restricted Stock Unit	Common Stock (556)	—	—	556	Disposed
Feb. 8, 2010	MKSI	Restricted Stock Unit	Common Stock (555)	—	—	555	Disposed
Nov. 9, 2009	MKSI	Restricted Stock Unit	Common Stock (556)	—	—	556	Disposed
Aug. 7, 2009	MKSI	Restricted Stock Unit	Common Stock (555)	—	—	555	Disposed
May 7, 2009	MKSI	Restricted Stock Unit	Common Stock (556)	—	—	556	Disposed
Feb. 9, 2009	MKSI	Restricted Stock Unit	Common Stock (555)	—	—	555	Disposed
Nov. 7, 2008	MKSI	Restricted Stock Unit	Common Stock (556)	—	—	556	Disposed
Aug. 7, 2008	MKSI	Restricted Stock Unit	Common Stock (555)	—	—	555	Disposed
May 7, 2008	MKSI	Restricted Stock Unit	Common (556)	—	—	556	Disposed
Feb. 7, 2008	MKSI	Restricted Stock Unit	Common (555)	—	—	555	Disposed
Nov. 7, 2007	MKSI	Restricted Stock Unit	Common (556)	—	—	556	Disposed
Aug. 7, 2007	MKSI	Restricted Stock Unit	Common (555)	—	—	555	Disposed

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

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
May 9, 2007	MKSI	Restricted Stock Unit→ Common (6,666)	6,666	Direct