Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 87 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

87 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Nov. 1, 2021 ONTO S 10b5-1 5,275 $80.48 $424,532 15,101 Direct -25.89% Disposed 289.8% (price as of 2026-10-06)
Dec. 16, 2013 MKSI S 10b5-1 5,000 $29.15 $145,750 109,106 Direct -4.38% Disposed 865.4% (price as of 2026-10-06)
Oct. 18, 2013 MKSI S 10b5-1 31,800 $29.02 $922,836 114,106 Direct -21.79% Disposed 869.7% (price as of 2026-10-06)
Feb. 17, 2012 MKSI S 5,400 $32.04 $173,016 36,937 Direct -12.75% Disposed 778.3% (price as of 2026-10-06)
Feb. 17, 2012 MKSI S 3,200 $32.05 $102,560 39,137 Direct -7.56% Disposed 778.0% (price as of 2026-10-06)
March 5, 2011 MKSI S 10b5-1 50,000 $32.02 $1,601,000 5,013 Direct -90.89% Disposed 778.9% (price as of 2026-10-06)
Feb. 16, 2011 MKSI S 38,916 $30.01 $1,167,869 5,013 Direct -88.59% Disposed 837.7% (price as of 2026-10-06)
Feb. 8, 2011 MKSI S 10,400 $30.27 $314,808 103,349 Direct -9.14% Disposed 829.7% (price as of 2026-10-06)
Feb. 8, 2011 MKSI S 98,336 $30.14 $2,963,847 5,013 Direct -95.15% Disposed 833.7% (price as of 2026-10-06)
Feb. 8, 2011 MKSI S 2,800 $30.27 $84,756 28,213 Direct -9.03% Disposed 829.7% (price as of 2026-10-06)
Feb. 8, 2011 MKSI S 23,200 $30.08 $697,856 5,013 Direct -82.23% Disposed 835.5% (price as of 2026-10-06)
Feb. 7, 2011 MKSI S 4,000 $30.62 $122,480 5,013 Direct -44.38% Disposed 819.0% (price as of 2026-10-06)
Feb. 7, 2011 MKSI S 16,264 $30.66 $498,654 5,013 Direct -76.44% Disposed 817.8% (price as of 2026-10-06)

Showing latest 100 of 192 transactions

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Dec. 30, 2013 MKSI Restricted Stock Unit Common Stock (54,999) · · 54,999 Disposed
Dec. 30, 2013 MKSI Restricted Stock Unit Common Stock (36,747) · · 36,747 Disposed
Oct. 18, 2013 MKSI Stock Option (Right to Buy) Common Stock (31,800) $27.11 Nov. 11, 2013 31,800 Disposed
March 4, 2013 MKSI Restricted Stock Unit Common Stock (10,834) · · 10,834 Disposed
March 4, 2013 MKSI Restricted Stock Unit Common Stock (14,625) · · 14,625 Disposed
Feb. 28, 2013 MKSI Restricted Stock Unit Common Stock (8,328) · · 8,328 Disposed
Feb. 28, 2013 MKSI Restricted Stock Unit Common Stock (11,825) · · 11,825 Disposed
Feb. 25, 2013 MKSI Restricted Stock Unit Common Stock (44,577) · · 44,577 Acquired
Feb. 25, 2013 MKSI Restricted Stock Unit Common Stock (29,718) · · 29,718 Acquired
Feb. 25, 2013 MKSI Restricted Stock Unit Common Stock (8,476) · · 8,476 Disposed
Feb. 25, 2013 MKSI Restricted Stock Unit Common Stock (12,460) · · 12,460 Disposed
Jan. 30, 2013 MKSI Restricted Stock Unit Common Stock (763) · · 763 Disposed
March 16, 2012 MKSI Restricted Stock Unit Common Stock (6,090) · · 6,090 Disposed
March 16, 2012 MKSI Restricted Stock Unit Common Stock (8,526) · · 8,526 Disposed
March 5, 2012 MKSI Restricted Stock Unit Common Stock (10,833) · · 10,833 Disposed
March 5, 2012 MKSI Restricted Stock Unit Common Stock (14,626) · · 14,626 Disposed
Feb. 28, 2012 MKSI Restricted Stock Unit Common Stock (8,327) · · 8,327 Disposed
Feb. 28, 2012 MKSI Restricted Stock Unit Common Stock (11,825) · · 11,825 Disposed
Feb. 27, 2012 MKSI Restricted Stock Unit Common Stock (999) · · 999 Disposed
Feb. 27, 2012 MKSI Restricted Stock Unit [F1] Common Stock (999) · · 999 Disposed
Feb. 23, 2012 MKSI Restricted Stock Unit Common Stock (38,144) · · 38,144 Acquired
Feb. 23, 2012 MKSI Restricted Stock Unit Common Stock (25,429) · · 25,429 Acquired
Feb. 17, 2012 MKSI Stock Option (Right to Buy) Common Stock (3,200) $27.11 Nov. 11, 2013 3,200 Disposed
Feb. 17, 2012 MKSI Stock Option (Right to Buy) Common Stock (5,400) $29.93 Jan. 6, 2014 5,400 Disposed
March 16, 2011 MKSI Restricted Stock Unit Common Stock (6,090) · · 6,090 Disposed
March 16, 2011 MKSI Restricted Stock Unit Common Stock (0) · · 8,526 Disposed
March 10, 2011 MKSI Restricted Stock Unit Common Stock (8,700) · · 8,700 Disposed
March 10, 2011 MKSI Restricted Stock Unit Common Stock (6,037) · · 6,037 Disposed
March 4, 2011 MKSI Restricted Stock Unit Common Stock (10,833) · · 10,833 Disposed
March 4, 2011 MKSI Restricted Stock Unit Common Stock (14,624) · · 14,624 Disposed
March 4, 2011 MKSI Stock Option (Right to Buy) Common Stock (50,000) $14.72 July 30, 2014 50,000 Disposed
Feb. 28, 2011 MKSI Restricted Stock Unit Common Stock (37,475) · · 37,475 Acquired
Feb. 28, 2011 MKSI Restricted Stock Unit Common Stock (24,983) · · 24,983 Acquired
Feb. 17, 2011 MKSI Restricted Stock Unit [F1] Common Stock (1,083) · · 1,083 Disposed
Feb. 17, 2011 MKSI Restricted Stock Unit Common Stock (0) · · 542 Disposed
Feb. 16, 2011 MKSI Stock Option (Right to Buy) Common Stock (38,916) $17.60 July 1, 2013 38,916 Disposed
Feb. 8, 2011 MKSI Stock Option (Right to Buy) Common Stock (108,736) $24.50 Nov. 14, 2011 108,736 Disposed
Feb. 8, 2011 MKSI Stock Option (Right to Buy) Common Stock (26,000) $23.50 Jan. 30, 2012 26,000 Disposed
Feb. 7, 2011 MKSI Stock Option (Right to Buy) Common Stock (4,000) $23.50 Jan. 30, 2012 4,000 Disposed
Feb. 7, 2011 MKSI Stock Option (Right to Buy) Common Stock (16,264) $24.50 Nov. 14, 2011 16,264 Disposed
April 30, 2010 MKSI Stock Option (Right to Buy) Common Stock (10,884) $17.60 July 1, 2013 10,884 Disposed
April 29, 2010 MKSI Stock Option (Right to Buy) Common Stock (14,800) $16.88 Nov. 22, 2012 14,800 Disposed
April 27, 2010 MKSI Stock Option (Right to Buy) Common Stock (200) $17.60 July 1, 2013 200 Disposed
April 27, 2010 MKSI Stock Option (Right to Buy) Common Stock (500) $16.88 Nov. 22, 2012 500 Disposed
April 26, 2010 MKSI Stock Option (Right to Buy) Common Stock (30,000) $17.25 March 21, 2011 30,000 Disposed
April 26, 2010 MKSI Stock Option (Right to Buy) Common Stock (375) $17.60 July 1, 2013 375 Disposed
April 26, 2010 MKSI Stock Option (Right to Buy) Common Stock (482) $12.97 Feb. 7, 2013 482 Disposed
April 26, 2010 MKSI Stock Option (Right to Buy) Common Stock (14,700) $16.88 Nov. 22, 2012 14,700 Disposed
April 26, 2010 MKSI Stock Option (Right to Buy) Common Stock (466) $18.44 June 24, 2012 466 Disposed
April 26, 2010 MKSI Stock Option (Right to Buy) Common Stock (880) $20.02 Oct. 15, 2011 880 Disposed
March 16, 2010 MKSI Restricted Stock Unit Common Stock (6,090) · · 6,090 Disposed
March 16, 2010 MKSI Restricted Stock Unit Common Stock (8,526) · · 8,526 Disposed
March 10, 2010 MKSI Restricted Stock Unit Common Stock (8,700) · · 8,700 Disposed
March 10, 2010 MKSI Restricted Stock Unit Common Stock (6,038) · · 6,038 Disposed
March 4, 2010 MKSI Restricted Stock Unit Common Stock (45,500) · · 45,500 Acquired
March 4, 2010 MKSI Restricted Stock Unit Common Stock (32,500) · · 32,500 Acquired
March 1, 2010 MKSI Restricted Stock Unit Common Stock (8,284) · · 8,284 Disposed
Jan. 4, 2010 MKSI Stock Option (Right to Buy) Common Stock (11,000) $32.00 Jan. 4, 2010 11,000 Disposed
March 16, 2009 MKSI Restricted Stock Unit Common Stock (36,540) · · 36,540 Acquired
March 10, 2009 MKSI Restricted Stock Unit Common Stock (14,738) · · 14,738 Disposed
March 2, 2009 MKSI Restricted Stock Unit Common Stock (11,043) · · 11,043 Disposed
April 29, 2008 MKSI Stock Option (right to buy) Common (60,000) · Aug. 8, 1988 60,000 Disposed
March 10, 2008 MKSI Restricted Stock Unit Common (52,200) · · 52,200 Acquired
March 1, 2008 MKSI Restricted Stock Unit Common (11,043) · · 11,043 Disposed
March 1, 2007 MKSI Restricted Stock Unit Common (35,000) · · 35,000 Acquired
Aug. 8, 2006 MKSI Stock Option (right to buy) Common (20,000) · Aug. 8, 1988 20,000 Disposed
Dec. 14, 2005 MKSI Stock Option (right to buy) Common (10,000) · Aug. 8, 1988 10,000 Disposed
May 5, 2005 MKSI Stock Option (right to buy) Common (10,000) · Aug. 8, 1988 10,000 Disposed
July 30, 2004 MKSI Stock Option (Right to Buy) Common (50,000) $14.72 July 30, 2014 50,000 Acquired
May 28, 2004 MKSI Stock Option (right to buy) Common (5,000) · Aug. 8, 1988 5,000 Disposed
Jan. 5, 2004 MKSI Stock Option (roght to buy) Common (15,000) $29.93 Jan. 6, 2014 15,000 Acquired
Nov. 12, 2003 MKSI Stock Option (right to buy) [F1] Common (5,000) · Aug. 8, 1988 5,000 Disposed
Nov. 11, 2003 MKSI Stock Option (right to buy) Common (35,000) $27.11 Nov. 13, 2013 35,000 Acquired
Sept. 16, 2003 MKSI Stock Option (right to buy) Common (4,900) · Aug. 8, 1988 4,900 Disposed
Sept. 8, 2003 MKSI Stock Option (right to buy) [F1] Common (5,100) · Aug. 8, 1988 5,100 Disposed
July 28, 2003 MKSI Stock Option (right to buy) Common (30,000) · Aug. 8, 1988 30,000 Disposed

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

Initial ownership (Form 3) 1 holding

07

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

DateTickerSecuritySharesOwnership
Oct. 29, 2019 ONTO No securities beneficially owned 0 Direct

Compensation (DEF 14A)

08

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

MKSI

Former CEO
Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2013 $661,904 · · · · · $5,768,817 $8,030,721
2012 $624,519 · · · $455,899 $2,639,240 $52,773 $5,372,431
2011 $600,005 · · · $534,004 $3,999,642 $55,768 $6,689,419

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