Gerard G Colella

CIK 1256715 · View on SEC EDGAR ↗

Insider

First SEC filing: Jan. 28, 2004 · Latest: Feb. 6, 2019

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Insider at

Insider transactions

0 buys (P) 9 sells (S) Net: $-11,736,775 + 77 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

77 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
May 27, 2026 MKSI S 10b5-1 2,800 $338.58 $948,024 20,017 Indirect -12.27% Disposed -16.4% (price as of 2026-08-21)
May 27, 2026 MKSI S 10b5-1 213 $337.05 $71,792 22,817 Indirect -0.92% Disposed -16.0% (price as of 2026-08-21)
May 27, 2026 MKSI S 10b5-1 1,626 $336.54 $547,214 23,030 Indirect -6.59% Disposed -15.9% (price as of 2026-08-21)
May 27, 2026 MKSI S 10b5-1 1,811 $335.46 $607,518 24,656 Indirect -6.84% Disposed -15.6% (price as of 2026-08-21)
May 27, 2026 MKSI S 10b5-1 4,876 $332.04 $1,619,027 26,467 Indirect -15.56% Disposed -14.7% (price as of 2026-08-21)
May 27, 2026 MKSI S 10b5-1 8,210 $331.45 $2,721,204 31,343 Indirect -20.76% Disposed -14.6% (price as of 2026-08-21)
May 27, 2026 MKSI S 10b5-1 464 $330.38 $153,296 39,553 Indirect -1.16% Disposed -14.3% (price as of 2026-08-21)
Feb. 24, 2026 MKSI S 10,000 $253.97 $2,539,700 40,017 Indirect -19.99% Disposed 11.5% (price as of 2026-08-21)
Feb. 20, 2026 MKSI S 10,000 $252.90 $2,529,000 50,017 Indirect -16.66% Disposed 12.0% (price as of 2026-08-21)
Feb. 18, 2025 MKSI S 8,000 $104.53 $836,240 60,017 Indirect -11.76% Disposed 170.9% (price as of 2026-08-21)
Feb. 13, 2025 CMCO P 5,500 $20.47 $112,585 5,500 Indirect — Acquired -13.9% (price as of 2026-08-21)
Feb. 9, 2024 MKSI S 10b5-1 10,000 $120.00 $1,200,000 68,017 Indirect -12.82% Disposed 136.0% (price as of 2026-08-21)
Jan. 22, 2024 MKSI S 10b5-1 10,000 $110.00 $1,100,000 78,017 Indirect -11.36% Disposed 157.4% (price as of 2026-08-21)
Aug. 31, 2023 MKSI S 10b5-1 10,000 $100.01 $1,000,100 88,017 Indirect -10.20% Disposed 183.1% (price as of 2026-08-21)
Aug. 1, 2022 MKSI P 1,000 $117.51 $117,510 99,017 Indirect +1.02% Acquired 141.0% (price as of 2026-08-21)
Nov. 4, 2021 MKSI S 3,000 $155.16 $465,480 97,000 Indirect -3.00% Disposed 82.5% (price as of 2026-08-21)
Aug. 3, 2020 MKSI S 6,000 $128.37 $770,220 82,596 Indirect -6.77% Disposed 120.6% (price as of 2026-08-21)
May 19, 2020 MKSI S 5,000 $100.17 $500,850 44,786 Indirect -10.04% Disposed 182.7% (price as of 2026-08-21)
May 1, 2020 MKSI S 5,000 $96.55 $482,750 49,786 Indirect -9.13% Disposed 193.3% (price as of 2026-08-21)
Feb. 4, 2020 MKSI S 7,000 $113.05 $791,350 50,748 Indirect -12.12% Disposed 150.5% (price as of 2026-08-21)
Oct. 28, 2019 MKSI S 5,000 $111.03 $555,150 38,548 Indirect -11.48% Disposed 155.0% (price as of 2026-08-21)
June 11, 2019 MKSI S 5,000 $75.82 $379,100 43,548 Indirect -10.30% Disposed 273.5% (price as of 2026-08-21)
May 1, 2018 MKSI S 10b5-1 10,000 $101.92 $1,019,200 36,296 Indirect -21.60% Disposed 177.8% (price as of 2026-08-21)

Showing latest 100 of 411 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.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
July 2, 2020 MKSI Restricted Stock Unit Common Stock (7,086) — — 7,086 Disposed
July 2, 2020 MKSI Restricted Stock Unit Common Stock (6,607) — — 6,607 Disposed
July 2, 2020 MKSI Restricted Stock Unit Common Stock (7,261) — — 7,261 Disposed
July 2, 2020 MKSI Restricted Stock Unit Common Stock (7,552) — — 7,552 Disposed
July 2, 2020 MKSI Restricted Stock Unit Common Stock (7,551) — — 7,551 Disposed
July 2, 2020 MKSI Restricted Stock Unit Common Stock (7,552) — — 7,552 Disposed
July 2, 2020 MKSI Restricted Stock Unit Common Stock (7,261) — — 7,261 Disposed
July 2, 2020 MKSI Restricted Stock Unit Common Stock (5,038) — — 5,038 Disposed
July 2, 2020 MKSI Restricted Stock Unit Common Stock (5,038) — — 5,038 Disposed
July 2, 2020 MKSI Restricted Stock Unit Common Stock (6,606) — — 6,606 Disposed
July 2, 2020 MKSI Restricted Stock Unit Common Stock (8,574) — — 8,574 Disposed
Feb. 18, 2020 MKSI Restricted Stock Unit Common Stock (7,261) — — 7,261 Disposed
Jan. 27, 2020 MKSI Restricted Stock Unit Common Stock (21,783) — — 21,783 Acquired
Dec. 6, 2019 MKSI Restricted Stock Unit Common Stock (958) — — 958 Disposed
Dec. 6, 2019 MKSI Restricted Stock Unit Common Stock (559) — — 559 Disposed
Dec. 6, 2019 MKSI Restricted Stock Unit Common Stock (426) — — 426 Disposed
Dec. 6, 2019 MKSI Restricted Stock Unit Common Stock (363) — — 363 Disposed
Dec. 6, 2019 MKSI Restricted Stock Unit Common Stock (300) — — 300 Disposed
Feb. 15, 2019 MKSI Restricted Stock Unit Common Stock (5,250) — — 5,250 Disposed
Feb. 15, 2019 MKSI Restricted Stock Unit Common Stock (6,885) — — 6,885 Disposed
Feb. 15, 2019 MKSI Restricted Stock Unit Common Stock (7,386) — — 7,386 Disposed
Feb. 15, 2019 MKSI Restricted Stock Unit Common Stock (8,936) — — 8,936 Disposed
Feb. 15, 2019 MKSI Restricted Stock Unit Common Stock (11,038) — — 11,038 Disposed
Feb. 15, 2019 MKSI Restricted Stock Unit Common Stock (15,654) — — 15,654 Disposed
Feb. 15, 2019 MKSI Restricted Stock Unit Common Stock (23,613) — — 23,613 Acquired
Jan. 28, 2019 MKSI Restricted Stock Unit Common Stock (9,721) — — 9,721 Disposed
Feb. 15, 2018 MKSI Restricted Stock Unit Common Stock (7,385) — — 7,385 Disposed
Feb. 15, 2018 MKSI Restricted Stock Unit Common Stock (8,936) — — 8,936 Disposed
Feb. 15, 2018 MKSI Restricted Stock Unit Common Stock (11,038) — — 11,038 Disposed
Feb. 15, 2018 MKSI Restricted Stock Unit Common Stock (15,653) — — 15,653 Disposed
Feb. 15, 2018 MKSI Restricted Stock Unit Common Stock (9,457) — — 9,457 Disposed
Feb. 15, 2018 MKSI Restricted Stock Unit Common Stock (12,213) — — 12,213 Disposed
Feb. 15, 2018 MKSI Restricted Stock Unit Common Stock (15,752) — — 15,752 Acquired
Feb. 15, 2018 MKSI Restricted Stock Unit Common Stock (30,378) — — 30,378 Acquired
Feb. 12, 2018 MKSI Restricted Stock Unit Common Stock (6,425) — — 6,425 Disposed
May 11, 2017 MKSI Restricted Stock Unit Common Stock (9,488) — — 9,488 Disposed
Feb. 15, 2017 MKSI Restricted Stock Unit Common Stock (11,037) — — 11,037 Disposed
Feb. 15, 2017 MKSI Restricted Stock Unit Common Stock (15,653) — — 15,653 Disposed
Feb. 15, 2017 MKSI Restricted Stock Unit Common Stock (9,456) — — 9,456 Disposed
Feb. 15, 2017 MKSI Restricted Stock Unit Common Stock (12,213) — — 12,213 Disposed
Feb. 15, 2017 MKSI Restricted Stock Unit Common Stock (22,157) — — 22,157 Acquired
Feb. 15, 2017 MKSI Restricted Stock Unit Common Stock (33,235) — — 33,235 Acquired
Feb. 13, 2017 MKSI Restricted Stock Unit Common Stock (7,225) — — 7,225 Disposed
Feb. 10, 2017 MKSI Restricted Stock Unit Common Stock (8,036) — — 8,036 Disposed
Feb. 10, 2017 MKSI Restricted Stock Unit Common Stock (12,053) — — 12,053 Disposed
July 5, 2016 MKSI Restricted Stock Unit Common Stock (9,488) — — 9,488 Acquired
Feb. 25, 2016 MKSI Restricted Stock Unit Common Stock (4,954) — — 4,954 Disposed
Feb. 25, 2016 MKSI Restricted Stock Unit Common Stock (6,737) — — 6,737 Disposed
Feb. 16, 2016 MKSI Restricted Stock Unit Common Stock (33,113) — — 33,113 Acquired
Feb. 16, 2016 MKSI Restricted Stock Unit Common Stock (54,184) — — 54,184 Acquired
Feb. 16, 2016 MKSI Restricted Stock Unit Common Stock (9,456) — — 9,456 Disposed
Feb. 16, 2016 MKSI Restricted Stock Unit Common Stock (12,212) — — 12,212 Disposed
Feb. 10, 2016 MKSI Restricted Stock Unit Common Stock (8,035) — — 8,035 Disposed
Feb. 10, 2016 MKSI Restricted Stock Unit Common Stock (12,052) — — 12,052 Disposed
Jan. 26, 2016 MKSI Restricted Stock Unit Common Stock (8,043) — — 8,043 Disposed
Feb. 25, 2015 MKSI Restricted Stock Unit Common Stock (4,953) — — 4,953 Disposed
Feb. 25, 2015 MKSI Restricted Stock Unit Common Stock (6,736) — — 6,736 Disposed
Feb. 23, 2015 MKSI Restricted Stock Unit Common Stock (2,914) — — 2,914 Disposed
Feb. 23, 2015 MKSI Restricted Stock Unit Common Stock (4,283) — — 4,283 Disposed
Feb. 17, 2015 MKSI Restricted Stock Unit Common Stock (44,681) — — 44,681 Acquired
Feb. 17, 2015 MKSI Restricted Stock Unit Common Stock (28,369) — — 28,369 Acquired
Feb. 10, 2015 MKSI Restricted Stock Unit Common Stock (8,034) — — 8,034 Disposed
Feb. 10, 2015 MKSI Restricted Stock Unit Common Stock (12,051) — — 12,051 Disposed
Feb. 28, 2014 MKSI Restricted Stock Unit Common Stock (2,777) — — 2,777 Disposed
Feb. 28, 2014 MKSI Restricted Stock Unit Common Stock (3,942) — — 3,942 Disposed
Feb. 25, 2014 MKSI Restricted Stock Unit Common Stock (4,952) — — 4,952 Disposed
Feb. 25, 2014 MKSI Restricted Stock Unit Common Stock (6,736) — — 6,736 Disposed
Feb. 24, 2014 MKSI Restricted Stock Unit Common Stock (2,914) — — 2,914 Disposed
Feb. 24, 2014 MKSI Restricted Stock Unit Common Stock (4,284) — — 4,284 Disposed
Feb. 10, 2014 MKSI Restricted Stock Unit Common Stock (36,157) — — 36,157 Acquired
Feb. 10, 2014 MKSI Restricted Stock Unit Common Stock (44,766) — — 44,766 Acquired
Feb. 10, 2014 MKSI Restricted Stock Unit Common Stock (24,105) — — 24,105 Acquired
Jan. 30, 2014 MKSI Restricted Stock Unit Common Stock (2,080) — — 2,080 Disposed
Jan. 30, 2014 MKSI Restricted Stock Unit Common Stock (2,080) — — 2,080 Acquired
March 4, 2013 MKSI Restricted Stock Unit Common Stock (4,167) — — 4,167 Disposed
March 4, 2013 MKSI Restricted Stock Unit Common Stock (5,625) — — 5,625 Disposed
Feb. 28, 2013 MKSI Restricted Stock Unit Common Stock (2,776) — — 2,776 Disposed
Feb. 28, 2013 MKSI Restricted Stock Unit Common Stock (3,942) — — 3,942 Disposed
Feb. 25, 2013 MKSI Restricted Stock Unit Common Stock (22,288) — — 22,288 Acquired
Feb. 25, 2013 MKSI Restricted Stock Unit Common Stock (14,859) — — 14,859 Acquired
Feb. 25, 2013 MKSI Restricted Stock Unit Common Stock (2,913) — — 2,913 Disposed
Feb. 25, 2013 MKSI Restricted Stock Unit Common Stock (4,283) — — 4,283 Disposed
Jan. 30, 2013 MKSI Restricted Stock Unit Common Stock (262) — — 262 Disposed
March 16, 2012 MKSI Restricted Stock Unit Common Stock (2,042) — — 2,042 Disposed
March 16, 2012 MKSI Restricted Stock Unit Common Stock (2,859) — — 2,859 Disposed
March 5, 2012 MKSI Restricted Stock Unit Common Stock (4,167) — — 4,167 Disposed
March 5, 2012 MKSI Restricted Stock Unit Common Stock (5,625) — — 5,625 Disposed
Feb. 28, 2012 MKSI Restricted Stock Unit Common Stock (2,775) — — 2,775 Disposed
Feb. 28, 2012 MKSI Restricted Stock Unit Common Stock (3,942) — — 3,942 Disposed
Feb. 27, 2012 MKSI Restricted Stock Unit [F1] Common Stock (333) — — 333 Disposed
Feb. 27, 2012 MKSI Restricted Stock Unit Common Stock (333) — — 333 Disposed
Feb. 23, 2012 MKSI Restricted Stock Unit Common Stock (13,112) — — 13,112 Acquired
Feb. 23, 2012 MKSI Restricted Stock Unit Common Stock (8,741) — — 8,741 Acquired
March 30, 2011 MKSI Stock Option (Right to Buy) Common Stock (28,000) $27.11 Nov. 13, 2013 28,000 Disposed
March 16, 2011 MKSI Restricted Stock Unit Common Stock (2,042) — — 2,042 Disposed
March 16, 2011 MKSI Restricted Stock Unit Common Stock (2,858) — — 2,858 Disposed
March 10, 2011 MKSI Restricted Stock Unit Common Stock (2,917) — — 2,917 Disposed
March 10, 2011 MKSI Restricted Stock Unit Common Stock (2,024) — — 2,024 Disposed
March 4, 2011 MKSI Restricted Stock Unit Common Stock (4,166) — — 4,166 Disposed
Feb. 17, 2011 MKSI Restricted Stock Unit [F1] Common Stock (417) — — 417 Disposed

Showing latest 100 of 156 transactions

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

Initial ownership (Form 3) 4 holdings

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

Date Ticker Security Shares Ownership
Jan. 28, 2004 MKSI Common 24 Direct
Jan. 28, 2004 MKSI Stock Option (right to buy)→ Common — Direct
July 30, 2003 MKSI Common 24 Direct
July 30, 2003 MKSI Stock Option (right to buy)→ Common (280,515) 280,515 Direct

Compensation (DEF 14A)

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

MKSI

PEO
Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2019 $1,038,462 — — — $1,134,000 $3,180,682 $66,500 $9,669,644
2018 $993,269 $119,192 — — $1,227,681 $3,855,922 $64,141 $10,260,205
2017 $824,038 — — — $1,730,481 $2,824,538 $63,664 $8,442,721

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