Dennis L Werth

CIK 1550572 · View on SEC EDGAR ↗

Insider

First SEC filing: May 5, 2016 · Latest: May 5, 2016

On this page

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 56 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

56 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Dec. 15, 2017 MKSI S 2,022 $97.90 $197,954 3,889 Direct -34.21% Disposed 181.9% (price as of 2026-08-20)
Dec. 14, 2017 MKSI S 1,617 $95.62 $154,618 2,582 Direct -38.51% Disposed 188.6% (price as of 2026-08-20)
Nov. 17, 2016 MKSI S 2,333 $56.41 $131,605 0 Direct -100.00% Disposed 389.3% (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
April 2, 2018 MKSI Restricted Stock Unit Common Stock (2,456) — — 2,456 Disposed
Feb. 15, 2018 MKSI Restricted Stock Unit Common Stock (2,013) — — 2,013 Disposed
Feb. 15, 2018 MKSI Restricted Stock Unit Common Stock (2,034) — — 2,034 Disposed
Feb. 15, 2018 MKSI Restricted Stock Unit Common Stock (4,058) — — 4,058 Disposed
Feb. 15, 2018 MKSI Restricted Stock Unit Common Stock (1,098) — — 1,098 Disposed
Feb. 15, 2018 MKSI Restricted Stock Unit Common Stock (142) — — 142 Disposed
Feb. 15, 2018 MKSI Restricted Stock Unit Common Stock (1,723) — — 1,723 Disposed
Feb. 15, 2018 MKSI Restricted Stock Unit Common Stock (2,085) — — 2,085 Disposed
Feb. 15, 2018 MKSI Restricted Stock Unit Common Stock (3,150) — — 3,150 Acquired
Feb. 15, 2018 MKSI Restricted Stock Unit Common Stock (4,725) — — 4,725 Acquired
Feb. 12, 2018 MKSI Restricted Stock Unit Common Stock (1,499) — — 1,499 Disposed
Dec. 15, 2017 MKSI Stock Appreciation Right Common Stock (5,911) $27.89 April 12, 2019 5,911 Disposed
Dec. 14, 2017 MKSI Stock Appreciation Right Common Stock (4,199) $27.79 May 17, 2018 4,199 Disposed
March 31, 2017 MKSI Restricted Stock Unit Common Stock (2,455) — — 2,455 Disposed
March 31, 2017 MKSI Restricted Stock Unit Common Stock (2,952) — — 2,952 Disposed
Feb. 15, 2017 MKSI Restricted Stock Unit Common Stock (732) — — 732 Disposed
Feb. 15, 2017 MKSI Restricted Stock Unit Common Stock (2,705) — — 2,705 Disposed
Feb. 15, 2017 MKSI Restricted Stock Unit Common Stock (2,033) — — 2,033 Disposed
Feb. 15, 2017 MKSI Restricted Stock Unit Common Stock (2,013) — — 2,013 Disposed
Feb. 15, 2017 MKSI Restricted Stock Unit Common Stock (427) — — 427 Acquired
Feb. 15, 2017 MKSI Restricted Stock Unit Common Stock (5,170) — — 5,170 Acquired
Feb. 15, 2017 MKSI Restricted Stock Unit Common Stock (7,755) — — 7,755 Acquired
Feb. 13, 2017 MKSI Restricted Stock Unit Common Stock (3,111) — — 3,111 Disposed
Nov. 17, 2016 MKSI Stock Appreciation Right Common Stock (5,838) $20.32 March 31, 2017 5,838 Disposed
May 31, 2016 MKSI Restricted Stock Unit Common Stock (13,529) — — 13,529 Acquired
May 31, 2016 MKSI Restricted Stock Unit Common Stock (3,660) — — 3,660 Acquired
May 31, 2016 MKSI Restricted Stock Unit Common Stock (9,151) — — 9,151 Acquired
May 31, 2016 MKSI Restricted Stock Unit Common Stock (6,101) — — 6,101 Acquired

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

Initial ownership (Form 3) 8 holdings

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

Date Ticker Security Shares Ownership
May 5, 2016 MKSI Stock Appreciation Right→ Common Stock (5,838) 5,838 Direct
May 5, 2016 MKSI Stock Appreciation Right→ Common Stock (4,199) 4,199 Direct
May 5, 2016 MKSI Stock Appreciation Right→ Common Stock (5,911) 5,911 Direct
May 5, 2016 MKSI Stock Appreciation Right→ Common Stock (10,313) 10,313 Direct
May 5, 2016 MKSI Restricted Stock Unit→ Common Stock (2,952) 2,952 Direct
May 5, 2016 MKSI Stock Appreciation Right→ Common Stock (8,858) 8,858 Direct
May 5, 2016 MKSI Restricted Stock Unit→ Common Stock (4,911) 4,911 Direct
May 5, 2016 MKSI Stock Appreciation Right→ Common Stock (7,366) 7,366 Direct

Compensation (DEF 14A)

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

MKSI

Sr. Vice President of Business Units(6)
Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2017 $432,692 — — — $616,587 — $58,696 $1,836,883
2016 $277,115 — — — $274,284 — $18,030 $1,773,829

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