MKS INC — Director's Dealing 2019

Oct 30, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MKS INSTRUMENTS INC (MKSI)
CIK: 0001049502
Period of Report: 2019-10-28

Reporting Person: Burke Kathleen Flaherty (Sr. VP, GC & Secretary)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-10-28	Restricted Stock Unit	$	A	4358.058	Acquired		Common Stock (4358.058)	Direct

Footnotes

F1: Each restricted stock unit represents the contingent right to receive one share of common stock of MKS Instruments, Inc.

F2: These RSUs shall vest in two equal annual installments on each of the second anniversary and third anniversary of the date of grant.