Form Type: 4

SEC EDGAR Link
Accession Number:0001127602-21-006373
Date:2021-02-16
Issuer: MKS INSTRUMENTS INC (MKSI)
Original Submission Date:

Reporting Person:

GITIN MARK MILTON
C/O MKS INSTRUMENTS, INC.
2 TECH DRIVE, SUITE 201 ANDOVER, MA 01810

Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
Title of SecurityTransaction Date2a. Deemed Execution Date Transaction CodeSharesAcquired or DisposedPrice per share 5. Amount of Securities Beneficially Owned Following Reported Transaction 6. Ownership Form Direct or IndirectNature of Indirect Ownership
Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, convertible securities
Title of Derivative Security Conversion or Exercise Price of Derivative Security Transaction Date Deemed Execution Date Transaction Code Number of Derivative Securities Acquired (A) or Disposed of (D) Date ExercisableExpiration Date Title and Amount of Securities Underlying Derivative Security Price of Derivative Security Number of derivative Securities Beneficially Owned Following Reported Transaction(s) Ownership Form: Direct (D) or Indirect (I) Nature of Indirect Beneficial Ownership
RESTRICTED STOCK UNIT 0.0 2021-02-16 deemed execution date A 1,655 (a) common stock 1,655 $0.00 10,043 direct
Footnotes
IDfootnote
f1 each restricted stock unit (rsu) represents the contingent right to receive one share of common stock of mks instruments, inc.
f2 these rsus vest in three equal annual installments commencing on february 15, 2022, provided that if, in any vesting year, february 15th is not a business day, such vesting shall occur on the next business day.
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