Filing Details

Accession Number:
0001127602-11-010676
Form Type:
4
Zero Holdings:
No
Publication Time:
2011-03-18 10:56:48
Reporting Period:
2011-03-16
Filing Date:
2011-03-18
Accepted Time:
2011-03-18 10:56:48
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1049502 Mks Instruments Inc MKSI Industrial Instruments For Measurement, Display, And Control (3823) 042277512
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1414656 Tseng-Chung John Lee 2 Tech Drive
Andover MA 01810
Group Vp No Yes No No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Acquisiton 2011-03-16 2,042 $0.00 4,276 No 4 M Direct
Common Stock Acquisiton 2011-03-16 1,458 $0.00 5,734 No 4 M Direct
Common Stock Disposition 2011-03-16 1,285 $28.51 4,449 No 4 F Direct
Common Stock Disposition 2011-03-17 4,449 $29.31 0 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 M Direct
No 4 M Direct
No 4 F Direct
No 4 S Direct
Reported Derivative Transactions
Sec. Name Sec. Type Acquisiton - Disposition Date Amount Price Amount - 2 Price - 2
Common Stock Restricted Stock Unit Disposition 2011-03-16 2,042 $0.00 2,042 $0.00
Common Stock Restricted Stock Unit Disposition 2011-03-16 1,458 $0.00 1,458 $0.00
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
10,122 No 4 M Direct
13,373 No 4 M Direct
Footnotes
  1. Each restricted stock unit represents the contingent right to receive one share of common stock of MKS Instruments, Inc.
  2. This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person.
  3. This transaction was executed in multiple trades at prices ranging from $29.29 to $29.35 The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, the full information regarding the number of shares and prices at which the transaction was effected.
  4. These RSUs are subject to the achievement of performance criteria determined in the first year of the grant and thereafter vests in equal annual installments over three years.
  5. The RSUs vest in equal annual installments over three years.