Filing Details

Form Type:
4
Zero Holdings:
No
Publication Time:
2009-03-04 12:22:18
Reporting Period:
2009-03-02
Issuer
Cik Name Symbol Sector (SIC) IRS No
1049502 Mks Instruments Inc MKSI ()
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1202731 D William Stewart 2 Tech Drive
Andover MA 01810
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 Disposition 2009-03-02 1,178 $11.89 10,572 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 S Direct