Insider: Lee John Tseng-Chung Sr. VP & COO - MKS INSTRUMENTS INC
| Company Holdings |
| Direct | Indirect Ownership | Total | |
| Shares | 1,601 | 0 | 1,601 |
| Value | $195,703.42 | $0.00 | $195,703.42 |
Trans. Date |
Trans. Type |
Shares |
Ownership Type |
Issue Type |
Price |
Trans. Value |
Total Shares Owned |
|---|---|---|---|---|---|---|---|
| 02/20/2018 | DDS | 11,832 | Direct | COM | $115.31 | $1,364,324.26 | 1,601 |
| 02/20/2018 | DDS | 1,600 | Direct | COM | $115.91 | $185,457.60 | 1 |
| 11/13/2017 | DDS | 2,113 | Direct | COM | $104.02 | $219,783.70 | 1 |
| 02/22/2017 | DDS | 14,734 | Direct | COM | $67.99 | $1,001,764.66 | 1 |
| 08/10/2016 | DDS | 9,955 | Direct | COM | $46.36 | $461,523.76 | 0 |
| 02/26/2016 | DDS | 994 | Direct | COM | $32.70 | $32,503.80 | 9,617 |
| 02/17/2016 | DDS | 1,371 | Direct | COM | $33.26 | $45,599.46 | 7,256 |
| 02/11/2016 | DDS | 574 | Direct | COM | $31.96 | $18,345.04 | 3,999 |
| 02/11/2016 | DDS | 861 | Direct | COM | $31.96 | $27,517.56 | 4,573 |
| 05/14/2015 | DDS | 10,747 | Direct | COM | $36.36 | $390,750.17 | 1 |
| 06/13/2014 | DDS | 9,128 | Direct | COM | $29.55 | $269,695.89 | 0 |
| 11/29/2013 | AAP | 443 | Direct | COM | $23.96 | $10,624.99 | 964 |
| 05/31/2013 | AAP | 520 | Direct | COM | $20.42 | $10,625.01 | 520 |
| 03/14/2013 | DDS | 8,160 | Direct | COM | $27.64 | $225,501.60 | 0 |
| 11/30/2012 | AAP | 479 | Direct | COM | $20.61 | $9,876.31 | 479 |
| 08/06/2012 | DDS | 2,868 | Direct | COM | $26.67 | $76,498.16 | 0 |
| 03/09/2012 | DDS | 8,595 | Direct | COM | $29.13 | $250,337.97 | 0 |
| 11/08/2011 | DDS | 3,140 | Direct | COM | $27.56 | $86,544.68 | 1 |
| 03/17/2011 | DDS | 4,449 | Direct | COM | $29.31 | $130,382.39 | 0 |
| 03/08/2011 | DDS | 6,129 | Direct | COM | $31.82 | $195,024.78 | 0 |
| 11/05/2010 | DDS | 2,374 | Direct | COM | $21.60 | $51,278.40 | 0 |
| 04/26/2010 | DDS | 6,623 | Direct | COM | $24.15 | $159,945.45 | 0 |
| 02/11/2010 | DDS | 2,409 | Direct | COM | $18.74 | $45,144.66 | 1 |
| 07/28/2009 | DDS | 6,187 | Direct | COM | $19.13 | $118,357.31 | 1 |
| 03/02/2009 | DDS | 1,574 | Direct | COM | $11.89 | $18,714.86 | 3,049 |
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Transaction Type Key First letter: A = Acquired, D = Disposed Second letter: A = Grant, award or other acquisition pursuant to Rule 16b-3(d) C = Conversion of derivative security | D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) | E = Expiration of short derivative position | F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. | G = Gift | H = Expiration (or cancellation) of long derivative position with value received | I = Discretionary transaction in accordance with Rule 16b-3(f) | J = Other | L = Small acquisition under Rule 16a-6 | M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | O = Exercise of out-of-the-money derivative security | P = Open market or private purchase | S = Open market or private sale | U = Disposition pursuant to a tender of shares in a change of control transaction | W = Acquisition or disposition by will or the laws of descent and distribution | X = Exercise of in-the-money or at-the-money derivative security | Z = Deposit into or withdrawal from voting trust |
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