Ronald Weigner is Treasurer & V.P. at MKS INSTRUMENTS INC (MKSI). They have made 9 open-market trades across 1 company since 2006, most recently 2009-03-10.
CIK 0001202758
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
0 open-market purchases, against 9 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| MKSI | 12,024 | $2.6M |
Shares reported on the most recent Form 4, priced at the 2009-03-12 close.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| MKSI | SELL | 2009-03-02 | 2009-03-04 | $11.89 | $12K | -6.6% | -1.0% | -1.0% |
| MKSI | SELL | 2008-06-05 | 2008-06-06 | $24.15 | $17K | -6.6% | -1.0% | -1.0% |
| MKSI | SELL | 2008-05-09 | 2008-05-12 | $24.09 | $48K | -6.6% | -1.0% | -1.0% |
| MKSI | SELL | 2007-12-04 | 2007-12-05 | $17.80 | $12K | -6.6% | -1.0% | -1.0% |
| MKSI | SELL | 2007-06-14 | 2007-06-18 | $27.75 | $1.7M | -6.6% | -1.0% | -1.0% |
| MKSI | SELL | 2007-06-08 | 2007-06-11 | $26.60 | $16K | -6.6% | -1.0% | -1.0% |
| MKSI | SELL | 2006-12-13 | 2006-12-14 | $20.93 | $13K | -6.6% | -1.0% | -1.0% |
| MKSI | SELL | 2006-11-01 | 2006-11-02 | $20.51 | $279K | -6.6% | -1.0% | -1.0% |
| MKSI | SELL · 10b5-1 | 2006-10-25 | 2006-10-26 | $21.01 | $58K | -6.6% | -1.0% | -1.0% |
| MKSI | SELL · 10b5-1 | 2006-10-18 | 2006-10-23 | $21.89 | $61K | -6.6% | -1.0% | -1.0% |
| MKSI | SELL · 10b5-1 | 2006-10-11 | 2006-10-12 | $20.52 | $57K | -6.6% | -1.0% | -1.0% |
| MKSI | SELL · 10b5-1 | 2006-10-04 | 2006-10-05 | $19.64 | $54K | -6.6% | -1.0% | -1.0% |
| MKSI | SELL · 10b5-1 | 2006-10-02 | 2006-10-03 | $20.25 | $224K | -6.6% | -1.0% | -1.0% |
| MKSI | SELL · 10b5-1 | 2006-09-20 | 2006-09-20 | $20.41 | $57K | -6.6% | -1.0% | -1.0% |
| MKSI | SELL · 10b5-1 | 2006-09-14 | 2006-09-14 | $20.01 | $60K | -6.6% | -1.0% | -1.0% |
| MKSI | SELL · 10b5-1 | 2006-09-13 | 2006-09-14 | $20.34 | $56K | -6.6% | -1.0% | -1.0% |
| MKSI | SELL · 10b5-1 | 2006-09-06 | 2006-09-06 | $20.41 | $57K | -6.6% | -1.0% | -1.0% |
| MKSI | SELL · 10b5-1 | 2006-08-23 | 2006-08-23 | $20.64 | $11K | -6.6% | -1.0% | -1.0% |
| MKSI | SELL · 10b5-1 | 2006-08-16 | 2006-08-16 | $20.22 | $13K | -6.6% | -1.0% | -1.0% |
| MKSI | SELL · 10b5-1 | 2006-08-09 | 2006-08-09 | $19.63 | $13K | -6.6% | -1.0% | -1.0% |
| MKSI | SELL · 10b5-1 | 2006-08-02 | 2006-08-02 | $20.08 | $13K | -6.6% | -1.0% | -1.0% |
| MKSI | SELL · 10b5-1 | 2006-07-26 | 2006-07-28 | $18.61 | $12K | -6.6% | -1.0% | -1.0% |
| MKSI | SELL · 10b5-1 | 2006-07-19 | 2006-07-19 | $18.44 | $12K | -6.6% | -1.0% | -1.0% |
| MKSI | SELL · 10b5-1 | 2006-07-12 | 2006-07-12 | $19.30 | $13K | -6.6% | -1.0% | -1.0% |
| MKSI | SELL · 10b5-1 | 2006-07-05 | 2006-07-06 | $20.19 | $13K | -6.6% | -1.0% | -1.0% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.