Donald K. Grierson, Director at PARAMETRIC TECHNOLOGY CORP (PMTC), sold 3,000 shares at $17.98 ($54K) on 2010-03-12, disclosed to the SEC on 2010-03-12.
Seasonal sale ($54k) by Director — this insider has traded PMTC in March in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| Filing → |
| PTC | SELL | 2019-03-01 | $933K | — | Filing → |
| PTC | SELL | 2018-08-01 | $927K | — | Filing → |
| PTC | SELL | 2018-04-24 | $423K | — | Filing → |