D. Keith Grossman, Director at THORATEC CORP (THOR), sold 20,000 shares at $41.50 ($830K) on 2010-05-03, disclosed to the SEC on 2010-05-05.
Seasonal sale ($830k) by Director — this insider has traded THOR in May in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| Filing → |
| OM | SELL | 2021-12-02 | $124K | — | Filing → |
| OM | SELL | 2021-11-02 | $283K | — | Filing → |
| OM | SELL | 2021-10-04 | $71K | — | Filing → |