Steven H. Grapstein, Director at TESORO CORP /NEW/ (TSO), sold 2,000 shares at $12.89 ($26K) on 2009-08-17, disclosed to the SEC on 2009-08-18.
Seasonal sale ($26k) by Director — this insider has traded TSO in August in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| Filing → |
| TSO | BUY | 2011-08-30 | $226K | — | Filing → |
| TSO | SELL | 2008-05-14 | $483K | — | Filing → |
| TSO | SELL | 2007-02-05 | $83K | — | Filing → |