G. Thomas Gamble

G. Thomas Gamble is Director at TRI VALLEY CORP (TIV). They have made 16 open-market trades across 1 company since 2006, most recently 2011-06-02.

CIK 0001323903

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.