Tarek Sherif, Chairman & CEO at Medidata Solutions, Inc. (MDSO), sold 26,836 shares at $70.25 ($1.9M) on 2018-03-12, disclosed to the SEC on 2018-03-13.
Seasonal sale ($1.9M) by Chairman & CEO — this insider has traded MDSO in March in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| Filing → |
| MDSO | SELL | 2017-03-03 | $428K | — | Filing → |
| MDSO | SELL | 2017-02-14 | $436K | — | Filing → |
| MDSO | SELL | 2017-01-06 | $387K | — | Filing → |