Tarek Sherif, Chairman & CEO at Medidata Solutions, Inc. (MDSO), sold 25,000 shares at $55.00 ($1.4M) on 2016-08-23, disclosed to the SEC on 2016-08-29.
Seasonal sale ($1.4M) by Chairman & CEO — this insider has traded MDSO in August in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| Filing → |
| MDSO | SELL | 2017-04-06 | $338K | — | Filing → |
| MDSO | SELL | 2017-03-03 | $428K | — | Filing → |
| MDSO | SELL | 2017-02-14 | $436K | — | Filing → |