Glen Michael de Vries is President at Medidata Solutions, Inc. (MDSO). They have made 18 open-market trades across 1 company since 2009, most recently 2019-10-28.
CIK 0001453814
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.
0 open-market purchases, against 18 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| MDSO | 735,006 | $67.8M |
Shares reported on the most recent Form 4, priced at the 2019-10-28 close.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| MDSO | SELL | 2018-03-09 | 2018-03-13 | $69.98 | $3.8M | -7.7% | -3.4% | +17.4% |
| MDSO | SELL | 2017-11-02 | 2017-11-06 | $68.76 | $27.5M | -1.7% | -8.7% | -7.3% |
| MDSO | SELL | 2017-03-09 | 2017-03-10 | $56.05 | $420K | -1.1% | +10.7% | +39.7% |
| MDSO | SELL | 2017-02-10 | 2017-02-14 | $58.14 | $436K | -0.4% | +2.1% | +22.1% |
| MDSO | SELL | 2017-01-11 | 2017-01-13 | $52.44 | $393K | -4.8% | +8.6% | +14.9% |
| MDSO | SELL | 2016-12-09 | 2016-12-13 | $52.68 | $395K | +0.0% | +3.9% | +14.1% |
| MDSO | SELL | 2016-11-09 | 2016-11-10 | $50.85 | $381K | +4.0% | -3.4% | -9.6% |
| MDSO | SELL | 2016-10-11 | 2016-10-13 | $54.72 | $410K | -6.0% | +5.7% | -0.6% |
| MDSO | SELL | 2016-09-12 | 2016-09-14 | $53.70 | $403K | +2.3% | -8.3% | -6.8% |
| MDSO | SELL | 2016-08-23 | 2016-08-29 | $55.00 | $1.4M | -0.8% | +4.7% | +1.4% |
| MDSO | SELL | 2016-08-09 | 2016-08-11 | $54.39 | $408K | +1.7% | -0.4% | -4.4% |
| MDSO | SELL | 2016-07-12 | 2016-07-13 | $49.25 | $1.6M | +6.2% | +12.0% | +12.4% |
| MDSO | SELL | 2016-06-09 | 2016-06-13 | $47.66 | $357K | -0.4% | +3.7% | +15.4% |
| MDSO | SELL | 2016-05-25 | 2016-05-26 | $45.00 | $338K | +10.1% | -0.4% | +25.1% |
| MDSO | SELL | 2016-04-25 | 2016-04-27 | $46.36 | $348K | -6.2% | -3.6% | +16.6% |
| MDSO | SELL · 10b5-1 | 2015-03-23 | 2015-03-24 | $49.89 | $998K | -11.4% | -2.3% | -2.3% |
| MDSO | SELL · 10b5-1 | 2014-10-14 | 2014-10-16 | $40.29 | $806K | -11.4% | -2.3% | -2.3% |
| MDSO | SELL · 10b5-1 | 2014-09-09 | 2014-09-11 | $48.51 | $970K | -11.4% | -2.3% | -2.3% |
| MDSO | SELL · 10b5-1 | 2014-08-12 | 2014-08-14 | $45.11 | $902K | -11.4% | -2.3% | -2.3% |
| MDSO | SELL · 10b5-1 | 2014-07-08 | 2014-07-10 | $40.13 | $803K | -11.4% | -2.3% | -2.3% |
| MDSO | SELL · 10b5-1 | 2014-06-17 | 2014-06-19 | $40.26 | $805K | -11.4% | -2.3% | -2.3% |
| MDSO | SELL · 10b5-1 | 2014-05-27 | 2014-05-29 | $40.10 | $802K | -11.4% | -2.3% | -2.3% |
| MDSO | SELL · 10b5-1 | 2014-04-08 | 2014-04-10 | $47.71 | $954K | -11.4% | -2.3% | -2.3% |
| MDSO | SELL · 10b5-1 | 2014-03-11 | 2014-03-13 | $64.39 | $1.3M | -11.4% | -2.3% | -2.3% |
| MDSO | SELL · 10b5-1 | 2014-02-11 | 2014-02-12 | $54.40 | $1.1M | -11.4% | -2.3% | -2.3% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.