B |
2020-03-03 13:45:35.0 |
PSYCHEMEDICS CORP |
PMD |
CRAWFORD INVESTMENT COUNSEL INC |
6.0% |
view |
S |
2020-02-13 12:05:10.0 |
PSYCHEMEDICS CORP |
PMD |
DEPRINCE RACE & ZOLLO INC |
0.1% |
view |
S |
2020-01-24 19:19:58.0 |
PSYCHEMEDICS CORP |
PMD |
RENAISSANCE TECHNOLOGIES LLC |
7.97% |
view |
S |
2019-01-25 16:48:18.0 |
PSYCHEMEDICS CORP |
PMD |
RENAISSANCE TECHNOLOGIES LLC |
8.46% |
view |
B |
2017-06-01 17:16:13.0 |
PSYCHEMEDICS CORP |
PMD |
RENAISSANCE TECHNOLOGIES LLC |
9.16% |
view |
S |
2017-01-24 17:06:21.0 |
PSYCHEMEDICS CORP |
PMD |
KENNEDY CAPITAL MANAGEMENT |
4.6% |
view |
B |
2016-01-12 16:27:10.0 |
PSYCHEMEDICS CORP |
PMD |
KENNEDY CAPITAL MANAGEMENT |
5.4% |
view |
S |
2015-02-12 15:35:49.0 |
PSYCHEMEDICS CORP |
PMD |
DEPRINCE RACE & ZOLLO INC |
0.0% |
view |
S |
2015-02-04 17:37:16.0 |
PSYCHEMEDICS CORP |
PMD |
DEPRINCE RACE & ZOLLO INC |
5.76% |
view |
S |
2014-02-11 12:08:25.0 |
PSYCHEMEDICS CORP |
PMD |
DEPRINCE RACE & ZOLLO INC |
5.8% |
view |
B |
2013-02-12 19:52:19.0 |
PSYCHEMEDICS CORP |
PMD |
RENAISSANCE TECHNOLOGIES LLC |
6.06% |
view |
B |
2012-02-14 18:15:53.0 |
PSYCHEMEDICS CORP |
PMD |
RENAISSANCE TECHNOLOGIES LLC |
6.0% |
view |
B |
2011-08-10 13:07:38.0 |
PSYCHEMEDICS CORP |
PMD |
DEPRINCE RACE & ZOLLO INC |
18.79% |
view |
B |
2011-02-11 16:46:03.0 |
PSYCHEMEDICS CORP |
PMD |
DEPRINCE RACE & ZOLLO INC |
3.04% |
view |
B |
2009-06-10 12:11:48.0 |
PSYCHEMEDICS CORP |
PMD |
DISCOVERY EQUITY PARTNERS |
4.8% |
view |
B |
2008-02-14 13:16:20.0 |
PSYCHEMEDICS CORP |
PMD |
ASHFORD CAPITAL MANAGEMENT INC |
7.63% |
view |
S |
2008-02-13 11:41:57.0 |
PSYCHEMEDICS CORP |
PMD |
RENAISSANCE TECHNOLOGIES LLC |
7.58% |
view |
S |
2006-02-13 00:00:00.0 |
PSYCHEMEDICS CORP |
PMD |
ASHFORD CAPITAL MANAGEMENT INC |
0.0% |
view |