Renaissance Technologies LLC 13D and 13G filings for Psychemedics Corporation:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime |
Transaction Date |
Type | Company Symbol |
Filed By Symbol |
Shares Owned % Owned |
Shares Vs. Prev Report | View |
| 2024-02-13 09:43 am Sale |
2023-12-29 | 13G | Psychemedics Corporation PMD |
Renaissance Technologies LLC | 265,563 4.580% |
-24,900 (-8.57%) |
Filing |
| 2023-02-13 11:04 am Sale |
2022-12-30 | 13G | Psychemedics Corporation PMD |
Renaissance Technologies LLC | 290,463 5.150% |
-81,683 (-21.95%) |
Filing |
| 2022-02-11 3:09 pm Sale |
2021-12-31 | 13G | Psychemedics Corporation PMD |
Renaissance Technologies LLC | 372,146 6.710% |
-82,494 (-18.14%) |
Filing |
| 2021-02-11 11:58 am Sale |
2020-12-31 | 13G | Psychemedics Corporation PMD |
Renaissance Technologies LLC | 454,640 8.230% |
-20,537 (-4.32%) |
Filing |