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 |