RENAISSANCE TECHNOLOGIES LLC 13D and 13G filings for Aspen Technology, Inc.:
- 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 |
| 2020-02-12 5:53 pm Sale | 2019-12-31 | 13G | Aspen Technology, Inc. AZPN | RENAISSANCE TECHNOLOGIES LLC | 1,964,003 2.890% | -2,013,300 (-50.62%) | Filing |