BlackRock, Inc. 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 |
| 2022-06-09 3:12 pm Sale | 2022-05-31 | 13G | Aspen Technology, Inc. AZPN | BlackRock Inc. BLK | 0 0.000% | -6,664,554 (Position Closed) | Filing |
| 2022-05-09 3:23 pm Purchase | 2022-04-30 | 13G | Aspen Technology, Inc. AZPN | BlackRock Inc. BLK | 6,664,554 10.000% | 426,641 (+6.84%) | Filing |
| 2022-02-01 5:08 pm Purchase | 2021-12-31 | 13G | Aspen Technology, Inc. AZPN | BlackRock Inc. BLK | 6,237,913 9.300% | 2,556,397 (+69.44%) | Filing |
| 2021-01-28 5:55 pm Sale | 2020-12-31 | 13G | Aspen Technology, Inc. AZPN | BlackRock Inc. BLK | 3,681,516 5.400% | -153,093 (-3.99%) | Filing |