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 |
| 2024-11-08 2:17 pm Unchanged | 2024-09-30 | 13G | Aspen Technology, Inc. AZPN | BlackRock Inc. BLK | 4,018,969 6.400% | 0 (Unchanged) | Filing |
| 2024-10-22 6:06 pm Sale | 2024-09-30 | 13G | Aspen Technology, Inc. AZPN | BlackRock Inc. BLK | 4,018,969 6.400% | -1,304,484 (-24.50%) | Filing |
| 2024-01-25 4:59 pm Purchase | 2023-12-31 | 13G | Aspen Technology, Inc. AZPN | BlackRock Inc. BLK | 5,323,453 8.400% | 1,516,344 (+39.83%) | Filing |
| 2023-02-07 2:10 pm Purchase | 2022-12-31 | 13G | Aspen Technology, Inc. AZPN | BlackRock Inc. BLK | 3,807,109 5.900% | 3,807,109 (New Position) | Filing |