BlackRock, Inc. 13D and 13G filings for Arena Pharmaceuticals, 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 |
| 2022-03-11 2:13 pm Unchanged | 2021-12-31 | 13G | Arena Pharmaceuticals, Inc. ARNA | BlackRock Inc. BLK | 4,862,407 7.900% | 0 (Unchanged) | Filing |
| 2022-02-08 5:05 pm Sale | 2021-12-31 | 13G | Arena Pharmaceuticals, Inc. ARNA | BlackRock Inc. BLK | 4,862,407 7.900% | -528,153 (-9.80%) | Filing |
| 2021-01-28 5:55 pm Purchase | 2020-12-31 | 13G | Arena Pharmaceuticals, Inc. ARNA | BlackRock Inc. BLK | 5,390,560 9.300% | 290,697 (+5.70%) | Filing |
| 2020-04-09 5:15 pm Purchase | 2020-03-31 | 13G | Arena Pharmaceuticals, Inc. ARNA | BlackRock Inc. BLK | 5,099,863 10.100% | 182,941 (+3.72%) | Filing |