BlackRock, Inc. 13D and 13G filings for Old Second Bancorp, 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 |
| 2024-01-26 11:49 am Purchase | 2023-12-31 | 13G | OLD SECOND BANCORP INC OSBC | BlackRock Inc. BLK | 3,503,897 7.800% | 234,029![]() (+7.16%) | Filing |
| 2023-01-31 1:58 pm Purchase | 2022-12-31 | 13G | OLD SECOND BANCORP INC OSBC | BlackRock Inc. BLK | 3,269,868 7.300% | 1,096,143![]() (+50.43%) | Filing |
| 2022-04-08 09:57 am Purchase | 2022-03-31 | 13G | OLD SECOND BANCORP INC OSBC | BlackRock Inc. BLK | 2,173,725 4.900% | 179,424![]() (+9.00%) | Filing |
| 2022-01-31 5:49 pm Sale | 2021-12-31 | 13G | OLD SECOND BANCORP INC OSBC | BlackRock Inc. BLK | 1,994,301 6.900% | -170,480![]() (-7.88%) | Filing |

