Nierenberg Investment Management Company Inc. 13D and 13G filings for Potbelly Corporation:
- 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 |
| 2025-03-17 4:14 pm Purchase |
2025-03-14 | 13D | Potbelly Corporation PBPB |
Nierenberg Investment Management Company Inc. | 3,087,302 10.300% |
161,437 (+5.52%) |
Filing |
| 2023-12-21 2:35 pm Unchanged |
2023-12-20 | 13D | Potbelly Corporation PBPB |
Nierenberg Investment Management Company Inc. | 2,925,865 10.000% |
0 (Unchanged) |
Filing |
| 2023-12-20 5:44 pm Purchase |
2023-12-20 | 13D | Potbelly Corporation PBPB |
Nierenberg Investment Management Company Inc. | 2,925,865 10.000% |
120,000 (+4.28%) |
Filing |
| 2023-08-08 09:16 am Purchase |
2023-08-08 | 13D | Potbelly Corporation PBPB |
Nierenberg Investment Management Company Inc. | 2,805,865 9.600% |
95,545 (+3.53%) |
Filing |
| 2022-07-21 10:42 am Purchase |
2022-07-19 | 13D | Potbelly Corporation PBPB |
Nierenberg Investment Management Company Inc. | 2,710,320 9.400% |
574,066 (+26.87%) |
Filing |
| 2022-02-11 1:29 pm Purchase |
2021-12-31 | 13G | Potbelly Corporation PBPB |
Nierenberg Investment Management Company Inc. | 2,136,254 7.400% |
693,168 (+48.03%) |
Filing |
| 2021-05-07 3:13 pm Purchase |
2021-04-27 | 13G | Potbelly Corporation PBPB |
Nierenberg Investment Management Company Inc. | 1,443,086 5.200% |
1,443,086 (New Position) |
Filing |