Nierenberg Investment Management Company LLC - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • 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.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2025-07-15
2:00 pm
Purchase
2025-07-1413DREVERVIEW BANCORP INC
RVSB
Nierenberg Investment Management Company LLC2,095,910
9.990%
211,618increase
(+11.23%)
Filing
History
2025-06-09
9:39 pm
Purchase
2025-06-0513DREVERVIEW BANCORP INC
RVSB
Nierenberg Investment Management Company LLC1,884,292
9.000%
259,227increase
(+15.95%)
Filing
History
2025-03-17
4:14 pm
Purchase
2025-03-1413DPOTBELLY CORP
PBPB
Nierenberg Investment Management Company LLC3,087,302
10.300%
161,437increase
(+5.52%)
Filing
History
2025-03-06
8:28 pm
Purchase
2025-03-0413DREVERVIEW BANCORP INC
RVSB
Nierenberg Investment Management Company LLC1,625,065
7.700%
275,508increase
(+20.41%)
Filing
History
2024-11-21
4:55 pm
Purchase
2024-11-1913DREVERVIEW BANCORP INC
RVSB
Nierenberg Investment Management Company LLC1,349,557
6.400%
288,957increase
(+27.24%)
Filing
History
2024-08-21
3:09 pm
Unchanged
2024-08-1913DREVERVIEW BANCORP INC
RVSB
Nierenberg Investment Management Company LLC1,060,600
5.000%
0
(Unchanged)
Filing
History
2024-08-07
8:11 pm
Purchase
2024-08-0613GREVERVIEW BANCORP INC
RVSB
Nierenberg Investment Management Company LLC1,060,600
5.020%
1,060,600increase
(New Position)
Filing
History
2023-12-21
2:35 pm
Unchanged
2023-12-2013DPOTBELLY CORP
PBPB
Nierenberg Investment Management Company LLC2,925,865
10.000%
0
(Unchanged)
Filing
History
2023-12-20
5:44 pm
Purchase
2023-12-2013DPOTBELLY CORP
PBPB
Nierenberg Investment Management Company LLC2,925,865
10.000%
120,000increase
(+4.28%)
Filing
History
2023-12-18
6:15 pm
Purchase
2023-12-1413DFLOTEK INDUSTRIES INC
FTK
Nierenberg Investment Management Company LLC1,317,566
4.400%
114,526increase
(+9.52%)
Filing
History
2023-08-08
09:16 am
Purchase
2023-08-0813DPOTBELLY CORP
PBPB
Nierenberg Investment Management Company LLC2,805,865
9.600%
95,545increase
(+3.53%)
Filing
History
2023-06-09
1:03 pm
Sale
2023-06-0913DFLOTEK INDUSTRIES INC
FTK
Nierenberg Investment Management Company LLC1,203,040
8.200%
-95,256decrease
(-7.34%)
Filing
History
2023-03-09
4:18 pm
Purchase
2023-03-0113GBruker Cellular Analysis Inc.
CELL
Nierenberg Investment Management Company LLC3,662,074
5.100%
3,662,074increase
(New Position)
Filing
2022-07-21
10:42 am
Purchase
2022-07-1913DPOTBELLY CORP
PBPB
Nierenberg Investment Management Company LLC2,710,320
9.400%
574,066increase
(+26.87%)
Filing
History
2022-03-23
4:08 pm
Purchase
2022-03-2213DFLOTEK INDUSTRIES INC
FTK
Nierenberg Investment Management Company LLC1,298,296
9.500%
6,000increase
(+0.46%)
Filing
History
2022-02-11
1:29 pm
Purchase
2021-12-3113GPOTBELLY CORP
PBPB
Nierenberg Investment Management Company LLC2,136,254
7.400%
693,168increase
(+48.03%)
Filing
History
2022-02-04
5:24 pm
Purchase
2022-02-0213DFLOTEK INDUSTRIES INC
FTK
Nierenberg Investment Management Company LLC1,292,296
9.400%
552,005increase
(+74.57%)
Filing
History
2021-11-22
4:51 pm
Sale
2021-11-1813DCRAWFORD & COMPANY CLASS-B
CRDB
Nierenberg Investment Management Company LLC39,624
1.000%
-1,524,401decrease
(-97.47%)
Filing
History