Activist 13D/13G Filings - Nierenberg Investment Management Company Inc.

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 are not 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
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Time period
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Reported
DateTime
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportFiling
2024-08-21
3:09 pm
Unchanged
13DREVERVIEW BANCORP INC
RVSB
Nierenberg Investment Management Company Inc.1,060,600
5.000%
0
(Unchanged)
View
2024-08-07
8:11 pm
Purchase
13GREVERVIEW BANCORP INC
RVSB
Nierenberg Investment Management Company Inc.1,060,600
5.020%
1,060,600increase
(New Position)
View
2023-12-21
2:35 pm
Unchanged
13DPOTBELLY CORP
PBPB
Nierenberg Investment Management Company Inc.2,925,865
10.000%
0
(Unchanged)
View
2023-12-20
5:44 pm
Purchase
13DPOTBELLY CORP
PBPB
Nierenberg Investment Management Company Inc.2,925,865
10.000%
120,000increase
(+4.28%)
View
2023-12-18
6:15 pm
Sale
13DFLOTEK INDUSTRIES INC
FTK
Nierenberg Investment Management Company Inc.1,317,566
4.400%
-5,900,675decrease
(-81.75%)
View
2023-08-08
09:16 am
Purchase
13DPOTBELLY CORP
PBPB
Nierenberg Investment Management Company Inc.2,805,865
9.600%
95,545increase
(+3.53%)
View
2023-06-09
1:03 pm
Sale
13DFLOTEK INDUSTRIES INC
FTK
Nierenberg Investment Management Company Inc.7,218,241
8.200%
-571,532decrease
(-7.34%)
View
2023-03-09
4:18 pm
Purchase
13GBruker Cellular Analysis Inc.
CELL
Nierenberg Investment Management Company Inc.3,662,074
5.100%
3,662,074increase
(New Position)
View
2022-07-21
10:42 am
Purchase
13DPOTBELLY CORP
PBPB
Nierenberg Investment Management Company Inc.2,710,320
9.400%
574,066increase
(+26.87%)
View
2022-03-23
4:08 pm
Purchase
13DFLOTEK INDUSTRIES INC
FTK
Nierenberg Investment Management Company Inc.7,789,773
9.500%
35,995increase
(+0.46%)
View
2022-02-11
1:29 pm
Purchase
13GPOTBELLY CORP
PBPB
Nierenberg Investment Management Company Inc.2,136,254
7.400%
693,168increase
(+48.03%)
View
2022-02-04
5:24 pm
Purchase
13DFLOTEK INDUSTRIES INC
FTK
Nierenberg Investment Management Company Inc.7,753,778
9.400%
3,312,031increase
(+74.57%)
View
2021-11-22
4:51 pm
Sale
13DCRAWFORD & COMPANY CLASS-B
CRDB
Nierenberg Investment Management Company Inc.39,624
1.000%
-1,524,401decrease
(-97.47%)
View
2021-05-07
3:13 pm
Purchase
13GPOTBELLY CORP
PBPB
Nierenberg Investment Management Company Inc.1,443,086
5.200%
1,443,086increase
(New Position)
View
2021-03-26
4:18 pm
Unchanged
13DHouston Wire & Cable CO
HWCC
Nierenberg Investment Management Company Inc.2,043,358
12.300%
0
(Unchanged)
View
2020-12-28
2:02 pm
Purchase
13DCRAWFORD & COMPANY CLASS-B
CRDB
Nierenberg Investment Management Company Inc.1,564,025
6.900%
246,063increase
(+18.67%)
View
2020-10-30
11:42 am
Purchase
13DCRAWFORD & COMPANY CLASS-B
CRDB
Nierenberg Investment Management Company Inc.1,317,962
5.900%
1,317,962increase
(New Position)
View
2020-09-03
5:00 pm
Purchase
13DFLOTEK INDUSTRIES INC
FTK
Nierenberg Investment Management Company Inc.4,441,747
6.200%
927,685increase
(+26.40%)
View
2020-08-26
5:14 pm
Sale
13DGEOSPACE TECHNOLOGIES CORP COM
GEOS
Nierenberg Investment Management Company Inc.552,765
4.000%
-146,475decrease
(-20.95%)
View
2020-05-27
5:15 pm
Unchanged
13DGEOSPACE TECHNOLOGIES CORP COM
GEOS
Nierenberg Investment Management Company Inc.699,240
5.100%
0
(Unchanged)
View
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