Nierenberg Investment Management Company, LLC SEC EDGAR Filings (CIK 0001282683)

SEC EDGAR filings, ownership reports, and insider transactions for Nierenberg Investment Management Company, LLC.

Business address
19605 Ne 8 Th St, Camas, WA, 98607
Top holdings (ownership)
PBPB
Top securities (13F)
SGOV, EQT, RKT, CRTO, LYFT, RVSB, BKD, GDOT, KBR, CNXC, ECVT, DHC, EXE, FCN, DXC, SEB, BFH, VRT, TNDM, and GLRE
Top holdings (Schedule 13D)
PBPB and RVSB
State of incorporation
DE
Fiscal year end
31 December
Former names
Nierenberg Investment Management Company, Inc. (to 12 Nov 2025), NIERENBERG INVESTMENT MANAGEMENT CO (to 04 May 2009)
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Nierenberg Investment Management Company, LLC has filed 446 SEC EDGAR filings since 11 Mar 2004

Latest Filings

Recent SEC filings for Nierenberg Investment Management Company, LLC including 13F-HR, N-PX, SCHEDULE 13D/A and more.

Form type Document Filing Description Filing date Reporting date File number(s)
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Feb 2026 31 Dec 2025 028-10859
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Nov 2025 30 Sep 2025 028-10859
N-PX Open N-PX document View SEC filing for N-PX 26 Aug 2025 30 Jun 2025 028-10859
13F-HR Open 13F-HR document View SEC filing for 13F-HR 11 Aug 2025 30 Jun 2025 028-10859
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 15 Jul 2025
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 09 Jun 2025
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 May 2025 31 Mar 2025 028-10859
4 Open 4 document View SEC filing for 4 31 Mar 2025 28 Mar 2025 001-36104
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 17 Mar 2025
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 06 Mar 2025
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Feb 2025 31 Dec 2024 028-10859
4 Open 4 document View SEC filing for 4 10 Jan 2025 07 Jan 2025 001-36104
4 Open 4 document View SEC filing for 4 20 Dec 2024 18 Dec 2024 001-36104
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 21 Nov 2024
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Nov 2024 30 Sep 2024 028-10859
N-PX Open N-PX document View SEC filing for N-PX 22 Aug 2024 30 Jun 2024 028-10859
SC 13D Open SC 13D document View SEC filing for SC 13D 21 Aug 2024
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Aug 2024 30 Jun 2024 028-10859
SC 13G Open SC 13G document View SEC filing for SC 13G 07 Aug 2024
4 Open 4 document View SEC filing for 4 07 Aug 2024 07 Aug 2024 001-36104
3 Open 3 document View SEC filing for 3 07 Aug 2024 02 Aug 2024 001-36104
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 May 2024 31 Mar 2024 028-10859
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2024 31 Dec 2023 028-10859
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 21 Dec 2023
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 21 Dec 2023
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 19 Dec 2023
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Nov 2023 30 Sep 2023 028-10859
13F-HR Open 13F-HR document View SEC filing for 13F-HR 11 Aug 2023 30 Jun 2023 028-10859
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 08 Aug 2023
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 4 TO THE SCHEDULE 13D 09 Jun 2023
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 May 2023 31 Mar 2023 028-10859
SC 13G Open SC 13G document View SEC filing for SC 13G 09 Mar 2023
13F-HR Open 13F-HR document View SEC filing for 13F-HR 10 Feb 2023 31 Dec 2022 028-10859
13F-HR Open 13F-HR document View SEC filing for 13F-HR 10 Nov 2022 30 Sep 2022 028-10859
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Aug 2022 30 Jun 2022 028-10859
SC 13D Open SC 13D document View SEC filing for SC 13D JULY 21, 2022 21 Jul 2022
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 May 2022 31 Mar 2022 028-10859
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 3 TO THE SCHEDULE 13D 23 Mar 2022
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 11 Feb 2022
13F-HR Open 13F-HR document View SEC filing for 13F-HR 11 Feb 2022 31 Dec 2021 028-10859
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 2 OF THE SCHEDULE 13D 04 Feb 2022
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 22 Nov 2021
13F-HR Open 13F-HR document View SEC filing for 13F-HR 10 Nov 2021 30 Sep 2021 028-10859
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Aug 2021 30 Jun 2021 028-10859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 Jun 2021 15 Jun 2021 001-34361
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 May 2021 31 Mar 2021 028-10859
SC 13G Open SC 13G document View SEC filing for SC 13G 07 May 2021
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 7 TO THE SCHEDULE 13D 26 Mar 2021
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Feb 2021 31 Dec 2020 028-10859
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 1 TO THE SCHEDULE 13D 28 Dec 2020
SC 13D Open SC 13D document View SEC filing for SC 13D 30 Oct 2020
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 1 TO THE SCHEDULE 13D 03 Sep 2020
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 1 TO THE SCHEDULE 13D 26 Aug 2020
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D DATED MAY 26, 2020 27 May 2020
SC 13G Open SC 13G document View SEC filing for SC 13G MAY 18, 2020 18 May 2020
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 6 TO THE SCHEDULE 13D 18 Mar 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Mar 2020 16 Mar 2020 001-34361
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 17 Mar 2020 16 Mar 2020 001-34361
SC 13D Open SC 13D document View SEC filing for SC 13D 16 Mar 2020
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO. 1 TO THE SCHEDULE 13G 21 Jan 2020
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 23 Dec 2019
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A MARCH 13, 2019 13 Mar 2019
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A FEBRUARY 8, 2019 08 Feb 2019
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A DECEMBER 19, 2018 19 Dec 2018
SC 13G Open SC 13G document View SEC filing for SC 13G APRIL 23, 2018 23 Apr 2018
SC 13D Open SC 13D document View SEC filing for SC 13D JANUARY 4, 2018 04 Jan 2018
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A DECEMBER 1, 2017 01 Dec 2017
SC 13D Open SC 13D document View SEC filing for SC 13D 09-26-17 27 Sep 2017
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A JULY 19, 2017 19 Jul 2017
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A MAY 17, 2017 17 May 2017
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A FEBRUARY 6, 2017 06 Feb 2017
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A FEBRUARY 2, 2017 02 Feb 2017
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A JANUARY 31, 2017 31 Jan 2017
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A OCTOBER 7, 2016 07 Oct 2016
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A FEBRUARY 24, 2016 24 Feb 2016
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A FEBRUARY 16, 2016 16 Feb 2016
13F-HR Open 13F-HR document View SEC filing for 13F-HR 16 Nov 2015 30 Sep 2015 028-10859
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2015 30 Jun 2015 028-10859
SC 13G Open SC 13G document View SEC filing for SC 13G JUNE 8, 2015 08 Jun 2015
4 Open 4 document View SEC filing for 4 FORM 4 18 May 2015 14 May 2015 000-12853
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 May 2015 31 Mar 2015 028-10859
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A APRIL 17, 2015 17 Apr 2015
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A MARCH 16, 2015 16 Mar 2015
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A FEBRUARY 13, 2015 13 Feb 2015
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Feb 2015 31 Dec 2014 028-10859
4 Open 4 document View SEC filing for 4 FORM 4 30 Jan 2015 30 Jan 2015 000-12853
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A JANUARY 30, 2015 30 Jan 2015
4 Open 4 document View SEC filing for 4 FORM 4 12 Nov 2014 07 Nov 2014 000-26844
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Nov 2014 30 Sep 2014 028-10859
4 Open 4 document View SEC filing for 4 FORM 4 12 Nov 2014 27 May 2014 000-12853
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A NOVEMBER 12, 2014 12 Nov 2014
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AUGUST 25, 2014 25 Aug 2014
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Aug 2014 30 Jun 2014 028-10859
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A ROSETTA13DA-081114.HTM 11 Aug 2014
SC 13D Open SC 13D document View SEC filing for SC 13D JUNE 16, 2014 16 Jun 2014
4 Open 4 document View SEC filing for 4 FORM 4 29 May 2014 27 May 2014 000-12853
4 Open 4 document View SEC filing for 4 FORM 4 19 May 2014 15 May 2014 000-12853
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 May 2014 31 Mar 2014 028-10859
4 Open 4 document View SEC filing for 4 FORM 4 28 Feb 2014 27 Feb 2014 000-26844
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Feb 2014 31 Dec 2013 028-10859
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A FEBRUARY 12, 2014 12 Feb 2014
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A FEBRUARY 12, 2014 12 Feb 2014
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A JANUARY 21, 2014 21 Jan 2014
4 Open 4 document View SEC filing for 4 FORM 4 03 Jan 2014 01 Jan 2014 000-26844
4 Open 4 document View SEC filing for 4 FORM 4 05 Dec 2013 04 Dec 2013 000-12853
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Nov 2013 30 Sep 2013 028-10859
4 Open 4 document View SEC filing for 4 FORM 4 03 Oct 2013 01 Oct 2013 000-26844
4 Open 4 document View SEC filing for 4 FORM 4 06 Sep 2013 04 Sep 2013 000-26844
4 Open 4 document View SEC filing for 4 FORM 4 05 Sep 2013 03 Sep 2013 000-12853
SC 13G Open SC 13G document View SEC filing for SC 13G AUGUST 30, 2013 30 Aug 2013
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2013 30 Jun 2013 028-10859
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AUGUST 5, 2013 05 Aug 2013
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A JULY 24, 2013 26 Jul 2013
4 Open 4 document View SEC filing for 4 FORM 4 28 Jun 2013 26 Jun 2013 000-26844
4 Open 4 document View SEC filing for 4 FORM 4 21 Jun 2013 19 Jun 2013 000-12853
4 Open 4 document View SEC filing for 4 FORM 4 18 Jun 2013 15 Jun 2013 000-26844
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A JUNE 13, 2013 13 Jun 2013
13F-HR Open 13F-HR document View SEC filing for 13F-HR NONE 15 May 2013 31 Mar 2013 028-10859
4 Open 4 document View SEC filing for 4 FORM 4 13 May 2013 09 May 2013 000-12853
4 Open 4 document View SEC filing for 4 FORM 4 03 May 2013 02 May 2013 000-50552
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A MAY 3, 2013 03 May 2013
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A MAY 1, 2013 02 May 2013
4 Open 4 document View SEC filing for 4 FORM 4 01 May 2013 29 Apr 2013 000-50552
4 Open 4 document View SEC filing for 4 FORM 4 25 Apr 2013 23 Apr 2013 000-50552
4 Open 4 document View SEC filing for 4 FORM 4 19 Apr 2013 17 Apr 2013 000-50552
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A APRIL 19, 2013 19 Apr 2013
4 Open 4 document View SEC filing for 4 FORM 4 16 Apr 2013 12 Apr 2013 000-50552
4 Open 4 document View SEC filing for 4 FORM 4 03 Apr 2013 01 Apr 2013 000-26844
4 Open 4 document View SEC filing for 4 FORM 4 15 Mar 2013 14 Mar 2013 000-12853
13F-HR Open 13F-HR document View SEC filing for 13F-HR NONE 13 Feb 2013 31 Dec 2012 028-10859
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A FEBRUARY 14, 2013 12 Feb 2013
4 Open 4 document View SEC filing for 4 FORM 4 28 Dec 2012 27 Dec 2012 000-12853
4 Open 4 document View SEC filing for 4 FORM 4 06 Dec 2012 05 Dec 2012 000-12853
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A NOVEMBER 29, 2012 29 Nov 2012
4 Open 4 document View SEC filing for 4 FORM 4 29 Nov 2012 27 Nov 2012 000-26659
13F-HR Open 13F-HR document View SEC filing for 13F-HR NONE 13 Nov 2012 30 Sep 2012 028-10859
4 Open 4 document View SEC filing for 4 FORM 4 06 Nov 2012 02 Nov 2012 000-26659
4 Open 4 document View SEC filing for 4 FORM 4 17 Oct 2012 15 Oct 2012 000-50552
4 Open 4 document View SEC filing for 4 FORM 4 09 Oct 2012 05 Oct 2012 000-50552
4 Open 4 document View SEC filing for 4 FORM 4 11 Sep 2012 10 Sep 2012 000-12853
13F-HR Open 13F-HR document View SEC filing for 13F-HR NONE 14 Aug 2012 30 Jun 2012 028-10859
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AUGUST 10, 2012 10 Aug 2012
4 Open 4 document View SEC filing for 4 FORM 4 09 Aug 2012 07 Aug 2012 000-12853
4 Open 4 document View SEC filing for 4 FORM 4 31 Jul 2012 27 Jul 2012 000-12853
4 Open 4 document View SEC filing for 4 FORM 4 28 Jun 2012 26 Jun 2012 000-26844
4 Open 4 document View SEC filing for 4 FORM 4 20 Jun 2012 18 Jun 2012 000-12853
4 Open 4 document View SEC filing for 4 FORM 4 19 Jun 2012 15 Jun 2012 000-26844
4 Open 4 document View SEC filing for 4 FORM 4 30 May 2012 25 May 2012 000-12853
SC 13G Open SC 13G document View SEC filing for SC 13G MAY 18, 2012 18 May 2012
13F-HR Open 13F-HR document View SEC filing for 13F-HR NONE 15 May 2012 31 Mar 2012 028-10859
4 Open 4 document View SEC filing for 4 FORM 4 14 May 2012 10 May 2012 000-12853
4 Open 4 document View SEC filing for 4 FORM 4 03 Apr 2012 01 Apr 2012 000-26844
4 Open 4 document View SEC filing for 4 FORM 4 29 Feb 2012 24 Feb 2012 000-12853
4 Open 4 document View SEC filing for 4 FORM 4 23 Feb 2012 21 Feb 2012 000-12853
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A FEBRUARY 22, 2012 22 Feb 2012
4 Open 4 document View SEC filing for 4 FORM 4 17 Feb 2012 15 Feb 2012 000-12853
4 Open 4 document View SEC filing for 4 FORM 4 13 Feb 2012 09 Feb 2012 000-12853
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A FEBRUARY 14, 2012 13 Feb 2012
13F-HR Open 13F-HR document View SEC filing for 13F-HR NONE 10 Feb 2012 31 Dec 2011 028-10859
4 Open 4 document View SEC filing for 4 FORM 4 06 Feb 2012 02 Feb 2012 000-12853
4 Open 4 document View SEC filing for 4 FORM 4 01 Feb 2012 30 Jan 2012 000-12853
13F-HR Open 13F-HR document View SEC filing for 13F-HR NONE 14 Nov 2011 30 Sep 2011 028-10859
4 Open 4 document View SEC filing for 4 FORM 4 14 Sep 2011 12 Sep 2011 000-26659
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SEPTEMBER 14, 2011 14 Sep 2011
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SEPTEMBER 13, 2011 13 Sep 2011
4 Open 4 document View SEC filing for 4 FORM 4 13 Sep 2011 09 Sep 2011 001-35208
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Aug 2011 30 Jun 2011 028-10859
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A JULY 7, 2011 07 Jul 2011
SC 13D Open SC 13D document View SEC filing for SC 13D JUNE 20, 2011 24 Jun 2011
4 Open 4 document View SEC filing for 4 FORM 4 17 Jun 2011 15 Jun 2011 000-26844
4 Open 4 document View SEC filing for 4 FORM 4 02 Jun 2011 31 May 2011 000-33009
4 Open 4 document View SEC filing for 4 FORM 4 16 May 2011 12 May 2011 000-12853
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 May 2011 31 Mar 2011 028-10859
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A MAY 4, 2011 04 May 2011
4 Open 4 document View SEC filing for 4 FORM 4 21 Apr 2011 19 Apr 2011 000-50552
4 Open 4 document View SEC filing for 4 FORM 4 18 Apr 2011 14 Apr 2011 000-50552
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A APRIL 18, 2011 18 Apr 2011
4 Open 4 document View SEC filing for 4 FORM 4 05 Apr 2011 01 Apr 2011 000-26844
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A MARCH 31, 2011 31 Mar 2011
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A MARCH 31, 2011 31 Mar 2011
4 Open 4 document View SEC filing for 4 FORM 4 17 Mar 2011 16 Mar 2011 000-26844
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A MARCH 17, 2011 17 Mar 2011
13F-HR Open 13F-HR document View SEC filing for 13F-HR 11 Feb 2011 31 Dec 2010 028-10859
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A NIERENBERG INVESTMENT MANAGEMENT COMPANY, INC SC 13G/A 12-31-2010 10 Feb 2011
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Nov 2010 30 Sep 2010 028-10859
4 Open 4 document View SEC filing for 4 FORM 4 05 Nov 2010 05 Nov 2010 000-12853
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A NIERENBERG INVESTMENT MANAGEMENT COMPANY INC. SC 13DA 9-21-2010 21 Sep 2010
13F-HR Open 13F-HR document View SEC filing for 13F-HR 05 Aug 2010 30 Jun 2010 028-10859
4 Open 4 document View SEC filing for 4 FORM 4 24 May 2010 13 May 2010 000-12853
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 May 2010 31 Mar 2010 028-10859
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A NIERENBERG INVESTMENT MANAGEMENT SC 13DA 4-5-2010 07 Apr 2010
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A NIERENBERG INVESTMENT MANAGEMENT COMPANY INC SC13D A 3-8-2010 10 Mar 2010
4 Open 4 document View SEC filing for 4 FORM 4 09 Mar 2010 05 Mar 2010 000-33001
4 Open 4 document View SEC filing for 4 FORM 4 04 Mar 2010 02 Mar 2010 000-33001
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A MARCH 3, 2010 03 Mar 2010
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A NIERENBERG INVESTMENT MANAGEMENT COMPANY, INC. SC 13D A 2-24-2010 26 Feb 2010
4 Open 4 document View SEC filing for 4 FORM 4 26 Feb 2010 24 Feb 2010 000-12853
4 Open 4 document View SEC filing for 4 FORM 4 24 Feb 2010 22 Feb 2010 000-33001
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Feb 2010 31 Dec 2009 028-10859
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A NIERENBERG INVESTMENT MANAGEMENT COMPANY SC13GA 12-31-2009 12 Feb 2010
4 Open 4 document View SEC filing for 4 FORM 4 26 Jan 2010 22 Jan 2010 000-33001
4 Open 4 document View SEC filing for 4 FORM 4 21 Jan 2010 19 Jan 2010 000-33001
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A NIERENBERG INVESTMENT MANAGEMENT COMPANY INC SC13D A 1-19-2010 21 Jan 2010
4 Open 4 document View SEC filing for 4 FORM 4 15 Jan 2010 13 Jan 2010 000-33001
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A NIERENBERG INVESTMENT MANAGEMENT SC 13D/A 1-4-2010 08 Jan 2010
4 Open 4 document View SEC filing for 4 FORM 4 06 Jan 2010 04 Jan 2010 000-33001

About this filer

Nierenberg Investment Management Company, LLC files with the SEC under CIK 0001282683. This page aggregates EDGAR filings and related ownership activity.

See reporting owner transactions.

FAQ

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Why are some filings missing?
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