Cowen Investment Management LLC SEC EDGAR Filings (CIK 0001475770)

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

Business address
599 Lexington Avenue, 20 Th Floor, New York, NY, 10022
State of incorporation
DE
Fiscal year end
31 December
Former names
Ramius LLC (to 15 Aug 2013)
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Cowen Investment Management LLC has filed 328 SEC EDGAR filings since 02 Nov 2009

Latest Filings

Recent SEC filings for Cowen Investment Management LLC including 13F-HR, N-PX, 13F-HR/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 15 May 2025 31 Mar 2025 028-13626
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Feb 2025 31 Dec 2024 028-13626
13F-HR Open 13F-HR document View SEC filing for 13F-HR 08 Nov 2024 30 Sep 2024 028-13626
13F-HR Open 13F-HR document View SEC filing for 13F-HR 29 Aug 2024 31 Mar 2024 028-13626
13F-HR Open 13F-HR document View SEC filing for 13F-HR 29 Aug 2024 30 Jun 2024 028-13626
N-PX Open N-PX document View SEC filing for N-PX 29 Aug 2024 30 Jun 2024 028-13626
13F-HR Open 13F-HR document View SEC filing for 13F-HR 29 Aug 2024 31 Dec 2023 028-13626
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Nov 2023 30 Sep 2023 028-13626
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Aug 2023 30 Jun 2023 028-13626
13F-HR Open 13F-HR document View SEC filing for 13F-HR 11 May 2023 31 Mar 2023 028-13626
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Feb 2023 31 Dec 2022 028-13626
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2022 30 Sep 2022 028-13626
13F-HR/A Open 13F-HR/A document View SEC filing for 13F-HR/A 10 Aug 2022 31 Mar 2022 028-13626
13F-HR Open 13F-HR document View SEC filing for 13F-HR 09 Aug 2022 30 Jun 2022 028-13626
13F-HR Open 13F-HR document View SEC filing for 13F-HR 16 May 2022 31 Mar 2022 028-13626
13F-HR Open 13F-HR document View SEC filing for 13F-HR 11 Feb 2022 31 Dec 2021 028-13626
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Nov 2021 30 Sep 2021 028-13626
13F-HR Open 13F-HR document View SEC filing for 13F-HR 11 Aug 2021 30 Jun 2021 028-13626
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 May 2021 31 Mar 2021 028-13626
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Feb 2021 31 Dec 2020 028-13626
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Nov 2020 30 Sep 2020 028-13626
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Aug 2020 30 Jun 2020 028-13626
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 May 2020 31 Mar 2020 028-13626
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2020 31 Dec 2019 028-13626
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Nov 2019 30 Sep 2019 028-13626
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Aug 2019 30 Jun 2019 028-13626
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 May 2019 31 Mar 2019 028-13626
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13 Feb 2019 31 Dec 2018 028-13626
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13 Nov 2018 30 Sep 2018 028-13626
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Aug 2018 30 Jun 2018 028-13626
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 May 2018 31 Mar 2018 028-13626
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 Feb 2018 31 Dec 2017 028-13626
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 Aug 2013 30 Jun 2013 028-13626
13F-NT Open 13F-NT document View SEC filing for 13F-NT RAMIUS LLC 15 May 2013 31 Mar 2013 028-13626
13F-NT Open 13F-NT document View SEC filing for 13F-NT RAMIUS LLC 12 Feb 2013 31 Dec 2012 028-13626
13F-NT Open 13F-NT document View SEC filing for 13F-NT RAMIUS LLC 13 Nov 2012 30 Sep 2012 028-13626
13F-NT Open 13F-NT document View SEC filing for 13F-NT RAMIUS LLC 14 Aug 2012 30 Jun 2012 028-13626
13F-NT Open 13F-NT document View SEC filing for 13F-NT RAMIUS LLC 15 May 2012 31 Mar 2012 028-13626
13F-NT Open 13F-NT document View SEC filing for 13F-NT RAMIUS LLC 14 Feb 2012 31 Dec 2011 028-13626
13F-NT Open 13F-NT document View SEC filing for 13F-NT RAMIUS LLC 14 Nov 2011 30 Sep 2011 028-13626
13F-HR Open 13F-HR document View SEC filing for 13F-HR RAMIUS LLC 16 Aug 2011 30 Jun 2011 028-13626
13F-HR Open 13F-HR document View SEC filing for 13F-HR RAMIUS LLC 16 May 2011 31 Mar 2011 028-13626
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 17 Mar 2011
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 11 TO THE SCHEDULE 13D 11 Mar 2011
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 5 TO THE SCHEDULE 13D 09 Mar 2011
DFAN14A Open DFAN14A document View SEC filing for DFAN14A 28 Feb 2011
DFAN14A Open DFAN14A document View SEC filing for DFAN14A 24 Feb 2011
DFAN14A Open DFAN14A document View SEC filing for DFAN14A 22 Feb 2011
13F-HR Open 13F-HR document View SEC filing for 13F-HR RAMIUS LLC 14 Feb 2011 31 Dec 2010 028-13626
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 3 TO THE SCHEDULE 13D 14 Feb 2011
DFAN14A Open DFAN14A document View SEC filing for DFAN14A 11 Feb 2011
DFAN14A Open DFAN14A document View SEC filing for DFAN14A 11 Feb 2011
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO. 2 TO THE SCHEDULE 13G 10 Feb 2011
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO. 1 TO THE SCHEDULE 13G 10 Feb 2011
CORRESP Open CORRESP document View SEC filing for CORRESP 08 Feb 2011
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 5 TO THE SCHEDULE 13D 07 Feb 2011
DFAN14A Open DFAN14A document View SEC filing for DFAN14A 01 Feb 2011
DFAN14A Open DFAN14A document View SEC filing for DFAN14A 31 Jan 2011
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO. 4 TO THE SCHEDULE 13G 28 Jan 2011
4 Open 4 document View SEC filing for 4 24 Jan 2011 20 Jan 2011 001-33345
4 Open 4 document View SEC filing for 4 24 Jan 2011 20 Jan 2011 001-33345
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO. 3 TO THE SCHEDULE 13G 24 Jan 2011
DFAN14A Open DFAN14A document View SEC filing for DFAN14A 21 Jan 2011
DFAN14A Open DFAN14A document View SEC filing for DFAN14A 21 Jan 2011
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO. 4 TO THE SCHEDULE 13G 19 Jan 2011
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 4 TO THE SCHEDULE 13D 19 Jan 2011
DFAN14A Open DFAN14A document View SEC filing for DFAN14A 19 Jan 2011
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 4 TO THE SCHEDULE 13D 13 Jan 2011
4 Open 4 document View SEC filing for 4 07 Jan 2011 05 Jan 2011 001-34601
4 Open 4 document View SEC filing for 4 07 Jan 2011 05 Jan 2011 001-34601
DFAN14A Open DFAN14A document View SEC filing for DFAN14A 07 Jan 2011
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 1 TO THE SCHEDULE 13D 06 Jan 2011
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 03 Jan 2011
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 3 TO THE SCHEDULE 13D 29 Dec 2010
4 Open 4 document View SEC filing for 4 22 Dec 2010 20 Dec 2010 000-27969
4 Open 4 document View SEC filing for 4 22 Dec 2010 20 Dec 2010 000-27969
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 9 TO THE SCHEDULE 13D 22 Dec 2010
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 3 TO THE SCHEDULE 13D 21 Dec 2010
4 Open 4 document View SEC filing for 4 17 Dec 2010 15 Dec 2010 000-27969
4 Open 4 document View SEC filing for 4 17 Dec 2010 15 Dec 2010 000-27969
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 4 TO THE SCHEDULE 13D 17 Dec 2010
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 8 TO THE SCHEDULE 13D 16 Dec 2010
4 Open 4 document View SEC filing for 4 15 Dec 2010 13 Dec 2010 000-27969
4 Open 4 document View SEC filing for 4 15 Dec 2010 13 Dec 2010 000-27969
4 Open 4 document View SEC filing for 4 14 Dec 2010 09 Dec 2010 001-34601
4 Open 4 document View SEC filing for 4 14 Dec 2010 09 Dec 2010 001-34601
4 Open 4 document View SEC filing for 4 13 Dec 2010 08 Dec 2010 000-27969
4 Open 4 document View SEC filing for 4 13 Dec 2010 08 Dec 2010 000-27969
DFAN14A Open DFAN14A document View SEC filing for DFAN14A 13 Dec 2010
DFAN14A Open DFAN14A document View SEC filing for DFAN14A 07 Dec 2010
DFAN14A Open DFAN14A document View SEC filing for DFAN14A 06 Dec 2010
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 2 TO THE SCHEDULE 13D 06 Dec 2010
4 Open 4 document View SEC filing for 4 03 Dec 2010 01 Dec 2010 001-34601
4 Open 4 document View SEC filing for 4 03 Dec 2010 02 Dec 2010 001-34601
4 Open 4 document View SEC filing for 4 24 Nov 2010 23 Nov 2010 000-17111
4 Open 4 document View SEC filing for 4 24 Nov 2010 23 Nov 2010 000-17111
3 Open 3 document View SEC filing for 3 24 Nov 2010 16 Nov 2010 000-23837
3 Open 3 document View SEC filing for 3 24 Nov 2010 16 Nov 2010 000-23837
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 6 TO THE SCHEDULE 13D 24 Nov 2010
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 1 TO THE SCHEDULE 13D 18 Nov 2010
DFAN14A Open DFAN14A document View SEC filing for DFAN14A 17 Nov 2010
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 17 Nov 2010
13F-HR Open 13F-HR document View SEC filing for 13F-HR RAMIUS LLC 15 Nov 2010 30 Sep 2010 028-13626
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 7 TO THE SCHEDULE 13D 09 Nov 2010
4 Open 4 document View SEC filing for 4 08 Nov 2010 04 Nov 2010 000-27969
4 Open 4 document View SEC filing for 4 08 Nov 2010 04 Nov 2010 000-27969
4 Open 4 document View SEC filing for 4 01 Nov 2010 28 Oct 2010 000-27969
4 Open 4 document View SEC filing for 4 01 Nov 2010 28 Oct 2010 000-27969
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 7 TO THE SCHEDULE 13D 01 Nov 2010
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 01 Nov 2010
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 4 TO THE SCHEDULE 13D 28 Oct 2010
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 2 TO THE SCHEDULE 13D 27 Oct 2010
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 1 TO THE SCHEDULE 13D 27 Oct 2010
4 Open 4 document View SEC filing for 4 22 Oct 2010 22 Oct 2010 000-27969
4 Open 4 document View SEC filing for 4 22 Oct 2010 22 Oct 2010 000-27969
4 Open 4 document View SEC filing for 4 21 Oct 2010 19 Oct 2010 000-27969
4 Open 4 document View SEC filing for 4 21 Oct 2010 19 Oct 2010 000-27969
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 2 TO THE SCHEDULE 13D 15 Oct 2010
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 6 TO THE SCHEDULE 13D 05 Oct 2010
SC TO-T/A Open SC TO-T/A document View SEC filing for SC TO-T/A 21 Sep 2010
SC TO-T/A Open SC TO-T/A document View SEC filing for SC TO-T/A 20 Sep 2010
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 5 TO THE SCHEDULE 13D 20 Sep 2010
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 2 TO THE SCHEDULE 13D 16 Sep 2010
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 4 TO THE SCHEDULE 13D 16 Sep 2010
SC TO-T Open SC TO-T document View SEC filing for SC TO-T SCHEDULE TO 15 Sep 2010
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 3 TO THE SCHEDULE 13D 14 Sep 2010
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 03 Sep 2010
13F-HR Open 13F-HR document View SEC filing for 13F-HR RAMIUS LLC 13 Aug 2010 30 Jun 2010 028-13626
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 3 TO THE SCHEDULE 13D 12 Aug 2010
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 1 TO THE SCHEDULE 13D 12 Aug 2010
4 Open 4 document View SEC filing for 4 09 Aug 2010 05 Aug 2010 000-27969
4 Open 4 document View SEC filing for 4 09 Aug 2010 05 Aug 2010 000-27969
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 2 TO THE SCHEDULE 13D 06 Aug 2010
4 Open 4 document View SEC filing for 4 05 Aug 2010 03 Aug 2010 000-27969
4 Open 4 document View SEC filing for 4 05 Aug 2010 03 Aug 2010 000-27969
DFAN14A Open DFAN14A document View SEC filing for DFAN14A 05 Aug 2010
4 Open 4 document View SEC filing for 4 29 Jul 2010 27 Jul 2010 000-27969
4 Open 4 document View SEC filing for 4 29 Jul 2010 27 Jul 2010 000-27969
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 1 TO THE SCHEDULE 13D 22 Jul 2010
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 1 TO THE SCHEDULE 13D 22 Jul 2010
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 19 Jul 2010
4 Open 4 document View SEC filing for 4 07 Jul 2010 02 Jul 2010 001-34601
4 Open 4 document View SEC filing for 4 07 Jul 2010 02 Jul 2010 001-34601
4/A Open 4/A document View SEC filing for 4/A 07 Jul 2010 01 Dec 2009 001-34601
4/A Open 4/A document View SEC filing for 4/A 07 Jul 2010 01 Dec 2009 001-34601
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 07 Jul 2010
4 Open 4 document View SEC filing for 4 01 Jul 2010 30 Jun 2010 001-33345
4 Open 4 document View SEC filing for 4 01 Jul 2010 30 Jun 2010 001-33345
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 23 Jun 2010
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 2 TO THE SCHEDULE 13D 08 Jun 2010
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 6 TO THE SCHEDULE 13D 24 May 2010
13F-HR Open 13F-HR document View SEC filing for 13F-HR RAMIUS LLC 13 May 2010 31 Mar 2010 028-13626
4 Open 4 document View SEC filing for 4 04 May 2010 01 May 2010 000-27969
4 Open 4 document View SEC filing for 4 04 May 2010 01 May 2010 000-27969
4 Open 4 document View SEC filing for 4 04 May 2010 01 May 2010 000-27312
4 Open 4 document View SEC filing for 4 04 May 2010 01 May 2010 000-27312
4 Open 4 document View SEC filing for 4 04 May 2010 01 May 2010 000-17111
4 Open 4 document View SEC filing for 4 04 May 2010 01 May 2010 000-17111
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 13 TO THE SCHEDULE 13D 03 May 2010
4 Open 4 document View SEC filing for 4 03 May 2010 29 Apr 2010 000-27969
4 Open 4 document View SEC filing for 4 03 May 2010 29 Apr 2010 000-27969
4 Open 4 document View SEC filing for 4 29 Apr 2010 27 Apr 2010 000-27969
4 Open 4 document View SEC filing for 4 29 Apr 2010 27 Apr 2010 000-27969
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 12 TO THE SCHEDULE 13D 28 Apr 2010
4 Open 4 document View SEC filing for 4 27 Apr 2010 23 Apr 2010 000-27969
4 Open 4 document View SEC filing for 4 27 Apr 2010 23 Apr 2010 000-27969
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 1 TO THE SCHEDULE 13D 26 Apr 2010
4 Open 4 document View SEC filing for 4 19 Apr 2010 15 Apr 2010 001-34601
4 Open 4 document View SEC filing for 4 19 Apr 2010 15 Apr 2010 001-34601
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 1 TO THE SCHEDULE 13D 15 Apr 2010
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 09 Apr 2010
4 Open 4 document View SEC filing for 4 08 Apr 2010 06 Apr 2010 000-53534
4 Open 4 document View SEC filing for 4 08 Apr 2010 06 Apr 2010 000-53534
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 1 TO THE SCHEDULE 13D 08 Apr 2010
4 Open 4 document View SEC filing for 4 06 Apr 2010 01 Apr 2010 001-33345
4 Open 4 document View SEC filing for 4 06 Apr 2010 01 Apr 2010 001-33345
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 28 TO THE SCHEDULE 13D 06 Apr 2010
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO. 3 TO THE SCHEDULE 13G 01 Apr 2010
4 Open 4 document View SEC filing for 4 29 Mar 2010 25 Mar 2010 001-33345
4 Open 4 document View SEC filing for 4 29 Mar 2010 25 Mar 2010 001-33345
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 3 TO THE SCHEDULE 13D 26 Mar 2010
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 11 TO THE SCHEDULE 13D 24 Mar 2010
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 27 TO THE SCHEDULE 13D 22 Mar 2010
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 19 Mar 2010
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 5 TO THE SCHEDULE 13D 17 Mar 2010
4 Open 4 document View SEC filing for 4 16 Mar 2010 12 Mar 2010 000-53534
4 Open 4 document View SEC filing for 4 16 Mar 2010 12 Mar 2010 000-53534
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 15 Mar 2010
4 Open 4 document View SEC filing for 4 11 Mar 2010 09 Mar 2010 001-34601
4 Open 4 document View SEC filing for 4 11 Mar 2010 09 Mar 2010 001-34601
4 Open 4 document View SEC filing for 4 08 Mar 2010 04 Mar 2010 001-34601
4 Open 4 document View SEC filing for 4 08 Mar 2010 04 Mar 2010 001-34601
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 10 TO THE SCHEDULE 13D 02 Mar 2010
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 26 TO THE SCHEDULE 13D 02 Mar 2010
4 Open 4 document View SEC filing for 4 01 Mar 2010 25 Feb 2010 000-53534
4 Open 4 document View SEC filing for 4 01 Mar 2010 25 Feb 2010 000-53534
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 26 Feb 2010
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 4 TO THE SCHEDULE 13D 23 Feb 2010
13F-HR Open 13F-HR document View SEC filing for 13F-HR RAMIUS LLC 16 Feb 2010 31 Dec 2009 028-13626
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO. 2 TO THE SCHEDULE 13G 11 Feb 2010
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO. 2 TO THE SCHEDULE 13G 11 Feb 2010
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO. 2 TO THE SCHEDULE 13G 11 Feb 2010
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO. 1 TO THE SCHEDULE 13G 10 Feb 2010
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO. 2 TO THE SCHEDULE 13G 10 Feb 2010
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO. 3 TO THE SCHEDULE 13G 10 Feb 2010
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO. 2 TO THE SCHEDULE 13G 10 Feb 2010
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 25 TO THE SCHEDULE 13D 09 Feb 2010
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 2 TO THE SCHEDULE 13D 08 Feb 2010
4 Open 4 document View SEC filing for 4 05 Feb 2010 01 Feb 2010 000-27969
4 Open 4 document View SEC filing for 4 05 Feb 2010 01 Feb 2010 000-17111
4 Open 4 document View SEC filing for 4 05 Feb 2010 01 Feb 2010 000-27969
4 Open 4 document View SEC filing for 4 05 Feb 2010 01 Feb 2010 000-17111
3 Open 3 document View SEC filing for 3 25 Jan 2010 23 Jan 2010 000-53534
3 Open 3 document View SEC filing for 3 25 Jan 2010 23 Jan 2010 000-53534
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 25 Jan 2010
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 9 TO THE SCHEDULE 13D 22 Jan 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Jan 2010 15 Jan 2010 001-10204
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Jan 2010 15 Jan 2010 001-10204
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 24 TO THE SCHEDULE 13D 20 Jan 2010
4 Open 4 document View SEC filing for 4 15 Jan 2010 12 Jan 2010 000-11071
3 Open 3 document View SEC filing for 3 15 Jan 2010 08 Jan 2010 000-11071
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 15 Jan 2010 13 Jan 2010 001-10204
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 15 Jan 2010 13 Jan 2010 001-10204
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 15 Jan 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Jan 2010 11 Jan 2010 001-10204
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Jan 2010 11 Jan 2010 001-10204
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Jan 2010 07 Jan 2010 001-10204
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Jan 2010 07 Jan 2010 001-10204
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 23 TO THE SCHEDULE 13D 11 Jan 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 07 Jan 2010 07 Jan 2010 001-10204
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 07 Jan 2010 05 Jan 2010 001-10204
4 Open 4 document View SEC filing for 4 06 Jan 2010 01 Jan 2010 000-27969
4 Open 4 document View SEC filing for 4 06 Jan 2010 01 Jan 2010 000-27312
4 Open 4 document View SEC filing for 4 06 Jan 2010 01 Jan 2010 001-10204
4 Open 4 document View SEC filing for 4 06 Jan 2010 01 Jan 2010 000-17111
4 Open 4 document View SEC filing for 4 06 Jan 2010 01 Jan 2010 000-27969
4 Open 4 document View SEC filing for 4 06 Jan 2010 01 Jan 2010 000-27312
4 Open 4 document View SEC filing for 4 06 Jan 2010 01 Jan 2010 001-10204
4 Open 4 document View SEC filing for 4 06 Jan 2010 01 Jan 2010 000-17111
3/A Open 3/A document View SEC filing for 3/A 06 Jan 2010 30 Oct 2009 000-27969
3/A Open 3/A document View SEC filing for 3/A 06 Jan 2010 30 Oct 2009 000-27969
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Jan 2010 30 Dec 2009 001-10204
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Jan 2010 30 Dec 2009 001-10204

About this filer

Cowen Investment Management LLC files with the SEC under CIK 0001475770. This page aggregates EDGAR filings and related ownership activity.

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