WILLIAM C. MARTIN

Business address
C/O Raging Capital Ventures, Llc, Ten Princeton Avenue, Po Box 228, Rocky Hill, NJ, 08553
Top holdings (ownership)
BNED and IMMR
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WILLIAM C. MARTIN has filed 300 SEC EDGAR filings since 06 Jan 2003

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 4 18 Nov 2025 14 Nov 2025 001-38334
13F-NT Open Document Open Filing 14 Nov 2025 30 Sep 2025 028-14728
4 Open Document Open Filing 4 04 Nov 2025 31 Oct 2025 001-38334
13F-NT Open Document Open Filing 14 Aug 2025 30 Jun 2025 028-14728
4 Open Document Open Filing PRIMARY DOCUMENT 05 Aug 2025 31 Jul 2025 001-38334
4 Open Document Open Filing PRIMARY DOCUMENT 03 Jul 2025 01 Jul 2025 001-38334
13F-NT Open Document Open Filing 15 May 2025 31 Mar 2025 028-14728
4 Open Document Open Filing PRIMARY DOCUMENT 08 May 2025 02 May 2025 001-38334
4 Open Document Open Filing PRIMARY DOCUMENT 02 May 2025 30 Apr 2025 001-38334
4 Open Document Open Filing PRIMARY DOCUMENT 02 Apr 2025 01 Apr 2025 001-38334
4 Open Document Open Filing PRIMARY DOCUMENT 24 Mar 2025 31 Jan 2025 001-38334
4 Open Document Open Filing OWNERSHIP DOCUMENT 14 Mar 2025 12 Mar 2025 001-37499
13F-NT Open Document Open Filing 14 Feb 2025 31 Dec 2024 028-14728
4 Open Document Open Filing PRIMARY DOCUMENT 03 Jan 2025 01 Jan 2025 001-38334
4 Open Document Open Filing PRIMARY DOCUMENT 31 Oct 2024 31 Oct 2024 001-38334
4 Open Document Open Filing OWNERSHIP DOCUMENT 03 Oct 2024 01 Oct 2024 001-38334
4 Open Document Open Filing FORM 4 23 Sep 2024 20 Sep 2024 001-37499
4 Open Document Open Filing PRIMARY DOCUMENT 29 Aug 2024 27 Aug 2024 001-38334
4 Open Document Open Filing PRIMARY DOCUMENT 07 Aug 2024 06 Aug 2024 001-38334
4 Open Document Open Filing FORM 4 10 Jul 2024 08 Jul 2024 001-37499
4 Open Document Open Filing PRIMARY DOCUMENT 02 Jul 2024 28 Jun 2024 001-38334
4 Open Document Open Filing FORM 4 21 Jun 2024 19 Jun 2024 001-37499
3 Open Document Open Filing OWNERSHIP DOCUMENT 12 Jun 2024 10 Jun 2024 001-37499
4 Open Document Open Filing PRIMARY DOCUMENT 06 May 2024 03 May 2024 001-38334
4 Open Document Open Filing PRIMARY DOCUMENT 30 Apr 2024 29 Apr 2024 001-38334
4 Open Document Open Filing PRIMARY DOCUMENT 02 Apr 2024 29 Mar 2024 001-38334
4 Open Document Open Filing PRIMARY DOCUMENT 16 Jan 2024 12 Jan 2024 001-38334
4 Open Document Open Filing FORM 4 03 Jan 2024 01 Jan 2024 000-21044
4 Open Document Open Filing PRIMARY DOCUMENT 02 Jan 2024 29 Dec 2023 001-38334
4/A Open Document Open Filing 20 Dec 2023 05 Dec 2023 000-21044
4 Open Document Open Filing OWNERSHIP DOCUMENT 06 Dec 2023 04 Dec 2023 000-21044
4 Open Document Open Filing OWNERSHIP DOCUMENT 28 Nov 2023 24 Nov 2023 000-21044
4 Open Document Open Filing OWNERSHIP DOCUMENT 07 Nov 2023 03 Nov 2023 000-21044
4 Open Document Open Filing OWNERSHIP DOCUMENT 31 Oct 2023 27 Oct 2023 000-21044
3 Open Document Open Filing OWNERSHIP DOCUMENT 31 Oct 2023 27 Oct 2023 000-21044
4 Open Document Open Filing PRIMARY DOCUMENT 03 Oct 2023 30 Sep 2023 001-38334
4 Open Document Open Filing PRIMARY DOCUMENT 05 Jul 2023 30 Jun 2023 001-38334
4 Open Document Open Filing FORM 4 04 Apr 2023 01 Apr 2023 001-38334
4 Open Document Open Filing FORM 4 03 Apr 2023 30 Mar 2023 001-38334
4 Open Document Open Filing FORM 4 21 Mar 2023 19 Mar 2023 001-38334
4 Open Document Open Filing FORM 4 17 Jan 2023 13 Jan 2023 001-38334
4 Open Document Open Filing FORM 4 04 Jan 2023 03 Jan 2023 001-38334
4 Open Document Open Filing FORM 4 18 Oct 2022 14 Oct 2022 001-38334
4 Open Document Open Filing FORM 4 04 Oct 2022 01 Oct 2022 001-38334
4 Open Document Open Filing FORM 4 15 Sep 2022 13 Sep 2022 001-38334
4 Open Document Open Filing FORM 4 06 Sep 2022 01 Sep 2022 001-38334
4 Open Document Open Filing FORM 4 01 Sep 2022 30 Aug 2022 001-38334
4 Open Document Open Filing FORM 4 29 Aug 2022 25 Aug 2022 001-38334
4 Open Document Open Filing FORM 4 22 Aug 2022 18 Aug 2022 001-38334
4 Open Document Open Filing FORM 4 06 Jul 2022 01 Jul 2022 001-38334
4 Open Document Open Filing FORM 4 09 Jun 2022 07 Jun 2022 001-38334
4 Open Document Open Filing FORM 4 01 Jun 2022 27 May 2022 001-38334
4 Open Document Open Filing FORM 4 SUBMISSION 25 May 2022 23 May 2022 001-38334
4 Open Document Open Filing FORM 4 05 Apr 2022 01 Apr 2022 001-38334
4 Open Document Open Filing PRIMARY DOCUMENT 28 Jan 2022 28 Jan 2022 001-38334
4 Open Document Open Filing OWNERSHIP DOCUMENT 03 Jan 2022 29 Dec 2021 001-38334
4 Open Document Open Filing OWNERSHIP DOCUMENT 15 Nov 2021 11 Nov 2021 001-38334
13F-NT Open Document Open Filing 15 Nov 2021 30 Sep 2021 028-14728
4 Open Document Open Filing OWNERSHIP DOCUMENT 10 Nov 2021 08 Nov 2021 001-38334
13F-NT Open Document Open Filing 16 Aug 2021 30 Jun 2021 028-14728
4/A Open Document Open Filing 28 May 2021 13 May 2021 001-38334
4/A Open Document Open Filing OWNERSHIP DOCUMENT 19 May 2021 13 May 2021 001-38334
4 Open Document Open Filing OWNERSHIP DOCUMENT 17 May 2021 13 May 2021 001-38334
13F-NT Open Document Open Filing 17 May 2021 31 Mar 2021 028-14728
4 Open Document Open Filing OWNERSHIP DOCUMENT 19 Feb 2021 18 Feb 2021 001-38334
13F-NT Open Document Open Filing 16 Feb 2021 31 Dec 2020 028-14728
4 Open Document Open Filing OWNERSHIP DOCUMENT 30 Dec 2020 28 Dec 2020 001-38334
4 Open Document Open Filing 28 Dec 2020 22 Dec 2020 001-38334
4 Open Document Open Filing 22 Dec 2020 18 Dec 2020 001-38334
4 Open Document Open Filing OWNERSHIP DOCUMENT 18 Dec 2020 16 Dec 2020 001-38334
4 Open Document Open Filing OWNERSHIP DOCUMENT 01 Dec 2020 27 Nov 2020 001-38334
13F-NT Open Document Open Filing 16 Nov 2020 30 Sep 2020 028-14728
4 Open Document Open Filing OWNERSHIP DOCUMENT 04 Sep 2020 02 Sep 2020 001-38334
13F-NT Open Document Open Filing 14 Aug 2020 30 Jun 2020 028-14728
4 Open Document Open Filing OWNERSHIP DOCUMENT 16 Jun 2020 12 Jun 2020 001-38334
13F-NT Open Document Open Filing 15 May 2020 31 Mar 2020 028-14728
13F-NT Open Document Open Filing 14 Feb 2020 31 Dec 2019 028-14728
13F-NT Open Document Open Filing 14 Nov 2019 30 Sep 2019 028-14728
4 Open Document Open Filing OWNERSHIP DOCUMENT 24 Sep 2019 20 Sep 2019 001-35348
13F-NT Open Document Open Filing 14 Aug 2019 30 Jun 2019 028-14728
4 Open Document Open Filing OWNERSHIP DOCUMENT 13 Aug 2019 09 Aug 2019 001-38334
4 Open Document Open Filing OWNERSHIP DOCUMENT 08 Aug 2019 06 Aug 2019 001-38334
4 Open Document Open Filing OWNERSHIP DOCUMENT 06 Aug 2019 02 Aug 2019 001-38334
13F-NT Open Document Open Filing 15 May 2019 31 Mar 2019 028-14728
13F-NT Open Document Open Filing 14 Feb 2019 31 Dec 2018 028-14728
4 Open Document Open Filing OWNERSHIP DOCUMENT 19 Nov 2018 15 Nov 2018 001-06311
3 Open Document Open Filing OWNERSHIP DOCUMENT 19 Nov 2018 15 Nov 2018 001-06311
4 Open Document Open Filing OWNERSHIP DOCUMENT 19 Nov 2018 15 Nov 2018 001-33607
13F-NT Open Document Open Filing 14 Nov 2018 30 Sep 2018 028-14728
13F-NT Open Document Open Filing 14 Aug 2018 30 Jun 2018 028-14728
13F-NT Open Document Open Filing 15 May 2018 31 Mar 2018 028-14728
13F-NT Open Document Open Filing 14 Feb 2018 31 Dec 2017 028-14728
3 Open Document Open Filing OWNERSHIP DOCUMENT 26 Dec 2017 15 Dec 2017 001-35256
4 Open Document Open Filing OWNERSHIP DOCUMENT 26 Dec 2017 21 Dec 2017 001-33607
4 Open Document Open Filing FORM 4 15 Dec 2017 13 Dec 2017 000-27969
4 Open Document Open Filing FORM 4 12 Dec 2017 08 Dec 2017 000-27969
4 Open Document Open Filing FORM 4 07 Dec 2017 05 Dec 2017 000-27969
4 Open Document Open Filing OWNERSHIP DOCUMENT 07 Dec 2017 05 Dec 2017 001-15795
4/A Open Document Open Filing FORM 4/A 06 Dec 2017 01 Dec 2017 000-27969
3/A Open Document Open Filing FORM 3/A 06 Dec 2017 30 Nov 2017 000-27969
4 Open Document Open Filing OWNERSHIP DOCUMENT 04 Dec 2017 30 Nov 2017 001-15795
4 Open Document Open Filing OWNERSHIP DOCUMENT 16 Nov 2017 14 Nov 2017 001-33607
13F-NT Open Document Open Filing 14 Nov 2017 30 Sep 2017 028-14728
4 Open Document Open Filing OWNERSHIP DOCUMENT 17 Oct 2017 13 Oct 2017 001-15795
4 Open Document Open Filing OWNERSHIP DOCUMENT 12 Oct 2017 10 Oct 2017 001-15795
4 Open Document Open Filing OWNERSHIP DOCUMENT 15 Aug 2017 11 Aug 2017 001-11174
13F-NT Open Document Open Filing 14 Aug 2017 30 Jun 2017 028-14728
13F-NT Open Document Open Filing 15 May 2017 31 Mar 2017 028-14728
4 Open Document Open Filing OWNERSHIP DOCUMENT 08 Mar 2017 06 Mar 2017 001-15795
4 Open Document Open Filing OWNERSHIP DOCUMENT 02 Mar 2017 28 Feb 2017 001-15795
13F-NT Open Document Open Filing 14 Feb 2017 31 Dec 2016 028-14728
3 Open Document Open Filing OWNERSHIP DOCUMENT 10 Feb 2017 01 Feb 2017 001-15795
4 Open Document Open Filing OWNERSHIP DOCUMENT 19 Dec 2016 15 Dec 2016 001-35348
4 Open Document Open Filing OWNERSHIP DOCUMENT 22 Nov 2016 18 Nov 2016 001-35348
4 Open Document Open Filing OWNERSHIP DOCUMENT 17 Nov 2016 15 Nov 2016 001-35348
13F-NT Open Document Open Filing 14 Nov 2016 30 Sep 2016 028-14728
4 Open Document Open Filing OWNERSHIP DOCUMENT 07 Nov 2016 04 Nov 2016 001-05415
4 Open Document Open Filing OWNERSHIP DOCUMENT 16 Aug 2016 12 Aug 2016 001-35348
13F-NT Open Document Open Filing 15 Aug 2016 30 Jun 2016 028-14728
4 Open Document Open Filing OWNERSHIP DOCUMENT 11 Aug 2016 09 Aug 2016 001-35348
13F-NT Open Document Open Filing 16 May 2016 31 Mar 2016 028-14728
13F-NT Open Document Open Filing 16 Feb 2016 31 Dec 2015 028-14728
4 Open Document Open Filing OWNERSHIP DOCUMENT 04 Jan 2016 30 Dec 2015 001-33607
3 Open Document Open Filing OWNERSHIP DOCUMENT 25 Nov 2015 19 Nov 2015 001-33607
13F-NT Open Document Open Filing 16 Nov 2015 30 Sep 2015 028-14728
4 Open Document Open Filing OWNERSHIP DOCUMENT 25 Sep 2015 23 Sep 2015 001-35348
13F-NT Open Document Open Filing 14 Aug 2015 30 Jun 2015 028-14728
3 Open Document Open Filing OWNERSHIP DOCUMENT 01 Jul 2015 24 Jun 2015 001-35348
4 Open Document Open Filing OWNERSHIP DOCUMENT 25 Jun 2015 23 Jun 2015 001-11174
13F-NT Open Document Open Filing 15 May 2015 31 Mar 2015 028-14728
4 Open Document Open Filing OWNERSHIP DOCUMENT 29 Apr 2015 28 Apr 2015 001-31614
4 Open Document Open Filing OWNERSHIP DOCUMENT 03 Mar 2015 27 Feb 2015 001-05415
13F-NT Open Document Open Filing 17 Feb 2015 31 Dec 2014 028-14728
4 Open Document Open Filing OWNERSHIP DOCUMENT 05 Feb 2015 30 Jan 2015 001-05415
4 Open Document Open Filing OWNERSHIP DOCUMENT 03 Feb 2015 30 Jan 2015 001-11699
4 Open Document Open Filing OWNERSHIP DOCUMENT 30 Jan 2015 28 Jan 2015 001-05415
4 Open Document Open Filing OWNERSHIP DOCUMENT 29 Jan 2015 27 Jan 2015 001-11699
4 Open Document Open Filing OWNERSHIP DOCUMENT 26 Jan 2015 22 Jan 2015 001-05415
4 Open Document Open Filing OWNERSHIP DOCUMENT 21 Jan 2015 16 Jan 2015 001-05415
4 Open Document Open Filing OWNERSHIP DOCUMENT 05 Jan 2015 31 Dec 2014 001-05415
4 Open Document Open Filing OWNERSHIP DOCUMENT 30 Dec 2014 26 Dec 2014 001-05415
3 Open Document Open Filing OWNERSHIP DOCUMENT 30 Dec 2014 24 Dec 2014 001-05415
4 Open Document Open Filing OWNERSHIP DOCUMENT 24 Dec 2014 16 Dec 2014 001-11699
4 Open Document Open Filing OWNERSHIP DOCUMENT 10 Dec 2014 08 Dec 2014 000-54391
4 Open Document Open Filing OWNERSHIP DOCUMENT 09 Dec 2014 05 Dec 2014 001-11699
13F-NT Open Document Open Filing 14 Nov 2014 30 Sep 2014 028-14728
4 Open Document Open Filing OWNERSHIP DOCUMENT 07 Nov 2014 30 Oct 2014 001-31614
13F-NT Open Document Open Filing 14 Aug 2014 30 Jun 2014 028-14728
4 Open Document Open Filing OWNERSHIP DOCUMENT 16 Jun 2014 12 Jun 2014 001-31614
4 Open Document Open Filing OWNERSHIP DOCUMENT 13 Jun 2014 11 Jun 2014 001-11699
4/A Open Document Open Filing OWNERSHIP DOCUMENT 09 Jun 2014 03 Jun 2014 001-11699
4 Open Document Open Filing OWNERSHIP DOCUMENT 05 Jun 2014 03 Jun 2014 001-11699
13F-NT Open Document Open Filing 15 May 2014 31 Mar 2014 028-14728
3 Open Document Open Filing OWNERSHIP DOCUMENT 09 May 2014 07 May 2014 001-11699
13F-NT Open Document Open Filing 14 Feb 2014 31 Dec 2013 028-14728
4 Open Document Open Filing OWNERSHIP DOCUMENT 10 Feb 2014 06 Feb 2014 001-31614
4 Open Document Open Filing OWNERSHIP DOCUMENT 31 Jan 2014 29 Jan 2014 001-31614
13F-NT Open Document Open Filing 14 Nov 2013 30 Sep 2013 028-14728
13F-NT Open Document Open Filing 14 Aug 2013 30 Jun 2013 028-14728
4 Open Document Open Filing OWNERSHIP DOCUMENT 24 Jun 2013 20 Jun 2013 001-31614
4 Open Document Open Filing OWNERSHIP DOCUMENT 30 May 2013 28 May 2013 001-13070
13F-NT Open Document Open Filing 15 May 2013 31 Mar 2013 028-14728
4 Open Document Open Filing OWNERSHIP DOCUMENT 04 Apr 2013 02 Apr 2013 001-13070
4 Open Document Open Filing OWNERSHIP DOCUMENT 19 Feb 2013 14 Feb 2013 000-04408
13F-NT Open Document Open Filing 14 Feb 2013 31 Dec 2012 028-14728
4 Open Document Open Filing OWNERSHIP DOCUMENT 31 Jan 2013 29 Jan 2013 000-25779
4 Open Document Open Filing OWNERSHIP DOCUMENT 28 Jan 2013 24 Jan 2013 000-25779
4 Open Document Open Filing OWNERSHIP DOCUMENT 25 Jan 2013 23 Jan 2013 001-31614
4 Open Document Open Filing OWNERSHIP DOCUMENT 23 Jan 2013 18 Jan 2013 000-25779
4 Open Document Open Filing OWNERSHIP DOCUMENT 03 Jan 2013 01 Jan 2013 001-31614
4 Open Document Open Filing OWNERSHIP DOCUMENT 03 Jan 2013 01 Jan 2013 000-04408
4 Open Document Open Filing OWNERSHIP DOCUMENT 03 Jan 2013 01 Jan 2013 000-25779
4 Open Document Open Filing OWNERSHIP DOCUMENT 03 Jan 2013 01 Jan 2013 001-13070
4 Open Document Open Filing OWNERSHIP DOCUMENT 03 Jan 2013 01 Jan 2013 000-54391
4 Open Document Open Filing OWNERSHIP DOCUMENT 03 Jan 2013 01 Jan 2013 001-11174
3/A Open Document Open Filing OWNERSHIP DOCUMENT 03 Jan 2013 06 May 2011 001-13070
4 Open Document Open Filing OWNERSHIP DOCUMENT 18 Dec 2012 14 Dec 2012 000-25779
4 Open Document Open Filing OWNERSHIP DOCUMENT 13 Dec 2012 11 Dec 2012 000-25779
4 Open Document Open Filing OWNERSHIP DOCUMENT 11 Dec 2012 07 Dec 2012 001-31614
4 Open Document Open Filing OWNERSHIP DOCUMENT 10 Dec 2012 06 Dec 2012 000-25779
4 Open Document Open Filing OWNERSHIP DOCUMENT 07 Dec 2012 05 Dec 2012 001-11174
3 Open Document Open Filing OWNERSHIP DOCUMENT 06 Dec 2012 04 Dec 2012 000-25779
13F-NT Open Document Open Filing 14 Nov 2012 30 Sep 2012 028-14728
4 Open Document Open Filing OWNERSHIP DOCUMENT 28 Sep 2012 21 Sep 2012 000-54391
4 Open Document Open Filing OWNERSHIP DOCUMENT 20 Aug 2012 16 Aug 2012 001-11174
13F-NT Open Document Open Filing 14 Aug 2012 30 Jun 2012 028-14728
4 Open Document Open Filing OWNERSHIP DOCUMENT 03 Aug 2012 01 Aug 2012 001-31614
4 Open Document Open Filing OWNERSHIP DOCUMENT 27 Jul 2012 25 Jul 2012 001-31614
4 Open Document Open Filing OWNERSHIP DOCUMENT 19 Jun 2012 15 Jun 2012 001-11174
4/A Open Document Open Filing OWNERSHIP DOCUMENT 19 Jun 2012 05 Jun 2012 001-11174
4 Open Document Open Filing OWNERSHIP DOCUMENT 14 Jun 2012 12 Jun 2012 001-11174
4 Open Document Open Filing OWNERSHIP DOCUMENT 07 Jun 2012 05 Jun 2012 001-11174
4 Open Document Open Filing OWNERSHIP DOCUMENT 30 May 2012 25 May 2012 001-11174
4 Open Document Open Filing OWNERSHIP DOCUMENT 21 May 2012 17 May 2012 001-11174
13F-NT Open Document Open Filing 15 May 2012 31 Mar 2012 028-14728
4 Open Document Open Filing OWNERSHIP DOCUMENT 11 May 2012 09 May 2012 001-11174
4 Open Document Open Filing OWNERSHIP DOCUMENT 16 Apr 2012 12 Apr 2012 001-11174
4 Open Document Open Filing OWNERSHIP DOCUMENT 13 Apr 2012 11 Apr 2012 001-33399
4 Open Document Open Filing OWNERSHIP DOCUMENT 05 Apr 2012 04 Apr 2012 001-33399
4 Open Document Open Filing OWNERSHIP DOCUMENT 29 Mar 2012 27 Mar 2012 001-33399
3 Open Document Open Filing OWNERSHIP DOCUMENT 29 Mar 2012 26 Mar 2012 001-33399
4 Open Document Open Filing OWNERSHIP DOCUMENT 29 Mar 2012 27 Mar 2012 001-13070
4 Open Document Open Filing OWNERSHIP DOCUMENT 20 Mar 2012 16 Mar 2012 001-11174
4 Open Document Open Filing OWNERSHIP DOCUMENT 12 Mar 2012 08 Mar 2012 001-11174
4/A Open Document Open Filing OWNERSHIP DOCUMENT 02 Mar 2012 22 Nov 2011 001-13070
4 Open Document Open Filing OWNERSHIP DOCUMENT 02 Mar 2012 29 Feb 2012 001-13070
13F-NT Open Document Open Filing 13 Feb 2012 31 Dec 2011 028-14728
4 Open Document Open Filing OWNERSHIP DOCUMENT 02 Feb 2012 31 Jan 2012 000-53718
4 Open Document Open Filing OWNERSHIP DOCUMENT 25 Jan 2012 23 Jan 2012 001-11174
4 Open Document Open Filing OWNERSHIP DOCUMENT 20 Jan 2012 18 Jan 2012 000-53718
4 Open Document Open Filing OWNERSHIP DOCUMENT 18 Jan 2012 13 Jan 2012 001-11174
3 Open Document Open Filing OWNERSHIP DOCUMENT 18 Jan 2012 11 Jan 2012 001-11174
4 Open Document Open Filing OWNERSHIP DOCUMENT 12 Jan 2012 12 Dec 2011 001-31614
4 Open Document Open Filing OWNERSHIP DOCUMENT 09 Jan 2012 05 Jan 2012 000-54391
4 Open Document Open Filing OWNERSHIP DOCUMENT 06 Jan 2012 04 Jan 2012 001-13070
4 Open Document Open Filing OWNERSHIP DOCUMENT 05 Jan 2012 03 Jan 2012 001-31614