Benjamin C. Spero

Business address
333 Middlefield Road, Suite 200, Menlo Park, CA, 94025
Top holdings (ownership)
MNTV
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Benjamin C. Spero has filed 30 SEC EDGAR filings since 04 Nov 2009

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing FORM 4 SUBMISSION 02 Jun 2023 31 May 2023 001-38664
4 Open Document Open Filing FORM 4 SUBMISSION 10 May 2023 08 May 2023 001-38664
4 Open Document Open Filing FORM 4 SUBMISSION 08 Jun 2022 07 Jun 2022 001-38664
4/A Open Document Open Filing FORM 4/A SUBMISSION 10 Aug 2021 10 Aug 2020 001-38664
4 Open Document Open Filing FORM 4 SUBMISSION 10 Aug 2021 02 Jun 2021 001-38664
4 Open Document Open Filing FORM 4 SUBMISSION 12 Aug 2020 10 Aug 2020 001-38664
4 Open Document Open Filing FORM 4 SUBMISSION 08 Jun 2020 04 Jun 2020 001-38664
4 Open Document Open Filing FORM 4 SUBMISSION 28 Feb 2020 28 Feb 2020 001-38664
4 Open Document Open Filing FORM 4 SUBMISSION 09 Aug 2019 08 Aug 2019 001-38664
4 Open Document Open Filing FORM 4 SUBMISSION 07 Aug 2019 05 Aug 2019 001-38664
4 Open Document Open Filing FORM 4 SUBMISSION 13 Jun 2019 11 Jun 2019 001-38664
4 Open Document Open Filing PRIMARY DOCUMENT 15 May 2019 13 May 2019 001-38664
3 Open Document Open Filing FORM 3 SUBMISSION 25 Sep 2018 25 Sep 2018 001-38664
4 Open Document Open Filing PRIMARY DOCUMENT 30 Aug 2016 29 Aug 2016 001-36389
4/A Open Document Open Filing PRIMARY DOCUMENT 29 Aug 2016 01 Aug 2016 001-36389
4 Open Document Open Filing PRIMARY DOCUMENT 03 Aug 2016 01 Aug 2016 001-36389
4 Open Document Open Filing FORM 4 SUBMISSION 05 Jul 2016 30 Jun 2016 001-36389
4 Open Document Open Filing PRIMARY DOCUMENT 31 May 2016 26 May 2016 001-36389
3 Open Document Open Filing PRIMARY DOCUMENT 15 Apr 2016 14 Apr 2016 001-37732
4 Open Document Open Filing PRIMARY DOCUMENT 05 May 2015 01 May 2015 001-36389
4 Open Document Open Filing PRIMARY DOCUMENT 11 Feb 2015 09 Feb 2015 001-36389
4 Open Document Open Filing FORM 4 SUBMISSION 05 Sep 2014 03 Sep 2014 001-36389
4 Open Document Open Filing FORM 4 SUBMISSION 11 Apr 2014 09 Apr 2014 001-36389
3 Open Document Open Filing FORM 3 SUBMISSION 03 Apr 2014 03 Apr 2014 001-36389
4 Open Document Open Filing FORM 4 SUBMISSION 02 Jan 2013 28 Dec 2012 001-34518
4 Open Document Open Filing FORM 4 SUBMISSION 29 May 2012 24 May 2012 001-34518