Benjamin C. Spero SEC EDGAR Filings (CIK 0001472386)

SEC EDGAR filings, ownership reports, and insider transactions for Benjamin C. Spero.

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

Latest Filings

Recent SEC filings for Benjamin C. Spero including 4, 4/A, 3.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jun 2023 31 May 2023 001-38664
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 May 2023 08 May 2023 001-38664
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Jun 2022 07 Jun 2022 001-38664
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 10 Aug 2021 10 Aug 2020 001-38664
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 Aug 2021 02 Jun 2021 001-38664
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Aug 2020 10 Aug 2020 001-38664
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Jun 2020 04 Jun 2020 001-38664
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 28 Feb 2020 28 Feb 2020 001-38664
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Aug 2019 08 Aug 2019 001-38664
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 07 Aug 2019 05 Aug 2019 001-38664
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Jun 2019 11 Jun 2019 001-38664
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 May 2019 13 May 2019 001-38664
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 25 Sep 2018 25 Sep 2018 001-38664
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Aug 2016 29 Aug 2016 001-36389
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 29 Aug 2016 01 Aug 2016 001-36389
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Aug 2016 01 Aug 2016 001-36389
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Jul 2016 30 Jun 2016 001-36389
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 May 2016 26 May 2016 001-36389
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 15 Apr 2016 14 Apr 2016 001-37732
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 May 2015 01 May 2015 001-36389
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 Feb 2015 09 Feb 2015 001-36389
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Sep 2014 03 Sep 2014 001-36389
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Apr 2014 09 Apr 2014 001-36389
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 03 Apr 2014 03 Apr 2014 001-36389
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jan 2013 28 Dec 2012 001-34518
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 29 May 2012 24 May 2012 001-34518
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 May 2011 16 May 2011 001-34518
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Nov 2010 17 Nov 2010 001-34518

About this filer

Benjamin C. Spero files with the SEC under CIK 0001472386. This page aggregates EDGAR filings and related ownership activity.

See reporting owner transactions.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

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