Robert J. Spiegel SEC EDGAR Filings (CIK 0001492256)

SEC EDGAR filings, ownership reports, and insider transactions for Robert J. Spiegel.

Business address
C/O Geron Corporation, 230 Constitution Drive, Menlo Park, CA, 94025
Top holdings (ownership)
GERN, CYCC, and ATNX
⭐ Add to watchlist ⭐
Get insider transactions for this reporting owner
Robert J. Spiegel has filed 126 SEC EDGAR filings since 21 May 2010

Latest Filings

Recent SEC filings for Robert J. Spiegel 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 05 Jan 2026 31 Dec 2025 000-20859
4 Open 4 document View SEC filing for 4 02 Oct 2025 01 Oct 2025 001-40738
4 Open 4 document View SEC filing for 4 FORM 4 01 Oct 2025 30 Sep 2025 000-20859
4 Open 4 document View SEC filing for 4 FORM 4 01 Jul 2025 30 Jun 2025 000-20859
4 Open 4 document View SEC filing for 4 FORM 4 22 May 2025 21 May 2025 000-20859
4 Open 4 document View SEC filing for 4 4 02 Apr 2025 31 Mar 2025 000-20859
4/A Open 4/A document View SEC filing for 4/A 4/A 02 Apr 2025 31 Dec 2024 000-20859
4/A Open 4/A document View SEC filing for 4/A 4/A 02 Apr 2025 30 Sep 2024 000-20859
4/A Open 4/A document View SEC filing for 4/A 4/A 02 Apr 2025 29 Mar 2024 000-20859
4 Open 4 document View SEC filing for 4 4 02 Jan 2025 31 Dec 2024 000-20859
4 Open 4 document View SEC filing for 4 02 Oct 2024 01 Oct 2024 001-40738
4 Open 4 document View SEC filing for 4 4 01 Oct 2024 30 Sep 2024 000-20859
4 Open 4 document View SEC filing for 4 4 28 Jun 2024 29 Mar 2024 000-20859
4 Open 4 document View SEC filing for 4 4 10 May 2024 09 May 2024 000-20859
4 Open 4 document View SEC filing for 4 30 Jan 2024 26 Jan 2024 001-40738
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jan 2024 29 Dec 2023 000-20859
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 02 Oct 2023 29 Sep 2023 000-20859
4 Open 4 document View SEC filing for 4 02 Oct 2023 01 Oct 2023 001-40738
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 03 Jul 2023 30 Jun 2023 000-50626
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 30 Jun 2023 30 Jun 2023 000-20859
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 02 Jun 2023 31 May 2023 000-20859
4 Open 4 document View SEC filing for 4 27 Apr 2023 25 Apr 2023 001-40738
3 Open 3 document View SEC filing for 3 27 Apr 2023 25 Apr 2023 001-40738
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Apr 2023 21 Apr 2023 001-38112
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 03 Apr 2023 31 Mar 2023 000-20859
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 23 Jan 2023 19 Jan 2023 001-39279
4 Open 4 document View SEC filing for 4 23 Jan 2023 19 Jan 2023 001-36138
3 Open 3 document View SEC filing for 3 23 Jan 2023 19 Jan 2023 001-36138
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Jan 2023 13 Jan 2023 001-38112
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 03 Jan 2023 30 Dec 2022 000-20859
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Oct 2022 07 Oct 2022 001-38112
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 03 Oct 2022 30 Sep 2022 000-20859
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 30 Aug 2022 03 Aug 2022 001-38112
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Jul 2022 20 Jul 2022 001-38112
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 01 Jul 2022 30 Jun 2022 000-20859
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 29 Jun 2022 28 Jun 2022 001-38112
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 16 Jun 2022 14 Jun 2022 000-50626
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 15 Jun 2022 13 Jun 2022 001-39279
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 11 May 2022 10 May 2022 000-20859
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Apr 2022 08 Apr 2022 001-38112
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 01 Apr 2022 31 Mar 2022 000-20859
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 03 Jan 2022 31 Dec 2021 000-20859
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 01 Oct 2021 30 Sep 2021 000-20859
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Aug 2021 03 Aug 2021 001-38112
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Jul 2021 30 Jun 2021 000-20859
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 17 Jun 2021 15 Jun 2021 000-50626
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Jun 2021 10 Jun 2021 001-39279
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 May 2021 11 May 2021 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Apr 2021 31 Mar 2021 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 Jan 2021 31 Dec 2020 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Oct 2020 30 Sep 2020 000-20859
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Aug 2020 05 Aug 2020 001-38112
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 12 Aug 2020 04 Aug 2020 001-38112
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jul 2020 30 Jun 2020 000-20859
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 29 Jun 2020 25 Jun 2020 000-50626
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Jun 2020 05 Jun 2020 000-20859
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 07 May 2020 07 May 2020 001-39279
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Apr 2020 31 Mar 2020 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jan 2020 31 Dec 2019 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Oct 2019 30 Sep 2019 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Jul 2019 28 Jun 2019 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 Jun 2019 06 Jun 2019 000-20859
4 Open 4 document View SEC filing for 4 FORM 4 31 May 2019 29 May 2019 000-50626
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Apr 2019 29 Mar 2019 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Mar 2019 15 Mar 2019 001-37568
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jan 2019 31 Dec 2018 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 Sep 2018 28 Sep 2018 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Sep 2018 13 Sep 2018 000-20859
4 Open 4 document View SEC filing for 4 FORM 4 10 Sep 2018 06 Sep 2018 000-50626
3 Open 3 document View SEC filing for 3 FORM 3 10 Sep 2018 06 Sep 2018 000-50626
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 Aug 2018 14 Aug 2018 001-37568
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jul 2018 29 Jun 2018 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Jun 2018 19 Jun 2018 001-37568
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 May 2018 15 May 2018 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Mar 2018 29 Mar 2018 000-20859
4 Open 4 document View SEC filing for 4 FORM 4 13 Feb 2018 13 Feb 2018 001-33609
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jan 2018 29 Dec 2017 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Oct 2017 29 Sep 2017 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Jun 2017 30 Jun 2017 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 Jun 2017 20 Jun 2017 001-37568
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 05 Jun 2017 01 Jun 2017 001-33609
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 May 2017 09 May 2017 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 Mar 2017 31 Mar 2017 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 Jun 2016 21 Jun 2016 001-37568
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 06 Jun 2016 02 Jun 2016 001-33609
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 May 2016 17 May 2016 000-20859
4 Open 4 document View SEC filing for 4 FORM 4 - 06 Jan 2016 04 Jan 2016 001-35969
4 Open 4 document View SEC filing for 4 FORM 4 08 Oct 2015 06 Oct 2015 001-37568
3 Open 3 document View SEC filing for 3 FORM 3 30 Sep 2015 30 Sep 2015 001-37568
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 02 Jun 2015 29 May 2015 001-33609
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 May 2015 18 May 2015 000-20859
4 Open 4 document View SEC filing for 4 FORM 4 - 13 Mar 2015 13 Mar 2015 001-35969
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 26 Jan 2015 23 Jan 2015 001-33609
3 Open 3 document View SEC filing for 3 FORM 3 26 Jan 2015 16 Jan 2015 001-33609
4 Open 4 document View SEC filing for 4 FORM 4 - 02 Jan 2015 02 Jan 2015 001-35969
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jan 2015 31 Dec 2014 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jul 2014 30 Jun 2014 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 May 2014 20 May 2014 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Apr 2014 31 Mar 2014 000-20859
4 Open 4 document View SEC filing for 4 FORM 4 - 14 Mar 2014 13 Mar 2014 001-35969
4 Open 4 document View SEC filing for 4 FORM 4 - 28 Feb 2014 27 Feb 2014 001-35969
3 Open 3 document View SEC filing for 3 3 03 Feb 2014 23 Jan 2014 001-35969
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jan 2014 31 Dec 2013 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Oct 2013 30 Sep 2013 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Jul 2013 17 Jul 2013 001-32626
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Jul 2013 09 Jul 2013 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Jul 2013 09 Jul 2013 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jul 2013 28 Jun 2013 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 May 2013 22 May 2013 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Apr 2013 29 Mar 2013 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Jan 2013 25 Jan 2013 001-32626
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jan 2013 31 Dec 2012 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Oct 2012 28 Sep 2012 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 May 2012 17 May 2012 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Feb 2012 17 Feb 2012 001-32626
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 03 Jan 2012 01 Jan 2012 001-33560
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 May 2011 20 May 2011 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 May 2011 11 May 2011 000-20859
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Apr 2011 01 Apr 2011 001-32626
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 04 Jan 2011 01 Jan 2011 001-33560
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Aug 2010 30 Jul 2010 001-32626
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 03 Aug 2010 30 Jul 2010 001-32626
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Jul 2010 09 Jul 2010 000-20859
4 Open 4 document View SEC filing for 4 FORM 4 25 May 2010 21 May 2010 001-33560
3 Open 3 document View SEC filing for 3 FORM 3 25 May 2010 21 May 2010 001-33560
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 21 May 2010 19 May 2010 000-20859

About this filer

Robert J. Spiegel files with the SEC under CIK 0001492256. 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.

Related pages