Gerhard F. Burbach

Business address
C/O Thoratec Corporation, 6035 Stoneridge Drive, Pleasanton, CA, 94588
Top holdings (ownership)
LAB and SGHT
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Gerhard F. Burbach has filed 122 SEC EDGAR filings since 29 Oct 2004

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing FORM 4 12 Dec 2025 10 Dec 2025 001-34658
4 Open Document Open Filing FORM 4 08 Sep 2025 05 Sep 2025 001-34658
4 Open Document Open Filing FORM 4 09 Jun 2025 05 Jun 2025 001-34658
4 Open Document Open Filing 4 14 May 2025 12 May 2025 001-40587
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 06 May 2025 02 May 2025 001-34658
3 Open Document Open Filing 3 23 Apr 2025 21 Apr 2025 001-40587
4 Open Document Open Filing FORM 4 01 Apr 2025 28 Mar 2025 001-34658
4 Open Document Open Filing FORM 4 12 Dec 2024 10 Dec 2024 001-34658
4 Open Document Open Filing FORM 4 09 Sep 2024 05 Sep 2024 001-34658
4 Open Document Open Filing FORM 4 10 Jun 2024 06 Jun 2024 001-34658
4 Open Document Open Filing FORM 4 07 May 2024 03 May 2024 001-34658
4 Open Document Open Filing FORM 4 01 Apr 2024 28 Mar 2024 001-34658
4 Open Document Open Filing FORM 4 07 Mar 2024 06 Mar 2024 001-34658
144 Open Document Open Filing 06 Mar 2024
4 Open Document Open Filing FORM 4 13 Dec 2023 12 Dec 2023 001-34658
4 Open Document Open Filing FORM 4 11 Sep 2023 07 Sep 2023 001-34658
144 Open Document Open Filing 23 Aug 2023
144 Open Document Open Filing 17 Aug 2023
4 Open Document Open Filing FORM 4 15 Aug 2023 14 Aug 2023 001-34658
144 Open Document Open Filing 14 Aug 2023
4 Open Document Open Filing FORM 4 12 Jun 2023 08 Jun 2023 001-34658
4 Open Document Open Filing FORM 4 05 May 2023 03 May 2023 001-34658
4 Open Document Open Filing FORM 4 29 Mar 2023 28 Mar 2023 001-34658
4 Open Document Open Filing FORM 4 15 Dec 2022 13 Dec 2022 001-34658
4 Open Document Open Filing FORM 4 09 Sep 2022 08 Sep 2022 001-34658
4 Open Document Open Filing FORM 4 17 Jun 2022 15 Jun 2022 001-34180
4 Open Document Open Filing FORM 4 09 Jun 2022 08 Jun 2022 001-34658
4 Open Document Open Filing FORM 4 05 May 2022 03 May 2022 001-34658
4 Open Document Open Filing FORM 4 30 Mar 2022 29 Mar 2022 001-34658
4 Open Document Open Filing FORM 4 14 Dec 2021 10 Dec 2021 001-34658
4 Open Document Open Filing FORM 4 10 Sep 2021 08 Sep 2021 001-34658
4 Open Document Open Filing FORM 4 11 Jun 2021 09 Jun 2021 001-34658
4 Open Document Open Filing FORM 4 27 May 2021 25 May 2021 001-34180
4 Open Document Open Filing FORM 4 03 May 2021 30 Apr 2021 001-34658
4 Open Document Open Filing FORM 4 29 Mar 2021 26 Mar 2021 001-34658
4 Open Document Open Filing FORM 4 14 Dec 2020 10 Dec 2020 001-34658
4 Open Document Open Filing FORM 4 09 Sep 2020 08 Sep 2020 001-34658
4 Open Document Open Filing FORM 4 25 Jun 2020 23 Jun 2020 001-34180
4 Open Document Open Filing FORM 4 09 Jun 2020 08 Jun 2020 001-34658
4 Open Document Open Filing FORM 4 11 May 2020 07 May 2020 001-34658
4 Open Document Open Filing FORM 4 27 Mar 2020 26 Mar 2020 001-34658
4 Open Document Open Filing FORM 4 17 Dec 2019 13 Dec 2019 001-34658
4 Open Document Open Filing FORM 4 10 Sep 2019 06 Sep 2019 001-34658
4 Open Document Open Filing FORM 4 07 Jun 2019 06 Jun 2019 001-34658
4 Open Document Open Filing FORM 4 05 Jun 2019 03 Jun 2019 001-34180
4 Open Document Open Filing FORM 4 15 May 2019 14 May 2019 001-34658
4 Open Document Open Filing FORM 4 01 Apr 2019 28 Mar 2019 001-34658
4 Open Document Open Filing FORM 4 17 Dec 2018 13 Dec 2018 001-34658
4 Open Document Open Filing FORM 4 11 Sep 2018 07 Sep 2018 001-34658
4 Open Document Open Filing FORM 4 13 Aug 2018 09 Aug 2018 001-34658
3 Open Document Open Filing FORM 3 09 Aug 2018 09 Aug 2018 001-34658
4 Open Document Open Filing FORM 4 01 Jun 2018 30 May 2018 001-34180
4 Open Document Open Filing FORM 4 15 Feb 2018 13 Feb 2018 001-34180
4 Open Document Open Filing FORM 4 03 Jan 2018 31 Dec 2017 001-34180
4 Open Document Open Filing FORM 4 02 Oct 2017 30 Sep 2017 001-34180
4 Open Document Open Filing FORM 4 14 Sep 2017 13 Sep 2017 001-34180
4 Open Document Open Filing FORM 4 10 Aug 2017 08 Aug 2017 001-34180
4 Open Document Open Filing FORM 4 02 Aug 2017 31 Jul 2017 001-34180
4 Open Document Open Filing FORM 4 04 Aug 2016 03 Aug 2016 001-34180
4 Open Document Open Filing FORM 4 31 Jul 2015 29 Jul 2015 001-34180
4 Open Document Open Filing FORM 4 23 May 2014 21 May 2014 001-34180
4 Open Document Open Filing FORM 4 17 Mar 2014 17 Mar 2014 000-49798
4 Open Document Open Filing FORM 4 11 Mar 2014 07 Mar 2014 000-49798
4 Open Document Open Filing FORM 4 03 Mar 2014 27 Feb 2014 000-49798
4 Open Document Open Filing FORM 4 14 Feb 2014 12 Feb 2014 000-49798
4 Open Document Open Filing FORM 4 11 Feb 2014 10 Feb 2014 000-49798
4 Open Document Open Filing FORM 4 17 Jan 2014 15 Jan 2014 000-49798
4 Open Document Open Filing FORM 4 14 Jan 2014 10 Jan 2014 000-49798
4 Open Document Open Filing FORM 4 12 Dec 2013 10 Dec 2013 000-49798
4 Open Document Open Filing FORM 4 18 Nov 2013 14 Nov 2013 000-49798
4 Open Document Open Filing FORM 4 13 Nov 2013 11 Nov 2013 000-49798
4 Open Document Open Filing FORM 4 04 Nov 2013 31 Oct 2013 000-49798
4 Open Document Open Filing FORM 4 29 Oct 2013 25 Oct 2013 000-49798
4 Open Document Open Filing FORM 4 17 Oct 2013 16 Oct 2013 000-49798
4 Open Document Open Filing FORM 4 15 Oct 2013 10 Oct 2013 000-49798
4 Open Document Open Filing FORM 4 10 Jun 2013 06 Jun 2013 001-34180
4 Open Document Open Filing FORM 4 11 Mar 2013 07 Mar 2013 000-49798
4 Open Document Open Filing FORM 4 05 Mar 2013 01 Mar 2013 000-49798
4 Open Document Open Filing FORM 4 27 Feb 2013 25 Feb 2013 000-49798
4 Open Document Open Filing FORM 4 14 Jan 2013 10 Jan 2013 001-34180
3 Open Document Open Filing FORM 3 14 Jan 2013 10 Jan 2013 001-34180
4 Open Document Open Filing FORM 4 27 Nov 2012 23 Nov 2012 000-49798
4 Open Document Open Filing FORM 4 06 Nov 2012 02 Nov 2012 000-49798
4 Open Document Open Filing FORM 4 19 Jul 2012 17 Jul 2012 000-49798
4 Open Document Open Filing FORM 4 05 Jul 2012 02 Jul 2012 000-49798
4 Open Document Open Filing FORM 4 22 May 2012 18 May 2012 000-50789
4 Open Document Open Filing FORM 4 07 May 2012 03 May 2012 000-49798
4 Open Document Open Filing FORM 4 12 Mar 2012 09 Mar 2012 000-49798
4 Open Document Open Filing FORM 4 05 Mar 2012 01 Mar 2012 000-49798
4 Open Document Open Filing FORM 4 29 Feb 2012 27 Feb 2012 000-49798