Karin L. Walker

Business address
C/O Prothena Corporation Plc, 650 Gateway Boulevard, South San Francisco, CA, 94080
Top holdings (ownership)
PRTA and CYCC
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Karin L. Walker has filed 65 SEC EDGAR filings since 03 Oct 2012

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 30 Jul 2025 28 Jul 2025 001-35676
4 Open Document Open Filing 07 Mar 2025 05 Mar 2025 001-35676
4 Open Document Open Filing 29 Feb 2024 27 Feb 2024 001-35676
4 Open Document Open Filing 24 Jan 2024 24 Jan 2024 001-35676
144 Open Document Open Filing 24 Jan 2024
4 Open Document Open Filing 20 Dec 2023 20 Dec 2023 001-35676
144 Open Document Open Filing 20 Dec 2023
4 Open Document Open Filing 30 Nov 2023 30 Nov 2023 001-35676
144 Open Document Open Filing 30 Nov 2023
4 Open Document Open Filing 25 Oct 2023 25 Oct 2023 001-35676
144 Open Document Open Filing 25 Oct 2023
4 Open Document Open Filing 19 Sep 2023 19 Sep 2023 001-35676
144 Open Document Open Filing 19 Sep 2023
4 Open Document Open Filing 18 Aug 2023 18 Aug 2023 001-35676
144 Open Document Open Filing 18 Aug 2023
4 Open Document Open Filing 19 Jul 2023 19 Jul 2023 001-35676
144 Open Document Open Filing 19 Jul 2023
4 Open Document Open Filing OWNERSHIP DOCUMENT 03 Jul 2023 30 Jun 2023 000-50626
4 Open Document Open Filing 20 Jun 2023 20 Jun 2023 001-35676
144 Open Document Open Filing 20 Jun 2023
4 Open Document Open Filing 19 May 2023 19 May 2023 001-35676
144 Open Document Open Filing 19 May 2023
4 Open Document Open Filing 21 Apr 2023 19 Apr 2023 001-35676
144 Open Document Open Filing 19 Apr 2023
4 Open Document Open Filing 22 Mar 2023 20 Mar 2023 001-35676
4 Open Document Open Filing FORM 4 17 Mar 2023 15 Mar 2023 001-35676
4 Open Document Open Filing 03 Mar 2023 02 Mar 2023 001-35676
4 Open Document Open Filing FORM 4 18 Nov 2022 18 Nov 2022 001-35676
4 Open Document Open Filing FORM 4 26 Oct 2022 24 Oct 2022 001-35676
4 Open Document Open Filing OWNERSHIP DOCUMENT 16 Jun 2022 14 Jun 2022 000-50626
4 Open Document Open Filing FORM 4 25 Feb 2022 23 Feb 2022 001-35676
4 Open Document Open Filing FORM 4 26 Nov 2021 23 Nov 2021 001-35676
4 Open Document Open Filing FORM 4 22 Oct 2021 20 Oct 2021 001-35676
4 Open Document Open Filing OWNERSHIP DOCUMENT 17 Jun 2021 15 Jun 2021 000-50626
4 Open Document Open Filing FORM 4 26 Feb 2021 25 Feb 2021 001-35676
4 Open Document Open Filing FORM 4 17 Feb 2021 12 Feb 2021 001-35676
4 Open Document Open Filing OWNERSHIP DOCUMENT 12 Nov 2020 09 Nov 2020 000-50626
3 Open Document Open Filing OWNERSHIP DOCUMENT 12 Nov 2020 09 Nov 2020 000-50626
3 Open Document Open Filing OWNERSHIP DOCUMENT 09 Mar 2020 05 Mar 2020 001-39244
4 Open Document Open Filing FORM 4 27 Feb 2020 25 Feb 2020 001-35676
4 Open Document Open Filing FORM 4 SUBMISSION 01 Mar 2019 27 Feb 2019 001-35676
4 Open Document Open Filing FORM 4 SUBMISSION 25 Jun 2018 21 Jun 2018 001-35676
4 Open Document Open Filing FORM 4 SUBMISSION 23 Feb 2018 21 Feb 2018 001-35676
4 Open Document Open Filing FORM 4 SUBMISSION 29 Sep 2017 28 Sep 2017 001-35676
4 Open Document Open Filing FORM 4 SUBMISSION 19 Jul 2017 17 Jul 2017 001-35676
4 Open Document Open Filing FORM 4 SUBMISSION 19 Apr 2017 17 Apr 2017 001-35676
4 Open Document Open Filing FORM 4 SUBMISSION 24 Feb 2017 22 Feb 2017 001-35676
4 Open Document Open Filing FORM 4 SUBMISSION 14 Oct 2016 13 Oct 2016 001-35676
4 Open Document Open Filing FORM 4 SUBMISSION 21 Sep 2016 19 Sep 2016 001-35676
4 Open Document Open Filing FORM 4 SUBMISSION 15 Apr 2016 13 Apr 2016 001-35676
4 Open Document Open Filing FORM 4 SUBMISSION 26 Feb 2016 24 Feb 2016 001-35676
4 Open Document Open Filing FORM 4 SUBMISSION 15 Jan 2016 13 Jan 2016 001-35676
4 Open Document Open Filing FORM 4 SUBMISSION 14 Aug 2015 12 Aug 2015 001-35676
4 Open Document Open Filing FORM 4 SUBMISSION 12 Mar 2015 11 Mar 2015 001-35676
4 Open Document Open Filing FORM 4 SUBMISSION 12 Feb 2015 10 Feb 2015 001-35676
4 Open Document Open Filing FORM 4 SUBMISSION 11 Dec 2014 09 Dec 2014 001-35676
4/A Open Document Open Filing FORM 4/A SUBMISSION 23 Oct 2014 16 Oct 2014 001-35676
4 Open Document Open Filing FORM 4 SUBMISSION 20 Oct 2014 16 Oct 2014 001-35676
4 Open Document Open Filing FORM 4 SUBMISSION 13 Aug 2014 12 Aug 2014 001-35676
4 Open Document Open Filing FORM 4 SUBMISSION 06 Jun 2014 06 Jun 2014 001-35676
4 Open Document Open Filing FORM 4 06 Feb 2014 04 Feb 2014 001-35676
4 Open Document Open Filing FORM 4 05 Jun 2013 03 Jun 2013 001-35676
3 Open Document Open Filing FORM 3 22 May 2013 22 May 2013 001-35676
4 Open Document Open Filing FORM 4 - 03 Oct 2012 02 Oct 2012 001-33213
3 Open Document Open Filing FORM 3 - 03 Oct 2012 01 Oct 2012 001-33213