Karin L. Walker SEC EDGAR Filings (CIK 0001559422)

SEC EDGAR filings, ownership reports, and insider transactions for 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

Recent SEC filings for Karin L. Walker including 4, 144, 3 and more.

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

About this filer

Karin L. Walker files with the SEC under CIK 0001559422. 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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