Kenneth Myszkowski

Business address
Arrowhead Research Corporation, 201 South Lake Avenue, Suite 703, Pasadena, CA, 91101
Top holdings (ownership)
ARWR
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Kenneth Myszkowski has filed 60 SEC EDGAR filings since 15 Apr 2010

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
144 Open Document Open Filing 10 Jul 2025
4 Open Document Open Filing FORM 4 07 Jan 2025 04 Jan 2025 001-38042
144 Open Document Open Filing 07 Jan 2025
144 Open Document Open Filing 07 Jan 2025
144 Open Document Open Filing 06 Jan 2025
144 Open Document Open Filing 06 Jan 2025
144 Open Document Open Filing 06 Jan 2025
144 Open Document Open Filing 06 Jan 2025
4 Open Document Open Filing FORM 4 08 Mar 2024 06 Mar 2024 001-38042
144 Open Document Open Filing 06 Mar 2024
4 Open Document Open Filing FORM 4 08 Jan 2024 04 Jan 2024 001-38042
144 Open Document Open Filing 05 Jan 2024
4 Open Document Open Filing FORM 4 29 Jun 2023 27 Jun 2023 001-38042
144 Open Document Open Filing 27 Jun 2023
4 Open Document Open Filing FORM 4 SUBMISSION 05 Jan 2023 04 Jan 2023 001-38042
4 Open Document Open Filing FORM 4 SUBMISSION 30 Dec 2022 29 Dec 2022 001-38042
5 Open Document Open Filing FORM 5 SUBMISSION 30 Sep 2022 30 Sep 2022 001-38042
4 Open Document Open Filing FORM 4 SUBMISSION 06 Jan 2022 05 Jan 2022 001-38042
4 Open Document Open Filing FORM 4 SUBMISSION 04 Jan 2022 01 Jan 2022 001-38042
4 Open Document Open Filing FORM 4 SUBMISSION 12 Jan 2021 11 Jan 2021 001-38042
4 Open Document Open Filing FORM 4 SUBMISSION 07 Jan 2021 06 Jan 2021 001-38042
4 Open Document Open Filing FORM 4 SUBMISSION 05 Jan 2021 01 Jan 2021 001-38042
4 Open Document Open Filing FORM 4 SUBMISSION 12 Nov 2020 09 Nov 2020 001-38042
4 Open Document Open Filing FORM 4 SUBMISSION 22 Oct 2020 20 Oct 2020 001-38042
4 Open Document Open Filing FORM 4 SUBMISSION 27 Feb 2020 25 Feb 2020 001-38042
4 Open Document Open Filing FORM 4 SUBMISSION 23 Jan 2020 21 Jan 2020 001-38042
4 Open Document Open Filing FORM 4 SUBMISSION 08 Jan 2020 06 Jan 2020 001-38042
4 Open Document Open Filing FORM 4 SUBMISSION 03 Jan 2020 01 Jan 2020 001-38042
4 Open Document Open Filing FORM 4 SUBMISSION 07 Nov 2019 05 Nov 2019 001-38042
4 Open Document Open Filing FORM 4 SUBMISSION 01 Nov 2019 01 Nov 2019 001-38042
4 Open Document Open Filing FORM 4 SUBMISSION 03 Jun 2019 31 May 2019 001-38042
4 Open Document Open Filing FORM 4 SUBMISSION 22 May 2019 21 May 2019 001-38042
4 Open Document Open Filing FORM 4 SUBMISSION 20 Feb 2019 19 Feb 2019 001-38042
4 Open Document Open Filing FORM 4 SUBMISSION 18 Jan 2019 17 Jan 2019 001-38042
4 Open Document Open Filing FORM 4 SUBMISSION 03 Jan 2019 01 Jan 2019 001-38042
4 Open Document Open Filing FORM 4 SUBMISSION 10 Sep 2018 06 Sep 2018 001-38042
4 Open Document Open Filing FORM 4 SUBMISSION 20 Jun 2018 19 Jun 2018 001-38042
4 Open Document Open Filing FORM 4 SUBMISSION 01 Jun 2018 30 May 2018 001-38042
4 Open Document Open Filing FORM 4 SUBMISSION 27 Mar 2018 27 Mar 2018 001-38042
4 Open Document Open Filing FORM 4 SUBMISSION 05 Mar 2018 05 Mar 2018 001-38042
4 Open Document Open Filing FORM 4 SUBMISSION 03 Jan 2018 01 Jan 2018 001-38042
5 Open Document Open Filing FORM 5 SUBMISSION 06 Oct 2017 30 Sep 2017 001-38042
4 Open Document Open Filing FORM 4 SUBMISSION 04 Jan 2017 01 Jan 2017 000-21898
4/A Open Document Open Filing FORM 4/A SUBMISSION 26 Aug 2016 22 Aug 2016 000-21898
4 Open Document Open Filing FORM 4 SUBMISSION 24 Aug 2016 22 Aug 2016 000-21898
4 Open Document Open Filing FORM 4 SUBMISSION 08 Mar 2016 04 Mar 2016 000-21898
4 Open Document Open Filing FORM 4 SUBMISSION 09 Feb 2016 06 Feb 2016 000-21898
4 Open Document Open Filing FORM 4 SUBMISSION 04 Jan 2016 30 Dec 2015 000-21898
4 Open Document Open Filing RSU/STOCK OPTION GRANT 06 Mar 2015 04 Mar 2015 000-21898
4 Open Document Open Filing OPTION EXERCISE AND SALE 19 Aug 2014 15 Aug 2014 000-21898
4 Open Document Open Filing OPTION EXERCISE 12 Feb 2014 12 Feb 2014 000-21898
4 Open Document Open Filing RSU AND STOCK OPTION GRANT 10 Feb 2014 06 Feb 2014 000-21898