Mark D. Klein

Business address
21255 Burbank Boulevard, Suite 400, Woodland Hills, CA, 91367
Top holdings (ownership)
SSSS
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Mark D. Klein has filed 100 SEC EDGAR filings since 01 Apr 2005

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 4 16 Dec 2025 10 Dec 2025 814-00852
4 Open Document Open Filing 25 Nov 2025 21 Nov 2025 814-00852
4 Open Document Open Filing 4 12 Aug 2025 11 Aug 2025 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 19 May 2025 16 May 2025 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 09 May 2025 09 May 2025 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 12 Feb 2025 10 Feb 2025 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 18 Dec 2024 16 Dec 2024 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 12 Dec 2024 10 Dec 2024 814-00852
SC 13D Open Document Open Filing SC 13D 04 Dec 2024
4 Open Document Open Filing OWNERSHIP DOCUMENT 04 Dec 2024 02 Dec 2024 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 29 Nov 2024 26 Nov 2024 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 20 Aug 2024 20 Aug 2024 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 13 Feb 2024 09 Feb 2024 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 15 Dec 2023 15 Dec 2023 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 13 Dec 2023 11 Dec 2023 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 06 Dec 2023 06 Dec 2023 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 05 Dec 2023 01 Dec 2023 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 30 Nov 2023 28 Nov 2023 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 17 Nov 2023 17 Nov 2023 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 13 Feb 2023 09 Feb 2023 814-00852
4/A Open Document Open Filing OWNERSHIP DOCUMENT 13 Jan 2023 09 Feb 2022 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 13 Dec 2022 12 Dec 2022 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 08 Dec 2022 07 Dec 2022 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 07 Dec 2022 05 Dec 2022 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 14 Nov 2022 11 Nov 2022 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 14 Feb 2022 09 Feb 2022 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 03 Jan 2022 30 Dec 2021 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 14 Dec 2021 10 Dec 2021 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 04 Oct 2021 30 Sep 2021 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 09 Aug 2021 09 Aug 2021 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 01 Jul 2021 30 Jun 2021 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 11 May 2021 10 May 2021 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 12 Feb 2021 10 Feb 2021 814-00852
3 Open Document Open Filing OWNERSHIP DOCUMENT 11 Feb 2021 11 Feb 2021 001-40052
3 Open Document Open Filing OWNERSHIP DOCUMENT 11 Feb 2021 11 Feb 2021 001-40051
3 Open Document Open Filing OWNERSHIP DOCUMENT 15 Dec 2020 15 Dec 2020 001-39806
4 Open Document Open Filing OWNERSHIP DOCUMENT 03 Dec 2020 02 Dec 2020 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 18 Nov 2020 18 Nov 2020 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 17 Nov 2020 16 Nov 2020 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 12 Nov 2020 10 Nov 2020 814-00852
4 Open Document Open Filing FORM 4 08 Oct 2020 06 Oct 2020 001-39228
3 Open Document Open Filing OWNERSHIP DOCUMENT 29 Jul 2020 29 Jul 2020 001-39408
4 Open Document Open Filing OWNERSHIP DOCUMENT 14 May 2020 14 May 2020 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 13 May 2020 13 May 2020 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 30 Apr 2020 28 Apr 2020 814-00852
3 Open Document Open Filing OWNERSHIP DOCUMENT 19 Feb 2020 19 Feb 2020 001-39228
4 Open Document Open Filing OWNERSHIP DOCUMENT 09 Jan 2020 08 Jan 2020 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 19 Jul 2019 17 Jul 2019 814-00852
3 Open Document Open Filing OWNERSHIP DOCUMENT 26 Jun 2019 26 Jun 2019 001-38960
4 Open Document Open Filing OWNERSHIP DOCUMENT 17 Jun 2019 17 Jun 2019 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 11 Jun 2019 10 Jun 2019 814-00852
4 Open Document Open Filing FORM 4 28 Sep 2017 27 Sep 2017 814-00852
4 Open Document Open Filing FORM 4 21 Sep 2017 20 Sep 2017 814-00852
4 Open Document Open Filing FORM 4 14 Sep 2017 13 Sep 2017 814-00852
4 Open Document Open Filing FORM 4 07 Sep 2017 06 Sep 2017 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 31 Aug 2017 30 Aug 2017 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 03 Nov 2016 01 Nov 2016 001-37360
SC 13D/A Open Document Open Filing SC 13D/A 25 Aug 2016
4 Open Document Open Filing OWNERSHIP DOCUMENT 01 Aug 2016 01 Aug 2016 814-00852
SC 13D/A Open Document Open Filing SC 13D/A 26 Jul 2016
4 Open Document Open Filing OWNERSHIP DOCUMENT 05 Jul 2016 01 Jul 2016 814-00852
SC 13D/A Open Document Open Filing SCHEDULE 13D AMENDMENT 07 Jun 2016
4 Open Document Open Filing OWNERSHIP DOCUMENT 17 May 2016 17 May 2016 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 16 May 2016 16 May 2016 814-00852
SC 13D Open Document Open Filing SCHEDULE 13D 05 May 2016
4 Open Document Open Filing OWNERSHIP DOCUMENT 04 May 2016 02 May 2016 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 11 Apr 2016 07 Apr 2016 001-37360
4 Open Document Open Filing OWNERSHIP DOCUMENT 04 Apr 2016 01 Apr 2016 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 23 Mar 2016 22 Mar 2016 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 22 Mar 2016 18 Mar 2016 814-00852
3 Open Document Open Filing OWNERSHIP DOCUMENT 10 Dec 2015 30 Nov 2015 001-12629
4 Open Document Open Filing OWNERSHIP DOCUMENT 18 Nov 2015 17 Nov 2015 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 24 Aug 2015 21 Aug 2015 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 21 Aug 2015 20 Aug 2015 001-37360
4 Open Document Open Filing OWNERSHIP DOCUMENT 11 Aug 2015 11 Aug 2015 814-00852
4 Open Document Open Filing OWNERSHIP DOCUMENT 06 May 2015 04 May 2015 001-37360
3 Open Document Open Filing OWNERSHIP DOCUMENT 29 Apr 2015 28 Apr 2015 001-37360
4 Open Document Open Filing OWNERSHIP DOCUMENT 03 Sep 2014 02 Sep 2014 814-00852