David H. Klein

Business address
300 Corporate Parkway Suite 214 N, Amherst, NY, 14226
Top holdings (ownership)
ctg
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David H. Klein has filed 42 SEC EDGAR filings since 14 Sep 2012

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing PRIMARY DOCUMENT 13 Dec 2023 13 Dec 2023 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 18 Sep 2023 15 Sep 2023 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 20 Jun 2023 16 Jun 2023 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 20 Mar 2023 17 Mar 2023 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 19 Dec 2022 16 Dec 2022 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 20 Sep 2022 16 Sep 2022 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 21 Jun 2022 17 Jun 2022 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 22 Mar 2022 18 Mar 2022 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 17 Dec 2021 16 Dec 2021 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 17 Sep 2021 16 Sep 2021 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 21 Jun 2021 17 Jun 2021 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 26 Mar 2021 24 Mar 2021 001-09410
3 Open Document Open Filing OWNERSHIP DOCUMENT 26 Jan 2021 26 Jan 2021 001-39947
4/A Open Document Open Filing PRIMARY DOCUMENT 16 Nov 2020 13 Nov 2020 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 13 Nov 2020 13 Nov 2020 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 07 Jan 2020 03 Jan 2020 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 03 Jan 2019 02 Jan 2019 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 03 May 2018 01 May 2018 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 04 Jan 2018 03 Jan 2018 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 05 Oct 2017 04 Oct 2017 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 06 Jul 2017 05 Jul 2017 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 05 May 2017 03 May 2017 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 09 Jan 2017 06 Jan 2017 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 11 Oct 2016 07 Oct 2016 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 04 Oct 2016 01 Oct 2016 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 08 Jul 2016 06 Jul 2016 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 05 Jul 2016 01 Jul 2016 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 05 May 2016 04 May 2016 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 07 Apr 2016 06 Apr 2016 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 08 Jan 2016 06 Jan 2016 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 05 Jan 2016 01 Jan 2016 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 09 Oct 2015 07 Oct 2015 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 02 Oct 2015 01 Oct 2015 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 07 Jul 2015 06 Jul 2015 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 07 May 2015 06 May 2015 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 03 Apr 2015 01 Apr 2015 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 05 Jan 2015 01 Jan 2015 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 02 Oct 2014 01 Oct 2014 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 02 Jul 2014 01 Jul 2014 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 08 May 2014 07 May 2014 001-09410
4 Open Document Open Filing PRIMARY DOCUMENT 09 May 2013 08 May 2013 001-09410
3 Open Document Open Filing PRIMARY DOCUMENT 14 Sep 2012 11 Sep 2012 001-09410