JONATHAN JAY MAZELSKY

Business address
One Idexx Drive, Westbrook, ME, 04092
Top holdings (ownership)
IDXX and XRAY
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JONATHAN JAY MAZELSKY has filed 86 SEC EDGAR filings since 16 Aug 2012

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing PRIMARY DOCUMENT 15 Oct 2025 10 Oct 2025 000-16211
4 Open Document Open Filing PRIMARY DOCUMENT 01 Oct 2025 30 Sep 2025 000-16211
4 Open Document Open Filing FORM 4 04 Sep 2025 15 Aug 2025 000-19271
4 Open Document Open Filing FORM 4 12 Aug 2025 08 Aug 2025 000-19271
4 Open Document Open Filing FORM 4 08 Aug 2025 06 Aug 2025 000-19271
144 Open Document Open Filing 06 Aug 2025
4 Open Document Open Filing PRIMARY DOCUMENT 15 Jul 2025 11 Jul 2025 000-16211
4 Open Document Open Filing PRIMARY DOCUMENT 02 Jul 2025 30 Jun 2025 000-16211
4 Open Document Open Filing PRIMARY DOCUMENT 27 May 2025 22 May 2025 000-16211
4 Open Document Open Filing PRIMARY DOCUMENT 15 Apr 2025 11 Apr 2025 000-16211
4 Open Document Open Filing PRIMARY DOCUMENT 02 Apr 2025 31 Mar 2025 000-16211
4 Open Document Open Filing FORM 4 18 Feb 2025 13 Feb 2025 000-19271
4 Open Document Open Filing PRIMARY DOCUMENT 14 Jan 2025 10 Jan 2025 000-16211
4 Open Document Open Filing PRIMARY DOCUMENT 02 Jan 2025 30 Dec 2024 000-16211
4 Open Document Open Filing PRIMARY DOCUMENT 15 Oct 2024 11 Oct 2024 000-16211
4 Open Document Open Filing PRIMARY DOCUMENT 01 Oct 2024 30 Sep 2024 000-16211
4 Open Document Open Filing FORM 4 07 Aug 2024 05 Aug 2024 000-19271
4 Open Document Open Filing PRIMARY DOCUMENT 15 Jul 2024 12 Jul 2024 000-16211
4 Open Document Open Filing PRIMARY DOCUMENT 01 Jul 2024 28 Jun 2024 000-16211
4 Open Document Open Filing PRIMARY DOCUMENT 24 May 2024 23 May 2024 000-16211
4 Open Document Open Filing PRIMARY DOCUMENT 15 Apr 2024 12 Apr 2024 000-16211
4 Open Document Open Filing PRIMARY DOCUMENT 29 Mar 2024 28 Mar 2024 000-16211
4 Open Document Open Filing FORM 4 04 Mar 2024 29 Feb 2024 000-19271
4 Open Document Open Filing FORM 4 22 Feb 2024 21 Feb 2024 000-19271
4 Open Document Open Filing FORM 4 16 Feb 2024 14 Feb 2024 000-19271
4 Open Document Open Filing FORM 4 09 Feb 2024 07 Feb 2024 000-19271
144 Open Document Open Filing 07 Feb 2024
4 Open Document Open Filing PRIMARY DOCUMENT 16 Jan 2024 12 Jan 2024 000-16211
4 Open Document Open Filing PRIMARY DOCUMENT 02 Jan 2024 29 Dec 2023 000-16211
4 Open Document Open Filing FORM 4 06 Dec 2023 04 Dec 2023 000-19271
144 Open Document Open Filing 04 Dec 2023
4 Open Document Open Filing PRIMARY DOCUMENT 16 Oct 2023 13 Oct 2023 000-16211
4 Open Document Open Filing PRIMARY DOCUMENT 02 Oct 2023 29 Sep 2023 000-16211
4 Open Document Open Filing FORM 4 05 Sep 2023 31 Aug 2023 000-19271
144 Open Document Open Filing 31 Aug 2023
4 Open Document Open Filing FORM 4 08 Aug 2023 05 Aug 2023 000-19271
4 Open Document Open Filing PRIMARY DOCUMENT 17 Jul 2023 14 Jul 2023 000-16211
4 Open Document Open Filing PRIMARY DOCUMENT 29 Jun 2023 28 Jun 2023 000-16211
4 Open Document Open Filing PRIMARY DOCUMENT 26 May 2023 25 May 2023 000-16211
3 Open Document Open Filing PRIMARY DOCUMENT 24 May 2023 24 May 2023 000-16211
4 Open Document Open Filing FORM 4 19 May 2023 18 May 2023 000-19271
4 Open Document Open Filing FORM 4 05 May 2023 04 May 2023 000-19271
4 Open Document Open Filing FORM 4 16 Feb 2023 14 Feb 2023 000-19271
4 Open Document Open Filing FORM 4 10 Feb 2023 08 Feb 2023 000-19271
4 Open Document Open Filing FORM 4 16 Nov 2022 14 Nov 2022 000-19271
4 Open Document Open Filing FORM 4 09 Nov 2022 07 Nov 2022 000-19271
4 Open Document Open Filing FORM 4 08 Aug 2022 05 Aug 2022 000-19271
4 Open Document Open Filing FORM 4 23 May 2022 20 May 2022 000-19271
4 Open Document Open Filing FORM 4 07 Mar 2022 04 Mar 2022 000-19271
4 Open Document Open Filing FORM 4 16 Feb 2022 14 Feb 2022 000-19271
4 Open Document Open Filing FORM 4 17 Aug 2021 13 Aug 2021 000-19271
4 Open Document Open Filing FORM 4 09 Aug 2021 05 Aug 2021 000-19271
4 Open Document Open Filing FORM 4 20 May 2021 18 May 2021 000-19271
4 Open Document Open Filing FORM 4 24 Feb 2021 22 Feb 2021 000-19271
4 Open Document Open Filing FORM 4 19 Feb 2021 17 Feb 2021 000-19271
4 Open Document Open Filing FORM 4 17 Feb 2021 14 Feb 2021 000-19271
4 Open Document Open Filing FORM 4 09 Nov 2020 05 Nov 2020 000-19271
4 Open Document Open Filing PRIMARY DOCUMENT 07 Aug 2020 05 Aug 2020 000-19271
4 Open Document Open Filing FORM 4 19 Feb 2020 14 Feb 2020 000-19271
4 Open Document Open Filing FORM 4 07 Feb 2020 05 Feb 2020 000-19271
4 Open Document Open Filing FORM 4 16 Jan 2020 15 Jan 2020 000-19271
4 Open Document Open Filing FORM 4 05 Nov 2019 04 Nov 2019 000-19271
4 Open Document Open Filing FORM 4 09 Aug 2019 08 Aug 2019 000-19271
4 Open Document Open Filing FORM 4 07 Aug 2019 05 Aug 2019 000-19271
4 Open Document Open Filing FORM 4 19 Feb 2019 14 Feb 2019 000-19271
4 Open Document Open Filing FORM 4 07 Dec 2018 05 Dec 2018 000-19271
4 Open Document Open Filing FORM 4 16 Feb 2018 14 Feb 2018 000-19271
4 Open Document Open Filing FORM 4 07 Dec 2017 05 Dec 2017 000-19271
4 Open Document Open Filing FORM 4 06 Sep 2017 01 Sep 2017 000-19271
4 Open Document Open Filing FORM 4 16 Feb 2017 14 Feb 2017 000-19271
4 Open Document Open Filing FORM 4 07 Dec 2016 05 Dec 2016 000-19271
4 Open Document Open Filing FORM 4 21 Nov 2016 18 Nov 2016 000-19271
4 Open Document Open Filing FORM 4 02 Sep 2016 01 Sep 2016 000-19271
4 Open Document Open Filing FORM 4 SUBMISSION 17 Feb 2016 14 Feb 2016 000-19271
4 Open Document Open Filing FORM 4 SUBMISSION 08 Dec 2015 05 Dec 2015 000-19271
4 Open Document Open Filing FORM 4 SUBMISSION 03 Sep 2015 01 Sep 2015 000-19271
4 Open Document Open Filing FORM 4 18 Feb 2015 14 Feb 2015 000-19271
4 Open Document Open Filing FORM 4 29 Dec 2014 23 Dec 2014 000-19271
4 Open Document Open Filing FORM 4 09 Dec 2014 05 Dec 2014 000-19271
4 Open Document Open Filing FORM 4 03 Sep 2014 01 Sep 2014 000-19271
4 Open Document Open Filing FORM 4 19 Feb 2014 14 Feb 2014 000-19271