A. Mark Zeffiro

Business address
2600 W. Big Beaver Road, Suite 555, Troy, MI, 48084
Top holdings (ownership)
ATKR
⭐ Add to watchlist ⭐
Get insider transactions for this reporting owner
A. Mark Zeffiro has filed 65 SEC EDGAR filings since 25 Sep 2008

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing FORM 4 19 Dec 2025 17 Dec 2025 001-37793
4 Open Document Open Filing FORM 4 03 Sep 2025 29 Aug 2025 001-37793
4 Open Document Open Filing FORM 4 30 May 2025 28 May 2025 001-37793
4 Open Document Open Filing FORM 4 03 Mar 2025 28 Feb 2025 001-37793
4 Open Document Open Filing FORM 4 31 Jan 2025 30 Jan 2025 001-37793
4 Open Document Open Filing FORM 4 17 Dec 2024 16 Dec 2024 001-37793
4 Open Document Open Filing FORM 4 19 Nov 2024 15 Mar 2024 001-37793
4 Open Document Open Filing FORM 4 22 May 2024 22 May 2024 001-37793
144 Open Document Open Filing 22 May 2024
4 Open Document Open Filing FORM 4 31 Jan 2024 30 Jan 2024 001-37793
4 Open Document Open Filing FORM 4 24 May 2023 24 May 2023 001-37793
144 Open Document Open Filing 24 May 2023
4 Open Document Open Filing FORM 4 31 Jan 2023 27 Jan 2023 001-37793
4 Open Document Open Filing FORM 4 27 Jan 2022 27 Jan 2022 001-37793
4 Open Document Open Filing FORM 4 12 May 2021 11 May 2021 001-37793
4 Open Document Open Filing FORM 4 01 Feb 2021 28 Jan 2021 001-37793
4 Open Document Open Filing FORM 4 31 Jan 2020 30 Jan 2020 001-37793
4 Open Document Open Filing FORM 4 07 Feb 2019 05 Feb 2019 001-37793
4 Open Document Open Filing FORM 4 05 Mar 2018 01 Mar 2018 001-37427
4 Open Document Open Filing FORM 4 01 Feb 2018 31 Jan 2018 001-37793
4 Open Document Open Filing FORM 4 20 Sep 2017 18 Sep 2017 001-37427
4 Open Document Open Filing FORM 4 04 May 2017 02 May 2017 001-37793
4 Open Document Open Filing FORM 4 16 Mar 2017 14 Mar 2017 001-37427
4 Open Document Open Filing FORM 4 03 Mar 2017 01 Mar 2017 001-37427
3 Open Document Open Filing FORM 3 SUBMISSION 09 Jun 2016 09 Jun 2016 001-37793
4 Open Document Open Filing FORM 4 08 Mar 2016 05 Mar 2016 001-37427
4 Open Document Open Filing FORM 4 03 Mar 2016 01 Mar 2016 001-37427
4 Open Document Open Filing FORM 4 02 Nov 2015 29 Oct 2015 001-37427
4 Open Document Open Filing FORM 4 09 Oct 2015 07 Oct 2015 001-37427
4/A Open Document Open Filing FORM 4/A 08 Oct 2015 15 Aug 2015 001-37427
4 Open Document Open Filing FORM 4 08 Sep 2015 05 Sep 2015 001-37427
4 Open Document Open Filing FORM 4 18 Aug 2015 15 Aug 2015 001-37427
3 Open Document Open Filing FORM 3 22 Jun 2015 22 Jun 2015 001-37427
4 Open Document Open Filing FORM 4 31 Oct 2014 29 Oct 2014 001-10716
4 Open Document Open Filing FORM 4 09 Sep 2014 05 Sep 2014 001-10716
4 Open Document Open Filing FORM 4 17 Jun 2014 13 Jun 2014 001-10716
4 Open Document Open Filing FORM 4 02 May 2014 30 Apr 2014 001-10716
4 Open Document Open Filing FORM 4 07 Mar 2014 05 Mar 2014 001-10716
4 Open Document Open Filing FORM 4 04 Mar 2014 01 Mar 2014 001-10716