MARK GUINAN

Business address
C/O Quest Diagnostics, 500 Plaza Drive, Secaucus, NJ, 07094
Top holdings (ownership)
DGX and UPHL
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MARK GUINAN has filed 59 SEC EDGAR filings since 14 Dec 2010

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 02 Feb 2024 31 Jan 2024 001-38924
SC 13D Open Document Open Filing SC 13D 28 Nov 2023
4 Open Document Open Filing FORM 4 SUBMISSION 10 Mar 2023 10 Mar 2023 001-37929
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 19 Dec 2022 16 Dec 2022 001-38924
3 Open Document Open Filing INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES 05 Dec 2022 05 Dec 2022 001-38924
4 Open Document Open Filing FORM 4 SUBMISSION 28 Oct 2022 26 Oct 2022 001-37929
4 Open Document Open Filing FORM 4 09 Mar 2022 07 Mar 2022 001-12215
4 Open Document Open Filing FORM 4 28 Feb 2022 24 Feb 2022 001-12215
4 Open Document Open Filing FORM 4 25 Feb 2022 23 Feb 2022 001-12215
4 Open Document Open Filing FORM 4 SUBMISSION 09 Nov 2021 05 Nov 2021 001-37929
4 Open Document Open Filing FORM 4 11 Mar 2021 09 Mar 2021 001-12215
4 Open Document Open Filing FORM 4 25 Feb 2021 23 Feb 2021 001-12215
4 Open Document Open Filing FORM 4 19 Feb 2021 17 Feb 2021 001-12215
4 Open Document Open Filing FORM 4 28 Dec 2020 24 Dec 2020 001-12215
4 Open Document Open Filing FORM 4 SUBMISSION 17 Sep 2020 15 Sep 2020 001-37929
4 Open Document Open Filing FORM 4 10 Jun 2020 08 Jun 2020 001-12215
4 Open Document Open Filing FORM 4 12 Mar 2020 10 Mar 2020 001-12215
4 Open Document Open Filing FORM 4 27 Feb 2020 26 Feb 2020 001-12215
4 Open Document Open Filing FORM 4 26 Feb 2020 24 Feb 2020 001-12215
4 Open Document Open Filing FORM 4 20 Feb 2020 18 Feb 2020 001-12215
4 Open Document Open Filing FORM 4 SUBMISSION 27 Aug 2019 23 Aug 2019 001-37929
4 Open Document Open Filing FORM 4 17 Jun 2019 13 Jun 2019 001-12215
4 Open Document Open Filing FORM 4 05 Mar 2019 01 Mar 2019 001-12215
4 Open Document Open Filing FORM 4 28 Feb 2019 26 Feb 2019 001-12215
4 Open Document Open Filing FORM 4 27 Feb 2019 25 Feb 2019 001-12215
4 Open Document Open Filing FORM 4 25 Feb 2019 22 Feb 2019 001-12215
4 Open Document Open Filing FORM 4 20 Feb 2019 18 Feb 2019 001-12215
4 Open Document Open Filing FORM 4 SUBMISSION 24 Jul 2018 23 Jul 2018 001-37929
3 Open Document Open Filing FORM 3 SUBMISSION 24 Jul 2018 23 Jul 2018 001-37929
4 Open Document Open Filing FORM 4 29 May 2018 25 May 2018 001-12215
4 Open Document Open Filing FORM 4 06 Mar 2018 02 Mar 2018 001-12215
4/A Open Document Open Filing FORM 4/A 06 Mar 2018 27 Feb 2018 001-12215
4/A Open Document Open Filing FORM 4/A 06 Mar 2018 23 Feb 2018 001-12215
4 Open Document Open Filing FORM 4 01 Mar 2018 27 Feb 2018 001-12215
4 Open Document Open Filing FORM 4 27 Feb 2018 23 Feb 2018 001-12215
4 Open Document Open Filing FORM 4 21 Feb 2018 19 Feb 2018 001-12215
4 Open Document Open Filing FORM 4 03 Mar 2017 02 Mar 2017 001-12215
4 Open Document Open Filing FORM 4 02 Mar 2017 28 Feb 2017 001-12215
4 Open Document Open Filing FORM 4 28 Feb 2017 24 Feb 2017 001-12215
4 Open Document Open Filing FORM 4 23 Feb 2017 21 Feb 2017 001-12215
4 Open Document Open Filing FORM 4 15 Feb 2017 13 Feb 2017 001-12215
4 Open Document Open Filing FORM 4 24 Aug 2016 22 Aug 2016 001-12215
4 Open Document Open Filing FORM 4 03 Mar 2016 01 Mar 2016 001-12215
4 Open Document Open Filing FORM 4 29 Feb 2016 25 Feb 2016 001-12215
4 Open Document Open Filing FORM 4 18 Feb 2016 16 Feb 2016 001-12215
4 Open Document Open Filing FORM 4 24 Aug 2015 21 Aug 2015 001-12215
4 Open Document Open Filing FORM 4 25 Feb 2015 23 Feb 2015 001-12215
4 Open Document Open Filing FORM 4 18 Feb 2015 17 Feb 2015 001-12215
4 Open Document Open Filing OWNERSHIP DOCUMENT 20 Aug 2014 20 Aug 2014 001-12215
4 Open Document Open Filing PRIMARY DOCUMENT 07 May 2014 05 May 2014 001-12215
4 Open Document Open Filing PRIMARY DOCUMENT 18 Feb 2014 13 Feb 2014 001-12215
4 Open Document Open Filing PRIMARY DOCUMENT 21 Aug 2013 19 Aug 2013 001-12215
3 Open Document Open Filing PRIMARY DOCUMENT 31 Jul 2013 29 Jul 2013 001-12215
4 Open Document Open Filing PRIMARY DOCUMENT 18 Dec 2012 14 Dec 2012 001-06651
4 Open Document Open Filing PRIMARY DOCUMENT 21 Nov 2012 13 Nov 2012 001-06651