MARIA T. SHIELDS

Business address
2600 Ansys Drive, Canonsburg, PA, 15317
Top holdings (ownership)
ANSS
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MARIA T. SHIELDS has filed 90 SEC EDGAR filings since 04 Feb 2003

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing PRIMARY DOCUMENT 07 Mar 2022 03 Mar 2022 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 18 Feb 2022 16 Feb 2022 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 04 Jan 2022 03 Jan 2022 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 09 Mar 2021 05 Mar 2021 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 05 Mar 2021 03 Mar 2021 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 18 Feb 2021 16 Feb 2021 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 06 Jan 2021 04 Jan 2021 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 09 Mar 2020 05 Mar 2020 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 05 Mar 2020 03 Mar 2020 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 18 Feb 2020 13 Feb 2020 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 07 Jan 2020 06 Jan 2020 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 29 Mar 2019 15 Feb 2019 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 06 Mar 2019 05 Mar 2019 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 05 Mar 2019 03 Mar 2019 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 04 Mar 2019 28 Feb 2019 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 20 Feb 2019 15 Feb 2019 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 07 Mar 2018 05 Mar 2018 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 06 Mar 2018 03 Mar 2018 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 20 Feb 2018 15 Feb 2018 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 05 Feb 2018 01 Feb 2018 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 03 Aug 2017 31 Jul 2017 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 21 Jun 2017 19 Jun 2017 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 07 Mar 2017 05 Mar 2017 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 21 Feb 2017 16 Feb 2017 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 02 Feb 2017 31 Jan 2017 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 31 Aug 2016 29 Jul 2016 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 20 Jun 2016 16 Jun 2016 000-20853
4/A Open Document Open Filing PRIMARY DOCUMENT 17 Jun 2016 05 Mar 2016 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 08 Mar 2016 05 Mar 2015 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 02 Feb 2016 29 Jan 2016 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 04 Aug 2015 31 Jul 2015 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 17 Jun 2015 15 Jun 2015 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 09 Mar 2015 05 Mar 2015 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 09 Feb 2015 30 Jan 2015 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 21 Nov 2014 19 Nov 2014 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 07 Aug 2014 31 Jul 2014 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 07 Mar 2014 05 Mar 2014 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 24 Feb 2014 20 Feb 2014 000-20853
4 Open Document Open Filing PRIMARY DOCUMENT 04 Feb 2014 31 Jan 2014 000-20853