Margaret B. Shannon

Entity
Individual
Business address
5500 Northwest Central Drive, 77092 Houston, TX
Insider ownership signature
/s/ Jessica L. Sherman, Attorney-in-Fact
All SEC filings
View on sec.gov
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Margaret B. Shannon has filed 68 SEC EDGAR filings since 11/24/2003

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing FORM 4 May 29, 2024 May 24, 2024 001-13831
4 Open Document Open Filing FORM 4 Mar 5, 2024 Mar 1, 2024 001-13831
144 Open Document Open Filing Mar 1, 2024
4 Open Document Open Filing FORM 4 Jun 5, 2023 Jun 1, 2023 001-13831
4 Open Document Open Filing FORM 4 May 25, 2023 May 23, 2023 001-13831
4 Open Document Open Filing FORM 4 Jun 1, 2022 May 27, 2022 001-13831
4 Open Document Open Filing FORM 4 Jun 1, 2021 May 27, 2021 001-13831
4 Open Document Open Filing FORM 4 Jun 1, 2020 May 28, 2020 001-13831
4 Open Document Open Filing FORM 4 May 28, 2019 May 23, 2019 001-13831
4 Open Document Open Filing FORM 4 May 29, 2018 May 24, 2018 001-13831
4 Open Document Open Filing FORM 4 May 30, 2017 May 28, 2017 001-13831
4 Open Document Open Filing FORM 4 May 26, 2017 May 24, 2017 001-13831
4 Open Document Open Filing FORM 4 Nov 1, 2016 Oct 28, 2016 001-35410
4 Open Document Open Filing FORM 4 Aug 5, 2016 Aug 3, 2016 001-35410
4 Open Document Open Filing FORM 4 May 31, 2016 May 26, 2016 001-13831
4 Open Document Open Filing FORM 4 May 3, 2016 Apr 29, 2016 001-35410
4 Open Document Open Filing FORM 4 Feb 23, 2016 Feb 19, 2016 001-35410
4 Open Document Open Filing FORM 4 Nov 2, 2015 Oct 29, 2015 001-35410
4 Open Document Open Filing FORM 4 Aug 3, 2015 Jul 30, 2015 001-35410
4 Open Document Open Filing FORM 4 SUBMISSION May 26, 2015 May 21, 2015 001-13831
4 Open Document Open Filing FORM 4 May 4, 2015 May 1, 2015 001-35410
4 Open Document Open Filing FORM 4 SUBMISSION Feb 26, 2015 Feb 24, 2015 001-35410
4 Open Document Open Filing FORM 4 SUBMISSION Nov 3, 2014 Oct 30, 2014 001-35410
4 Open Document Open Filing FORM 4 SUBMISSION Aug 4, 2014 Jul 31, 2014 001-35410
4 Open Document Open Filing FORM 4 SUBMISSION May 27, 2014 May 22, 2014 001-13831
4 Open Document Open Filing FORM 4 SUBMISSION May 6, 2014 May 2, 2014 001-35410
4 Open Document Open Filing FORM 4 SUBMISSION Mar 11, 2014 Mar 7, 2014 001-35410