Marshall M. Burton

Entity
Individual
Business address
518 Seventeenth Street, Suite 1700, 80202 Denver, CO
Insider ownership signature
/s/ Andrew Ko, Attorney-in-Fact
All SEC filings
View on sec.gov
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Marshall M. Burton has filed 18 SEC EDGAR filings since 4/29/2011

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 Aug 4, 2025 Aug 1, 2025 000-56032
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Aug 5, 2024 Aug 1, 2024 000-56032
4 Open Document Open Filing Aug 11, 2023 Aug 9, 2023 000-56032
4 Open Document Open Filing Jul 6, 2022 Jul 1, 2022 000-56032
4 Open Document Open Filing Jul 6, 2021 Jul 1, 2021 000-56032
4 Open Document Open Filing 4 Jul 13, 2020 Jul 13, 2020 000-56032
4 Open Document Open Filing FORM 4 Jan 3, 2020 Jan 2, 2020 000-56032
3 Open Document Open Filing PRIMARY DOCUMENT Mar 5, 2019 Mar 5, 2019 000-56032
4 Open Document Open Filing FORM 4 Jul 3, 2018 Jun 29, 2018 000-55376
4 Open Document Open Filing FORM 4 Jun 23, 2017 Jun 23, 2017 000-55376
4 Open Document Open Filing FORM 4 SUBMISSION Jun 24, 2016 Jun 23, 2016 000-55376
4 Open Document Open Filing FORM 4 SUBMISSION Nov 30, 2015 Nov 30, 2015 000-55376
4 Open Document Open Filing PRIMARY DOCUMENT Nov 4, 2015 Nov 4, 2015 000-54372
4 Open Document Open Filing FORM 4 SUBMISSION Jun 25, 2015 Jun 25, 2015 000-54372
3 Open Document Open Filing FORM 3 SUBMISSION Feb 17, 2015 Feb 17, 2015 000-55376
4 Open Document Open Filing FORM 4 SUBMISSION Jul 3, 2014 Jul 1, 2014 000-54372
4 Open Document Open Filing FORM 4 SUBMISSION Apr 15, 2014 Apr 15, 2014 000-54372