Donald W. DeGolyer

Entity
Individual
Business address
400 Professional Dr. Ste. 400, 20879 Gaithersburg, MD
Insider ownership signature
/s/ Richard S. Lindahl, Attorney-in-fact
All SEC filings
View on sec.gov
Get insider transactions for this reporting owner
Donald W. DeGolyer has filed 25 SEC EDGAR filings since 8/9/2013

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing FORM 4 Nov 12, 2025 Nov 10, 2025 001-33137
144 Open Document Open Filing Nov 10, 2025
4 Open Document Open Filing FORM 4 Aug 13, 2025 Aug 12, 2025 001-33137
144 Open Document Open Filing Aug 12, 2025
4 Open Document Open Filing FORM 4 May 2, 2025 Apr 30, 2025 001-33137
4 Open Document Open Filing FORM 4 Nov 14, 2024 Nov 12, 2024 001-33137
144 Open Document Open Filing Nov 12, 2024
4 Open Document Open Filing FORM 4 May 28, 2024 May 23, 2024 001-33137
4 Open Document Open Filing FORM 4 Oct 5, 2023 Oct 3, 2023 001-33137
3 Open Document Open Filing FORM 3 Oct 5, 2023 Oct 1, 2023 001-33137
4 Open Document Open Filing FORM 4 SUBMISSION Sep 16, 2022 Sep 16, 2022 001-38169
4 Open Document Open Filing FORM 4 SUBMISSION Aug 29, 2022 Aug 24, 2022 001-38169
4 Open Document Open Filing FORM 4 SUBMISSION Aug 26, 2021 Aug 24, 2021 001-38169
4 Open Document Open Filing FORM 4 SUBMISSION Aug 24, 2020 Aug 20, 2020 001-38169
4 Open Document Open Filing FORM 4 SUBMISSION Aug 27, 2019 Aug 22, 2019 001-38169
4 Open Document Open Filing FORM 4 SUBMISSION Aug 28, 2018 Aug 26, 2018 001-38169
4 Open Document Open Filing FORM 4 SUBMISSION May 29, 2018 May 24, 2018 001-38169
3 Open Document Open Filing FORM 3 SUBMISSION May 29, 2018 May 24, 2018 001-38169
4 Open Document Open Filing FORM 4 SUBMISSION Mar 2, 2015 Feb 26, 2015 001-36326
4 Open Document Open Filing FORM 4 SUBMISSION Aug 5, 2014 Aug 2, 2014 001-36326
4 Open Document Open Filing FORM 4 SUBMISSION Mar 4, 2014 Feb 28, 2014 001-36326
3 Open Document Open Filing FORM 3 SUBMISSION Mar 4, 2014 Feb 28, 2014 001-36326
4 Open Document Open Filing FORM 4 SUBMISSION Mar 3, 2014 Feb 28, 2014 001-15989
4 Open Document Open Filing FORM 4 SUBMISSION Feb 28, 2014 Feb 26, 2014 001-15989