Mattern Capital Management, Llc

Business address
165 S. Union Blvd, Suite 780, 80228 Lakewood, CO
State of incorporation
CO
Fiscal year end
December 31
Mattern Capital Management, Llc has filed 27 SEC EDGAR filings since 2/13/2020

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
13F-HR Open Document Open Filing Oct 21, 2025 Sep 30, 2025 028-19975
N-PX Open Document Open Filing Aug 19, 2025 Jun 30, 2025 028-19975
13F-HR Open Document Open Filing Jul 21, 2025 Jun 30, 2025 028-19975
13F-HR Open Document Open Filing Apr 23, 2025 Mar 31, 2025 028-19975
13F-HR Open Document Open Filing Feb 3, 2025 Dec 31, 2024 028-19975
13F-HR Open Document Open Filing Oct 24, 2024 Sep 30, 2024 028-19975
N-PX Open Document Open Filing Aug 28, 2024 Jun 30, 2024 028-19975
13F-HR Open Document Open Filing Aug 2, 2024 Jun 30, 2024 028-19975
13F-HR Open Document Open Filing May 14, 2024 Mar 31, 2024 028-19975
13F-HR Open Document Open Filing Feb 14, 2024 Dec 31, 2023 028-19975
13F-HR Open Document Open Filing Nov 8, 2023 Sep 30, 2023 028-19975
13F-HR Open Document Open Filing Aug 8, 2023 Jun 30, 2023 028-19975
13F-HR Open Document Open Filing May 12, 2023 Mar 31, 2023 028-19975
13F-HR Open Document Open Filing Feb 6, 2023 Dec 31, 2022 028-19975
13F-HR Open Document Open Filing Nov 8, 2022 Sep 30, 2022 028-19975
13F-HR Open Document Open Filing Aug 8, 2022 Jun 30, 2022 028-19975
13F-HR Open Document Open Filing May 3, 2022 Mar 31, 2022 028-19975
13F-HR Open Document Open Filing Feb 3, 2022 Dec 31, 2021 028-19975
13F-HR Open Document Open Filing Nov 1, 2021 Sep 30, 2021 028-19975
13F-HR Open Document Open Filing Aug 3, 2021 Jun 30, 2021 028-19975
13F-HR Open Document Open Filing May 17, 2021 Mar 31, 2021 028-19975
13F-HR/A Open Document Open Filing Mar 5, 2021 Dec 31, 2020 028-19975
13F-HR Open Document Open Filing Feb 3, 2021 Dec 31, 2020 028-19975
13F-HR Open Document Open Filing Nov 16, 2020 Sep 30, 2020 028-19975
13F-HR Open Document Open Filing Aug 7, 2020 Jun 30, 2020 028-19975
13F-HR Open Document Open Filing May 11, 2020 Mar 31, 2020 028-19975
13F-HR Open Document Open Filing Feb 13, 2020 Dec 31, 2019 028-19975