Mark R. Widmar

Business address
C/O Graftech International Ltd, 12900 Snow Road, Parma, OH, 44130
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Mark R. Widmar has filed 113 SEC EDGAR filings since 5/10/2006

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing PRIMARY DOCUMENT Aug 18, 2025 Aug 15, 2025 001-33156
144 Open Document Open Filing Aug 15, 2025
4 Open Document Open Filing PRIMARY DOCUMENT Aug 14, 2025 Aug 12, 2025 001-33156
144 Open Document Open Filing Aug 13, 2025
144 Open Document Open Filing Aug 12, 2025
4 Open Document Open Filing PRIMARY DOCUMENT May 2, 2025 May 1, 2025 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 18, 2025 Mar 14, 2025 001-33156
144 Open Document Open Filing Mar 17, 2025
4 Open Document Open Filing PRIMARY DOCUMENT Mar 10, 2025 Mar 6, 2025 001-33156
144 Open Document Open Filing Mar 7, 2025
4 Open Document Open Filing PRIMARY DOCUMENT Mar 3, 2025 Feb 28, 2025 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Feb 28, 2025 Feb 26, 2025 001-33156
144 Open Document Open Filing Feb 28, 2025
4 Open Document Open Filing PRIMARY DOCUMENT Jun 4, 2024 Jun 3, 2024 001-33156
144 Open Document Open Filing Jun 3, 2024
4 Open Document Open Filing PRIMARY DOCUMENT Mar 19, 2024 Mar 15, 2024 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 8, 2024 Mar 6, 2024 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 5, 2024 Mar 1, 2024 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 1, 2024 Feb 29, 2024 001-33156
144 Open Document Open Filing Mar 1, 2024
4 Open Document Open Filing PRIMARY DOCUMENT Oct 3, 2023 Mar 6, 2023 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Aug 1, 2023 Jul 28, 2023 001-33156
144 Open Document Open Filing Jul 28, 2023
4 Open Document Open Filing PRIMARY DOCUMENT Jul 19, 2023 Jul 17, 2023 001-33156
144 Open Document Open Filing Jul 18, 2023
144 Open Document Open Filing Jul 17, 2023
4 Open Document Open Filing PRIMARY DOCUMENT Jun 7, 2023 Jun 6, 2023 001-33156
144 Open Document Open Filing Jun 6, 2023
4 Open Document Open Filing PRIMARY DOCUMENT Mar 17, 2023 Mar 15, 2023 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 8, 2023 Mar 6, 2023 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 6, 2023 Mar 2, 2023 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Jul 29, 2022 Jul 28, 2022 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT May 10, 2022 May 6, 2022 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 17, 2022 Mar 15, 2022 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 8, 2022 Mar 4, 2022 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 4, 2022 Mar 2, 2022 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT May 4, 2021 May 3, 2021 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 9, 2021 Mar 6, 2021 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 2, 2021 Mar 1, 2021 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 1, 2021 Feb 26, 2021 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Aug 11, 2020 Aug 10, 2020 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Jul 2, 2020 Jul 1, 2020 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 10, 2020 Mar 6, 2020 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Feb 26, 2020 Feb 24, 2020 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Aug 7, 2019 Aug 5, 2019 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Jul 2, 2019 Jul 1, 2019 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Apr 11, 2019 Apr 10, 2019 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 11, 2019 Mar 7, 2019 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 7, 2019 Mar 5, 2019 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Feb 25, 2019 Feb 25, 2019 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Nov 27, 2018 Nov 21, 2018 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Jul 2, 2018 Jul 1, 2018 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 22, 2018 Mar 21, 2018 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 9, 2018 Mar 7, 2018 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 7, 2018 Mar 5, 2018 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Feb 27, 2018 Feb 26, 2018 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Dec 8, 2017 Dec 7, 2017 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Aug 2, 2017 Jul 31, 2017 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Jul 25, 2017 Jul 21, 2017 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Jul 5, 2017 Jul 1, 2017 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 14, 2017 Mar 13, 2017 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 9, 2017 Mar 7, 2017 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 7, 2017 Mar 5, 2017 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Nov 22, 2016 Nov 21, 2016 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Aug 8, 2016 Aug 4, 2016 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Jul 25, 2016 Jul 21, 2016 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Jul 6, 2016 Jul 1, 2016 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Apr 6, 2016 Apr 4, 2016 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 15, 2016 Mar 14, 2016 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 10, 2016 Mar 8, 2016 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 8, 2016 Mar 5, 2016 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Dec 17, 2015 Dec 16, 2015 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Nov 12, 2015 Nov 10, 2015 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Nov 10, 2015 Nov 6, 2015 001-33156
3 Open Document Open Filing FORM 3 SUBMISSION Jun 18, 2015 Jun 18, 2015 001-37447
4 Open Document Open Filing PRIMARY DOCUMENT Apr 7, 2015 Apr 4, 2015 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 17, 2015 Mar 13, 2015 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 9, 2015 Mar 5, 2015 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 3, 2015 Feb 27, 2015 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT May 9, 2014 May 8, 2014 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Apr 7, 2014 Apr 4, 2014 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 17, 2014 Mar 13, 2014 001-33156
4 Open Document Open Filing PRIMARY DOCUMENT Mar 6, 2014 Mar 5, 2014 001-33156