| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| 8-K | Report | Data | 8-K | Sep 13, 2024 | Sep 13, 2024 |
| 8-K | Report | Data | 8-K | Aug 16, 2024 | Aug 16, 2024 |
| 8-K | Report | Data | 8-K | Aug 13, 2024 | Aug 13, 2024 |
| 10-Q | Report | Data | 10-Q | Jul 24, 2024 | Jun 30, 2024 |
| 8-K | Report | Data | 8-K | Jul 22, 2024 | Jul 22, 2024 |
| 8-K | Report | Data | 8-K | Jul 15, 2024 | Jul 14, 2024 |
| 8-K | Report | Data | 8-K | Jun 28, 2024 | Jun 26, 2024 |
| 8-K | Report | Data | 8-K | May 20, 2024 | May 16, 2024 |
| 8-K | Report | Data | 8-K | May 3, 2024 | May 2, 2024 |
| 10-Q | Report | Data | 10-Q | Apr 25, 2024 | Mar 31, 2024 |
| 8-K | Report | Data | 8-K | Apr 22, 2024 | Apr 22, 2024 |
| 8-K | Report | Data | 8-K | Apr 5, 2024 | Apr 2, 2024 |
| 8-K | Report | Data | 8-K | Mar 29, 2024 | Mar 26, 2024 |
| 8-K | Report | Data | 8-K | Mar 18, 2024 | Mar 18, 2024 |
| SC 13G/A | Report | SCHEDULE 13G/A | Mar 11, 2024 | |
| SC 13G/A | Report | Mar 7, 2024 | ||
| 8-K | Report | Data | 8-K | Mar 4, 2024 | Mar 4, 2024 |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 13, 2024 | |
| 10-K | Report | Data | 10-K | Feb 8, 2024 | Dec 31, 2023 |
| 8-K | Report | Data | 8-K | Jan 29, 2024 | Jan 29, 2024 |
| SC 13G/A | Report | Jan 24, 2024 | ||
| 8-K | Report | Data | 8-K | Jan 3, 2024 | Jan 3, 2024 |
| 10-Q | Report | Data | 10-Q | Oct 25, 2023 | Sep 30, 2023 |
| 8-K | Report | Data | 8-K | Oct 23, 2023 | Oct 23, 2023 |
| 8-K/A | Report | Data | 8-K/A | Sep 15, 2023 | May 17, 2023 |
| 8-K | Report | Data | 8-K | Aug 22, 2023 | Aug 22, 2023 |
| 8-K | Report | Data | 8-K | Aug 14, 2023 | Aug 13, 2023 |
| SC 13G/A | Report | SCHEDULE 13G/A | Aug 10, 2023 | |
| 10-Q | Report | Data | 10-Q | Jul 26, 2023 | Jun 30, 2023 |
| 8-K | Report | Data | 8-K | Jul 24, 2023 | Jul 24, 2023 |
| 8-K | Report | Data | 8-K | Jun 9, 2023 | Jun 9, 2023 |
| 8-K | Report | Data | 8-K | May 19, 2023 | May 17, 2023 |
| 10-Q | Report | Data | 10-Q | Apr 26, 2023 | Mar 31, 2023 |
| 8-K | Report | Data | 8-K | Apr 24, 2023 | Apr 24, 2023 |
| 8-K | Report | Data | 8-K | Apr 14, 2023 | Apr 14, 2023 |
| 8-K | Report | Data | 8-K | Apr 11, 2023 | Apr 11, 2023 |
| 10-K | Report | Data | 10-K | Feb 14, 2023 | Dec 31, 2022 |
| 8-K | Report | Data | 8-K | Feb 13, 2023 | Feb 13, 2023 |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 9, 2023 | |
| SC 13G/A | Report | Jan 26, 2023 | ||
| SC 13G/A | Report | Jan 20, 2023 | ||
| 10-Q | Report | Data | 10-Q | Oct 26, 2022 | Sep 30, 2022 |
| 8-K | Report | Data | 8-K | Oct 25, 2022 | Oct 25, 2022 |
| 10-Q | Report | Data | 10-Q | Jul 26, 2022 | Jun 30, 2022 |
| 8-K | Report | Data | 8-K | Jul 22, 2022 | Jul 22, 2022 |
| SC 13G | Report | Jul 8, 2022 | ||
| 8-K | Report | Data | 8-K | May 6, 2022 | May 5, 2022 |
| 8-K | Report | Data | 8-K | Apr 29, 2022 | Apr 27, 2022 |
| 10-Q | Report | Data | 10-Q | Apr 26, 2022 | Mar 31, 2022 |
| 8-K | Report | Data | 8-K | Apr 22, 2022 | Apr 22, 2022 |
| 8-K | Report | Data | 8-K | Apr 22, 2022 | Apr 22, 2022 |
| 10-K | Report | Data | 10-K | Feb 11, 2022 | Dec 31, 2021 |
| 8-K | Report | Data | 8-K | Feb 11, 2022 | Feb 11, 2022 |
| 8-K | Report | Data | 8-K | Feb 11, 2022 | Feb 11, 2022 |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 9, 2022 | |
| SC 13G/A | Report | Feb 1, 2022 | ||
| 8-K | Report | Data | 8-K | Dec 23, 2021 | Dec 17, 2021 |
| 8-K | Report | Data | 8-K | Dec 10, 2021 | Dec 7, 2021 |
| 10-Q | Report | Data | 10-Q | Oct 26, 2021 | Sep 30, 2021 |
| 8-K | Report | Data | 8-K | Oct 22, 2021 | Oct 22, 2021 |
| 8-K | Report | Data | 8-K | Aug 30, 2021 | Aug 27, 2021 |
| 10-Q | Report | Data | 10-Q | Jul 28, 2021 | Jun 30, 2021 |
| 8-K | Report | Data | 8-K | Jul 22, 2021 | Jul 22, 2021 |
| SC 13G/A | Report | Jul 12, 2021 | ||
| 8-K | Report | Data | 8-K | May 28, 2021 | May 26, 2021 |
| 8-K | Report | Data | 8-K | Apr 30, 2021 | Apr 28, 2021 |
| 10-Q | Report | Data | 10-Q | Apr 28, 2021 | Mar 31, 2021 |
| 8-K | Report | Data | 8-K | Apr 22, 2021 | Apr 22, 2021 |
| 8-K | Report | Data | 8-K | Mar 12, 2021 | Mar 12, 2021 |
| 10-K | Report | Data | 10-K | Feb 26, 2021 | Dec 31, 2020 |
| SC 13G | Report | SC 13G | Feb 25, 2021 | |
| 8-K | Report | Data | 8-K | Feb 25, 2021 | Feb 25, 2021 |
| 8-K | Report | Data | 8-K | Feb 17, 2021 | Feb 17, 2021 |
| 8-K | Report | Data | 8-K | Feb 11, 2021 | Feb 11, 2021 |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 10, 2021 | |
| 8-K | Report | Data | 8-K | Feb 9, 2021 | Feb 9, 2021 |
| 8-K/A | Report | Data | 8-K/A | Feb 8, 2021 | Dec 7, 2020 |
| SC 13G/A | Report | Feb 8, 2021 | ||
| SC 13G/A | Report | Jan 26, 2021 | ||
| 8-K | Report | Data | 8-K | Jan 25, 2021 | Jan 25, 2021 |
| SC 13G | Report | ACQUISITION OF BENEFICIAL OWNERSHIP | Dec 17, 2020 | |
| 8-K | Report | Data | 8-K | Dec 9, 2020 | Dec 7, 2020 |
| 10-Q | Report | Data | 10-Q | Oct 23, 2020 | Sep 30, 2020 |
| 8-K | Report | Data | 8-K | Oct 23, 2020 | Oct 23, 2020 |
| 8-K | Report | Data | 8-K | Sep 28, 2020 | Sep 24, 2020 |
| 10-Q | Report | Data | 10-Q | Jul 30, 2020 | Jun 30, 2020 |
| 8-K | Report | Data | 8-K | Jul 30, 2020 | Jul 30, 2020 |
| 8-K | Report | Data | 8-K | Jun 19, 2020 | Jun 19, 2020 |
| 8-K | Report | Data | 8-K | Jun 16, 2020 | Jun 16, 2020 |
| 10-Q | Report | Data | 10-Q | May 11, 2020 | Mar 31, 2020 |
| 8-K | Report | Data | 8-K | May 11, 2020 | May 11, 2020 |
| 8-K | Report | Data | 8-K | Apr 24, 2020 | Apr 22, 2020 |
| 8-K | Report | Data | 8-K | Apr 24, 2020 | Apr 24, 2020 |
| 8-K | Report | Data | 8-K | Apr 21, 2020 | Apr 21, 2020 |
| 8-K | Report | Data | 8-K | Apr 17, 2020 | Apr 17, 2020 |
| 8-K | Report | Data | 8-K | Apr 15, 2020 | Apr 15, 2020 |
| 8-K | Report | Data | 8-K | Apr 15, 2020 | Apr 15, 2020 |
| 8-K | Report | Data | 8-K | Apr 2, 2020 | Mar 27, 2020 |
| 8-K | Report | Data | 8-K | Mar 16, 2020 | Mar 16, 2020 |
| 8-K | Report | Data | 8-K | Mar 13, 2020 | Mar 13, 2020 |
| 8-K | Report | Data | 8-K | Mar 10, 2020 | Mar 10, 2020 |
| 8-K | Report | Data | 8-K | Mar 3, 2020 | Mar 2, 2020 |
| 8-K | Report | Data | 8-K | Mar 2, 2020 | Mar 2, 2020 |
| 8-K | Report | Data | 8-K | Feb 26, 2020 | Feb 26, 2020 |
| 8-K | Report | Data | 8-K | Feb 26, 2020 | Feb 26, 2020 |
| 10-K | Report | Data | 10-K | Feb 20, 2020 | Dec 31, 2019 |
| 8-K | Report | Data | 8-K | Feb 20, 2020 | Feb 20, 2020 |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 12, 2020 | |
| SC 13G/A | Report | Feb 7, 2020 | ||
| SC 13G/A | Report | Feb 4, 2020 | ||
| SC 13G | Report | Jan 29, 2020 | ||
| 8-K | Report | Data | 8-K | Dec 4, 2019 | Dec 2, 2019 |
| 8-K | Report | Data | 8-K | Dec 3, 2019 | Dec 3, 2019 |
| SC 13G/A | Report | Nov 8, 2019 | ||
| 10-Q | Report | Data | 10-Q | Oct 23, 2019 | Sep 30, 2019 |
| 8-K | Report | Data | 8-K | Oct 23, 2019 | Oct 23, 2019 |
| 8-K | Report | Data | 8-K | Sep 10, 2019 | Sep 10, 2019 |
| 10-Q | Report | Data | 10-Q | Jul 19, 2019 | Jun 30, 2019 |
| 8-K | Report | Data | 8-K | Jul 19, 2019 | Jul 19, 2019 |
| 8-K | Report | 8-K | Jun 13, 2019 | Jun 13, 2019 |
| 8-K | Report | 8-K | May 14, 2019 | May 13, 2019 |
| 8-K | Report | 8-K | Apr 30, 2019 | Apr 29, 2019 |
| 8-K | Report | 8-K | Apr 26, 2019 | Apr 24, 2019 |
| 10-Q | Report | Data | 10-Q | Apr 25, 2019 | Mar 31, 2019 |
| 8-K | Report | 8-K | Apr 25, 2019 | Apr 25, 2019 |
| 8-K | Report | 8-K | Apr 1, 2019 | Mar 27, 2019 |
| 8-K | Report | 8-K | Mar 8, 2019 | Mar 4, 2019 |
| 8-K | Report | 8-K | Feb 14, 2019 | Feb 12, 2019 |
| SC 13G | Report | Feb 13, 2019 | ||
| SC 13G/A | Report | Feb 11, 2019 | ||
| 10-K | Report | Data | 10-K | Feb 8, 2019 | Dec 31, 2018 |
| 8-K | Report | 8-K | Feb 8, 2019 | Feb 8, 2019 |
| SC 13G | Report | Feb 7, 2019 | ||
| SC 13G/A | Report | Feb 4, 2019 | ||
| 8-K | Report | 8-K | Jan 28, 2019 | Jan 28, 2019 |
| 8-K | Report | 8-K | Dec 11, 2018 | Dec 11, 2018 |
| 10-Q | Report | Data | 10-Q | Oct 19, 2018 | Sep 30, 2018 |
| 8-K | Report | 8-K | Oct 19, 2018 | Oct 19, 2018 |
| SC 13G/A | Report | Oct 10, 2018 | ||
| 10-Q | Report | Data | 10-Q | Jul 24, 2018 | Jun 30, 2018 |
| 8-K | Report | 8-K | Jul 20, 2018 | Jul 20, 2018 |
| 8-K | Report | 8-K | Apr 27, 2018 | Apr 24, 2018 |
| 10-Q | Report | Data | 10-Q | Apr 24, 2018 | Mar 31, 2018 |
| 8-K | Report | 8-K | Apr 20, 2018 | Apr 20, 2018 |
| 8-K | Report | 8-K | Apr 6, 2018 | Apr 6, 2018 |
| 10-K/A | Report | 10-K/A | Mar 13, 2018 | Dec 31, 2017 |
| 8-K | Report | 8-K | Mar 1, 2018 | Feb 28, 2018 |
| 10-K | Report | Data | 10-K | Feb 14, 2018 | Dec 31, 2017 |
| SC 13G/A | Report | Feb 9, 2018 | ||
| SC 13G | Report | Feb 8, 2018 | ||
| 8-K | Report | 8-K | Jan 25, 2018 | Jan 25, 2018 |
| 8-K | Report | 8-K | Dec 19, 2017 | Dec 19, 2017 |
| 8-K | Report | 8-K | Dec 6, 2017 | Dec 5, 2017 |
| 8-K | Report | 8-K | Dec 4, 2017 | Dec 4, 2017 |
| 8-K | Report | 8-K | Nov 17, 2017 | Nov 17, 2017 |
| 10-Q | Report | Data | 10-Q | Oct 23, 2017 | Sep 30, 2017 |
| 8-K | Report | 8-K | Oct 20, 2017 | Oct 20, 2017 |
| 8-K | Report | 8-K | Aug 17, 2017 | Aug 15, 2017 |
| 8-K | Report | 8-K/A - AMENDMENT NO. 1 | Aug 14, 2017 | Apr 25, 2017 |
| 8-K | Report | 8-K | Aug 7, 2017 | Aug 7, 2017 |
| 8-K | Report | Data | 8-K | Jul 31, 2017 | Jul 31, 2017 |
| 8-K | Report | Data | 8-K | Jul 31, 2017 | Jul 31, 2017 |
| 10-Q | Report | Data | 10-Q | Jul 27, 2017 | Jun 30, 2017 |
| 8-K | Report | Data | 8-K | Jul 27, 2017 | Jul 27, 2017 |
| 8-K | Report | 8-K | Jun 27, 2017 | Jun 26, 2017 |
| 8-K | Report | 8-K | Jun 15, 2017 | Jun 15, 2017 |
| SC 13G/A | Report | Jun 12, 2017 | ||
| 8-K | Report | 8-K | May 4, 2017 | May 4, 2017 |
| 10-Q | Report | Data | 10-Q | Apr 27, 2017 | Mar 31, 2017 |
| 8-K | Report | 8-K | Apr 27, 2017 | Apr 27, 2017 |
| 8-K | Report | 8-K | Apr 27, 2017 | Apr 25, 2017 |
| 8-K | Report | 8-K | Mar 10, 2017 | Mar 7, 2017 |
| 8-K | Report | 8-K | Feb 28, 2017 | Feb 22, 2017 |
| 8-K | Report | 8-K | Feb 27, 2017 | Feb 27, 2017 |
| 8-K | Report | 8-K | Feb 15, 2017 | Feb 9, 2017 |
| 8-K | Report | 8-K | Feb 13, 2017 | Feb 9, 2017 |
| SC 13G/A | Report | Feb 10, 2017 | ||
| SC 13G/A | Report | SC 13G/A | Feb 10, 2017 | |
| SC 13G/A | Report | CLIFFS NATURAL RESOURCES INC. | Feb 10, 2017 | |
| 10-K | Report | Data | 10-K | Feb 9, 2017 | Dec 31, 2016 |
| 8-K | Report | 8-K | Feb 9, 2017 | Feb 9, 2017 |
| SC 13G | Report | Jan 30, 2017 | ||
| 8-K | Report | 8-K | Dec 14, 2016 | Dec 14, 2016 |
| 10-Q | Report | Data | 10-Q | Oct 27, 2016 | Sep 30, 2016 |
| 8-K | Report | 8-K | Oct 27, 2016 | Oct 25, 2016 |
| 8-K | Report | 8-K | Oct 27, 2016 | Oct 27, 2016 |
| 10-Q | Report | Data | 10-Q | Jul 28, 2016 | Jun 30, 2016 |
| 8-K | Report | 8-K | Jul 28, 2016 | Jul 28, 2016 |
| 8-K | Report | 8-K | Jun 9, 2016 | Jun 7, 2016 |
| 8-K | Report | 8-K | Jun 3, 2016 | May 28, 2016 |
| 8-K | Report | 8-K | May 2, 2016 | Apr 27, 2016 |
| 8-K | Report | Data | 8-K | Apr 29, 2016 | Apr 20, 2016 |
| 10-Q | Report | Data | 10-Q | Apr 28, 2016 | Mar 31, 2016 |
| 8-K | Report | Data | 8-K | Apr 28, 2016 | Apr 28, 2016 |
| SC 13G/A | Report | Mar 10, 2016 | ||
| 8-K | Report | 8-K | Mar 2, 2016 | Mar 2, 2016 |
| 10-K | Report | Data | 10-K | Feb 24, 2016 | Dec 31, 2015 |
| SC 13G/A | Report | NONE | Feb 17, 2016 | |
| SC 13G | Report | CLIFFS NATURAL RESOURCES INC. | Feb 12, 2016 | |
| SC 13G/A | Report | SC 13G/A | Feb 12, 2016 | |
| SC 13G/A | Report | Feb 11, 2016 | ||
| SC 13G/A | Report | Feb 10, 2016 | ||
| 8-K | Report | 8-K | Feb 8, 2016 | Feb 8, 2016 |
| SC 13G/A | Report | SCHEDULE 13G-A | Jan 29, 2016 | |
| 8-K | Report | 8-K/A - AMENDMENT NO. 1 | Jan 27, 2016 | Jan 27, 2016 |
| 8-K | Report | 8-K | Jan 27, 2016 | Jan 27, 2016 |
| 8-K | Report | 8-K | Jan 22, 2016 | Jan 20, 2016 |
| 8-K | Report | 8-K | Dec 29, 2015 | Dec 22, 2015 |
| SC 13D/A | Report | CLIFFS NATURAL RESOURCES INC. | Nov 10, 2015 | |
| 8-K | Report | 8-K | Nov 4, 2015 | Oct 31, 2015 |
| 10-Q | Report | Data | 10-Q | Oct 29, 2015 | Sep 30, 2015 |
| 8-K | Report | 8-K | Oct 29, 2015 | Oct 29, 2015 |
| 8-K | Report | 8-K | Aug 7, 2015 | Aug 5, 2015 |
| 10-Q | Report | Data | 10-Q | Jul 29, 2015 | Jun 30, 2015 |
| 8-K | Report | 8-K | Jul 29, 2015 | Jul 29, 2015 |
| 8-K | Report | 8-K | May 21, 2015 | May 19, 2015 |
| 8-K | Report | 8-K | May 20, 2015 | May 20, 2015 |
| 10-Q | Report | Data | 10-Q | May 6, 2015 | Mar 31, 2015 |
| 8-K | Report | 8-K | Apr 28, 2015 | Apr 28, 2015 |
| 8-K | Report | 8-K | Apr 2, 2015 | Mar 31, 2015 |
| 8-K | Report | 8-K | Apr 1, 2015 | Mar 30, 2015 |
| 8-K | Report | 8-K | Mar 25, 2015 | Mar 25, 2015 |
| 8-K | Report | 8-K | Mar 23, 2015 | Mar 23, 2015 |
| 8-K | Report | 8-K | Mar 19, 2015 | Mar 16, 2015 |
| 8-K | Report | 8-K | Mar 19, 2015 | Mar 19, 2015 |
| SC 13G/A | Report | SC 13G/A | Mar 9, 2015 | |
| 10-K | Report | Data | 10-K | Feb 25, 2015 | Dec 31, 2014 |
| SC 13G | Report | NONE | Feb 13, 2015 | |
| SC 13G/A | Report | SC 13G/A | Feb 13, 2015 | |
| SC 13G | Report | SC 13G | Feb 13, 2015 | |
| SC 13G/A | Report | Feb 12, 2015 | ||
| SC 13G/A | Report | Feb 12, 2015 | ||
| SC 13G/A | Report | Feb 11, 2015 | ||
| 8-K | Report | 8-K | Feb 3, 2015 | Feb 2, 2015 |
| 8-K | Report | 8-K | Feb 2, 2015 | Jan 27, 2015 |
| 8-K | Report | 8-K | Jan 28, 2015 | Jan 22, 2015 |
| SC 13G/A | Report | SC 13G/A | Jan 28, 2015 | |
| SC 13G/A | Report | Jan 15, 2015 | ||
| 8-K | Report | 8-K | Jan 6, 2015 | Dec 31, 2014 |
| 8-K | Report | 8-K | Dec 19, 2014 | Dec 17, 2014 |
| 8-K | Report | 8-K | Dec 8, 2014 | Dec 2, 2014 |
| 8-K | Report | 8-K | Dec 1, 2014 | Nov 25, 2014 |
| 8-K | Report | 8-K | Nov 19, 2014 | Nov 19, 2014 |
| 10-Q | Report | Data | 10-Q | Nov 7, 2014 | Sep 30, 2014 |
| 8-K | Report | 8-K | Oct 30, 2014 | Oct 24, 2014 |
| 8-K | Report | 8-K | Oct 27, 2014 | Oct 27, 2014 |
| 8-K | Report | 8-K | Oct 17, 2014 | Oct 16, 2014 |
| 8-K | Report | 8-K | Oct 17, 2014 | Oct 15, 2014 |
| 8-K | Report | 8-K | Oct 14, 2014 | Oct 7, 2014 |
| SC 13D/A | Report | CLIFFS NATURAL RESOURCES INC. | Oct 9, 2014 | |
| 10-Q/A | Report | 10-Q/A | Oct 8, 2014 | Mar 31, 2014 |
| SC 13G | Report | SCHEDULE 13G | Oct 1, 2014 | |
| 10-Q/A | Report | 10-Q/A | Sep 25, 2014 | Mar 31, 2014 |
| 8-K | Report | 8-K | Sep 16, 2014 | Sep 12, 2014 |
| 8-K/A | Report | 8-K/A | Sep 16, 2014 | Aug 7, 2014 |
| 8-K | Report | 8-K | Sep 12, 2014 | Sep 9, 2014 |
| 10-Q/A | Report | 10-Q/A | Sep 10, 2014 | Mar 31, 2013 |
| 8-K | Report | 8-K | Sep 9, 2014 | Sep 4, 2014 |
| 8-K | Report | 8-K | Aug 25, 2014 | Aug 22, 2014 |
| 8-K | Report | 8-K | Aug 15, 2014 | Aug 11, 2014 |
| 8-K/A | Report | 8-K/A | Aug 12, 2014 | Aug 7, 2014 |
| 8-K/A | Report | 8-K/A - AMENDMENT NO. 1 | Aug 8, 2014 | Jul 29, 2014 |
| 8-K | Report | 8-K | Aug 7, 2014 | Aug 7, 2014 |
| 8-K | Report | 8-K | Aug 4, 2014 | Jul 29, 2014 |
| SC 13D/A | Report | CASABLANCA CAPITAL LP | Jul 31, 2014 | |
| 10-Q | Report | Data | 10-Q | Jul 24, 2014 | Jun 30, 2014 |
| 8-K | Report | 8-K | Jul 24, 2014 | Jul 23, 2014 |
| 8-K | Report | 8-K | Jun 30, 2014 | Jun 30, 2014 |
| 8-K | Report | 8-K | Jun 25, 2014 | Jun 25, 2014 |
| SC 13D/A | Report | SCHEDULE 13 D/A | May 30, 2014 | |
| 10-K/A | Report | 10-K/A | Apr 30, 2014 | Dec 31, 2013 |
| 10-Q | Report | Data | 10-Q | Apr 25, 2014 | Mar 31, 2014 |
| 8-K | Report | 8-K | Apr 25, 2014 | Apr 25, 2014 |
| 8-K | Report | 8-K | Apr 24, 2014 | Apr 24, 2014 |
| SC 13D/A | Report | CLIFFS NATURAL RESOURCES INC. | Apr 21, 2014 | |
| SC 13D/A | Report | Mar 7, 2014 | ||
| 8-K | Report | 8-K | Feb 27, 2014 | Feb 24, 2014 |
| 8-K | Report | 8-K | Feb 14, 2014 | Feb 13, 2014 |
| 10-K | Report | Data | 10-K | Feb 14, 2014 | Dec 31, 2013 |
| SC 13G | Report | Feb 14, 2014 | ||
| SC 13G | Report | Feb 14, 2014 | ||
| 8-K | Report | 8-K | Feb 14, 2014 | Feb 13, 2014 |
| SC 13G/A | Report | SC 13G/A | Feb 13, 2014 | |
| SC 13D/A | Report | CASABLANCA CAPITAL LP | Feb 12, 2014 | |
| SC 13G/A | Report | Feb 12, 2014 | ||
| 8-K | Report | 8-K | Feb 11, 2014 | Feb 10, 2014 |
| SC 13G/A | Report | Feb 10, 2014 | ||
| SC 13G | Report | CLF | Feb 5, 2014 | |
| SC 13D | Report | CLIFFS NATURAL RESOURCES INC. | Jan 28, 2014 | |
| 8-K | Report | LIVE FILING | Jan 3, 2014 | Dec 30, 2013 |
| 8-K | Report | LIVE FILING | Oct 29, 2013 | Oct 23, 2013 |
| 8-K | Report | LIVE FILING | Oct 28, 2013 | Oct 23, 2013 |
| 10-Q | Report | Data | 10-Q | Oct 25, 2013 | Sep 30, 2013 |
| 8-K | Report | 8-K | Oct 24, 2013 | Oct 24, 2013 |
| 10-Q/A | Report | 10-Q/A | Oct 23, 2013 | Jun 30, 2013 |
| 8-K | Report | LIVE FILING | Oct 22, 2013 | Oct 21, 2013 |
| 8-K | Report | LIVE FILING | Sep 30, 2013 | Sep 24, 2013 |
| 8-K | Report | LIVE FILING | Aug 21, 2013 | Aug 16, 2013 |
| 10-Q | Report | Data | 10-Q | Jul 26, 2013 | Jun 30, 2013 |
| 8-K | Report | 8-K | Jul 25, 2013 | Jul 25, 2013 |
| 8-K | Report | LIVE FILING | Jul 23, 2013 | Jul 17, 2013 |
| 8-K | Report | LIVE FILING | Jul 12, 2013 | Jul 8, 2013 |
| 8-K | Report | LIVE FILING | Jun 13, 2013 | Jun 7, 2013 |
| 8-K | Report | LIVE FILING | Jun 12, 2013 | Jun 10, 2013 |
| 8-K | Report | LIVE FILING | Jun 3, 2013 | May 29, 2013 |
| 8-K | Report | LIVE FILING | May 13, 2013 | May 7, 2013 |
| SC 13G/A | Report | May 1, 2013 | ||
| SC 13G/A | Report | May 1, 2013 | ||
| 8-K | Report | LIVE FILING | Apr 26, 2013 | Apr 22, 2013 |
| 10-Q | Report | Data | 10-Q | Apr 25, 2013 | Mar 31, 2013 |
| 8-K | Report | 8-K | Apr 25, 2013 | Apr 24, 2013 |
| 8-K/A | Report | LIVE FILING | Apr 9, 2013 | Apr 3, 2013 |
| 8-K | Report | LIVE FILING | Apr 5, 2013 | Apr 1, 2013 |
| 8-K | Report | LIVE FILING | Mar 15, 2013 | Mar 11, 2013 |
| 8-K | Report | FORM 8-K | Feb 21, 2013 | Feb 14, 2013 |
| SC 13G/A | Report | SC 13G/A | Feb 13, 2013 | |
| 8-K | Report | 8-K | Feb 12, 2013 | Feb 12, 2013 |
| 10-K | Report | Data | 10-K | Feb 12, 2013 | Dec 31, 2012 |
| SC 13G/A | Report | Feb 12, 2013 | ||
| SC 13G/A | Report | Feb 12, 2013 | ||
| SC 13G | Report | Feb 11, 2013 | ||
| SC 13G/A | Report | Feb 1, 2013 | ||
| 8-K | Report | LIVE FILING | Jan 24, 2013 | Jan 23, 2013 |
| 8-K/A | Report | LIVE FILING | Jan 18, 2013 | Jan 15, 2013 |
| 8-K | Report | LIVE FILING | Jan 4, 2013 | Dec 28, 2012 |
| 8-K | Report | LIVE FILING | Jan 3, 2013 | Dec 27, 2012 |
| 8-K | Report | 8-K | Dec 13, 2012 | Dec 6, 2012 |
| 8-K | Report | LIVE FILING | Dec 3, 2012 | Dec 3, 2012 |
| 8-K | Report | LIVE FILING | Nov 15, 2012 | Nov 9, 2012 |
| 10-Q | Report | Data | 10-Q | Oct 25, 2012 | Sep 30, 2012 |
| 8-K | Report | 8-K | Oct 25, 2012 | Oct 24, 2012 |
| 8-K | Report | 8-K | Oct 19, 2012 | Oct 16, 2012 |
| 8-K | Report | LIVE FILING | Sep 14, 2012 | Sep 11, 2012 |
| 8-K | Report | LIVE FILING | Sep 7, 2012 | Sep 5, 2012 |
| 8-K | Report | LIVE FILING | Aug 17, 2012 | Aug 13, 2012 |
| 8-K | Report | 8-K | Jul 31, 2012 | Jul 31, 2012 |
| 10-Q | Report | Data | 10-Q | Jul 26, 2012 | Jun 30, 2012 |
| 8-K | Report | 8-K | Jul 26, 2012 | Jul 25, 2012 |
| 8-K | Report | LIVE FILING | May 18, 2012 | May 15, 2012 |
| 8-K | Report | 8-K | May 14, 2012 | May 8, 2012 |
| 10-Q | Report | Data | 10-Q | Apr 26, 2012 | Mar 31, 2012 |
| 8-K | Report | 8-K | Apr 26, 2012 | Apr 25, 2012 |
| 8-K | Report | LIVE FILING | Apr 19, 2012 | Apr 19, 2012 |
| SC 13G/A | Report | SC 13G/A | Apr 10, 2012 | |
| 8-K | Report | LIVE FILING | Mar 19, 2012 | Mar 13, 2012 |
| 8-K | Report | LIVE FILING | Mar 14, 2012 | Mar 13, 2012 |
| 8-K | Report | LIVE FILING | Feb 17, 2012 | Feb 13, 2012 |
| 10-K | Report | Data | 10-K | Feb 16, 2012 | Dec 31, 2011 |
| 8-K | Report | 8-K | Feb 16, 2012 | Feb 15, 2012 |
| SC 13G | Report | Feb 10, 2012 | ||
| SC 13G/A | Report | SC 13G/A | Feb 10, 2012 | |
| 8-K | Report | FORM 8-K | Feb 9, 2012 | Feb 7, 2012 |
| SC 13G | Report | Feb 9, 2012 | ||
| 8-K | Report | 8-K | Jan 27, 2012 | Jan 26, 2012 |
| 8-K | Report | 8-K | Dec 13, 2011 | Dec 9, 2011 |
| 8-K | Report | 8-K | Nov 8, 2011 | Nov 8, 2011 |
| 10-Q | Report | Data | 10-Q | Nov 1, 2011 | Sep 30, 2011 |
| 8-K | Report | 8-K | Oct 28, 2011 | Oct 27, 2011 |
| 8-K | Report | FORM 8-K | Oct 13, 2011 | Sep 6, 2011 |
| 8-K | Report | 8-K | Sep 19, 2011 | Sep 13, 2011 |
| SC 13G/A | Report | AMENDMENT NO. 6 TO SCHEDULE 13G | Aug 19, 2011 | |
| 8-K | Report | 8-K | Aug 17, 2011 | Aug 11, 2011 |
| 8-K | Report | LIVE FILING | Aug 15, 2011 | Aug 15, 2011 |
| 10-Q | Report | Data | 10-Q | Jul 28, 2011 | Jun 30, 2011 |
| 8-K | Report | 8-K | Jul 28, 2011 | Jul 27, 2011 |
| 8-K | Report | LIVE FILING | Jul 7, 2011 | Jun 30, 2011 |
| 8-K | Report | CURRENT REPORT | Jun 28, 2011 | Jun 28, 2011 |
| 8-K | Report | CURRENT REPORT | Jun 8, 2011 | Jun 7, 2011 |
| 8-K/A | Report | AMENDMENT NO. 1 TO FORM 8-K | Jun 6, 2011 | May 10, 2011 |
| 8-K | Report | CURRENT REPORT | Jun 6, 2011 | Jun 2, 2011 |
| 8-K | Report | LIVE FILING | May 23, 2011 | May 17, 2011 |
| 8-K | Report | CURRENT REPORT | May 16, 2011 | May 10, 2011 |
| 8-K | Report | LIVE FILING | May 10, 2011 | May 6, 2011 |
| 10-Q | Report | Data | QUARTERLY REPORT | Apr 29, 2011 | Mar 31, 2011 |
| 8-K | Report | CURRENT REPORT | Apr 29, 2011 | Apr 28, 2011 |
| 8-K | Report | LIVE FILING | Apr 21, 2011 | Apr 20, 2011 |
| 8-K | Report | CURRENT REPORT | Apr 14, 2011 | Apr 8, 2011 |
| 8-K | Report | LIVE FILING | Mar 25, 2011 | Mar 23, 2011 |
| 8-K | Report | CURRENT REPORT | Mar 23, 2011 | Mar 23, 2011 |
| 8-K | Report | CURRENT REPORT | Mar 22, 2011 | Mar 16, 2011 |
| 8-K | Report | CURRENT REPORT | Mar 17, 2011 | Mar 16, 2011 |
| 8-K | Report | FORM 8-K | Mar 8, 2011 | Mar 4, 2011 |
| 10-K | Report | Data | FORM 10-K | Feb 17, 2011 | Dec 31, 2010 |
| 8-K | Report | CURRENT REPORT | Feb 17, 2011 | Feb 16, 2011 |
| SC 13G/A | Report | SEC FILING | Feb 14, 2011 | |
| SC 13G/A | Report | SC 13G/A | Feb 14, 2011 | |
| SC 13G/A | Report | AMENDMENT NO. 5 TO SCHEDULE 13G | Feb 10, 2011 | |
| 8-K | Report | LIVE FILING | Feb 9, 2011 | Feb 8, 2011 |
| 8-K | Report | LIVE FILING | Feb 9, 2011 | Jan 24, 2011 |
| 8-K | Report | LIVE FILING | Feb 8, 2011 | Feb 3, 2011 |
| 8-K | Report | CURRENT REPORT | Jan 18, 2011 | Jan 11, 2011 |
| 8-K | Report | LIVE FILING | Jan 14, 2011 | Jan 11, 2011 |
| 8-K | Report | LIVE FILING | Jan 12, 2011 | Jan 11, 2011 |
| 8-K | Report | CURRENT REPORT | Jan 11, 2011 | Jan 11, 2011 |
| 8-K | Report | LIVE FILING | Jan 7, 2011 | Jan 6, 2011 |
| 8-K | Report | LIVE FILING | Dec 22, 2010 | Dec 20, 2010 |
| 8-K | Report | LIVE FILING | Dec 20, 2010 | Dec 17, 2010 |
| 8-K | Report | CURRENT REPORT | Dec 14, 2010 | Dec 11, 2010 |
| 8-K | Report | LIVE FILING | Nov 9, 2010 | Nov 9, 2010 |
| 10-Q | Report | Data | QUARTERLY REPORT | Oct 29, 2010 | Sep 30, 2010 |
| 8-K | Report | CURRENT REPORT | Oct 29, 2010 | Oct 28, 2010 |
| 8-K | Report | LIVE FILING | Sep 21, 2010 | Sep 20, 2010 |
| 8-K | Report | CURRENT REPORT | Sep 20, 2010 | Sep 15, 2010 |
| 8-K | Report | LIVE FILING | Sep 15, 2010 | Sep 15, 2010 |
| 8-K | Report | LIVE FILING | Sep 14, 2010 | Sep 13, 2010 |
| 8-K | Report | LIVE FILING | Aug 6, 2010 | Aug 2, 2010 |
| 8-K | Report | LIVE FILING | Aug 2, 2010 | Aug 2, 2010 |
| 10-Q | Report | Data | QUARTERLY REPORT | Jul 29, 2010 | Jun 30, 2010 |
| 8-K | Report | CURRENT REPORT | Jul 29, 2010 | Jul 28, 2010 |
| 8-K | Report | LIVE FILING | Jul 27, 2010 | Jul 27, 2010 |
| 8-K | Report | LIVE FILING | Jul 20, 2010 | Jul 19, 2010 |
| 8-K | Report | LIVE FILING | Jul 15, 2010 | Jul 13, 2010 |
| 8-K | Report | LIVE FILING | Jul 7, 2010 | Jul 2, 2010 |
| 8-K | Report | LIVE FILING | Jul 6, 2010 | Jul 6, 2010 |
| 8-K | Report | LIVE FILING | Jun 28, 2010 | Jun 25, 2010 |
| 8-K | Report | LIVE FILING | Jun 16, 2010 | Jun 14, 2010 |
| SC 13G/A | Report | Jun 10, 2010 | ||
| 8-K | Report | LIVE FILING | Jun 7, 2010 | Jun 7, 2010 |
| 8-K | Report | LIVE FILING | Jun 2, 2010 | May 31, 2010 |
| 8-K | Report | LIVE FILING | May 25, 2010 | May 24, 2010 |
| 8-K | Report | LIVE FILING | May 14, 2010 | May 11, 2010 |
| 8-K | Report | LIVE FILING | May 12, 2010 | May 11, 2010 |
| 10-Q | Report | QUARTERLY REPORT | Apr 29, 2010 | Mar 31, 2010 |
| 8-K | Report | CURRENT REPORT | Apr 29, 2010 | Apr 28, 2010 |
| 8-K | Report | CURRENT REPORT | Mar 16, 2010 | Mar 10, 2010 |
| 8-K | Report | LIVE FILING | Mar 12, 2010 | Mar 11, 2010 |
| 8-K | Report | CURRENT REPORT | Mar 10, 2010 | Mar 8, 2010 |
| 8-K | Report | CURRENT REPORT | Mar 10, 2010 | Mar 9, 2010 |
| 10-K | Report | Data | FORM 10-K | Feb 18, 2010 | Dec 31, 2009 |
| 8-K | Report | CURRENT REPORT | Feb 18, 2010 | Feb 17, 2010 |
| SC 13G/A | Report | SEC FILING | Feb 12, 2010 | |
| SC 13G | Report | SC 13G | Feb 11, 2010 | |
| SC 13G/A | Report | AMENDMENT NO. 4 TO SCHEDULE 13G | Feb 8, 2010 | |
| 8-K | Report | LIVE FILING | Feb 3, 2010 | Feb 1, 2010 |
| SC 13G | Report | Jan 29, 2010 | ||
| 8-K | Report | LIVE FILING | Jan 25, 2010 | Jan 25, 2010 |
| 8-K | Report | LIVE FILING | Jan 13, 2010 | Jan 12, 2010 |