| SC 13D/A | 2023-12-11 | Yorktown Energy Partners IX, L.P. | Ramaco Resources, Inc. | 1,087,363 | 12.4% | EDGAR |
| SC 13D/A | 2023-12-08 | Yorktown Energy Partners X, L.P. | Ramaco Resources, Inc. | 3,230,031 | 7.4% | EDGAR |
| SC 13D/A | 2023-11-21 | Yorktown Energy Partners IX, L.P. | Ramaco Resources, Inc. | 5,132,031 | 11.7% | EDGAR |
| SC 13D/A | 2023-11-21 | Yorktown Energy Partners XI, L.P. | Ramaco Resources, Inc. | 5,111,621 | 11.6% | EDGAR |
| SC 13D | 2023-07-03 | Yorktown Energy Partners IX, L.P. | Ramaco Resources, Inc. | 1,121,888 | 12.0% | EDGAR |
| SC 13D/A | 2022-06-02 | Yorktown Energy Partners IX, L.P. | Ramaco Resources, Inc. | 5,609,440 | 12.7% | EDGAR |
| SC 13D/A | 2022-05-26 | Yorktown Energy Partners IX, L.P. | Ramaco Resources, Inc. | 6,284,547 | 14.2% | EDGAR |
| SC 13D/A | 2022-05-19 | Yorktown Energy Partners IX, L.P. | Ramaco Resources, Inc. | 6,960,154 | 15.7% | EDGAR |
| SC 13D/A | 2022-03-24 | ENERGY CAPITAL PARTNERS MEZZANINE OPPORTUNITIES FUND, LP | Ramaco Resources, Inc. | 113,762 | 0.0% | EDGAR |
| SC 13D/A | 2022-03-08 | Yorktown Energy Partners IX, L.P. | Ramaco Resources, Inc. | 7,609,440 | 17.3% | EDGAR |
| SC 13D/A | 2021-11-08 | Yorktown Energy Partners IX, L.P. | Ramaco Resources, Inc. | 8,971,525 | 20.3% | EDGAR |
| SC 13D/A | 2019-05-31 | Yorktown Energy Partners IX, L.P. | Ramaco Resources, Inc. | 11,471,525 | 28.1% | EDGAR |
| SC 13D/A | 2019-03-28 | Yorktown Energy Partners IX, L.P. | Ramaco Resources, Inc. | 11,971,525 | 29.3% | EDGAR |
| SC 13D/A | 2018-10-22 | Yorktown Energy Partners IX, L.P. | Ramaco Resources, Inc. | 12,971,525 | 32.4% | EDGAR |
| SC 13D/A | 2017-06-02 | ENERGY CAPITAL PARTNERS MEZZANINE OPPORTUNITIES FUND, LP | Ramaco Resources, Inc. | 222,634 | 0.6% | EDGAR |
| SC 13D | 2017-02-21 | ENERGY CAPITAL PARTNERS MEZZANINE OPPORTUNITIES FUND, LP | Ramaco Resources, Inc. | 222,634 | 0.6% | EDGAR |
| SC 13D | 2017-02-21 | Yorktown Energy Partners X, L.P. | Ramaco Resources, Inc. | 3,692,881 | 9.5% | EDGAR |
| SC 13D | 2017-02-21 | Yorktown Energy Partners XI, L.P. | Ramaco Resources, Inc. | 5,587,127 | 14.3% | EDGAR |
| SC 13D | 2017-02-21 | Yorktown Energy Partners IX, L.P. | Ramaco Resources, Inc. | 14,771,525 | 37.8% | EDGAR |