| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13D/A | 2021-10-12 | ADAGE CAPITAL PARTNERS GP, L.L.C. | CIMAREX ENERGY CO | - | 0.0% | EDGAR |
| SC 13D/A | 2021-07-08 | ADAGE CAPITAL PARTNERS GP, L.L.C. | CIMAREX ENERGY CO | 6,761,192 | 6.6% | EDGAR |
| SC 13D | 2021-06-14 | ADAGE CAPITAL PARTNERS GP, L.L.C. | CIMAREX ENERGY CO | 5,295,121 | 5.2% | EDGAR |
| SC 13G/A | 2021-04-12 | VANGUARD GROUP INC | CIMAREX ENERGY CO | 10,350,389 | 10.1% | EDGAR |
| SC 13G | 2021-02-16 | Capital World Investors | CIMAREX ENERGY CO | 5,388,122 | 5.3% | EDGAR |
| SC 13G/A | 2021-02-12 | STATE STREET CORP | CIMAREX ENERGY CO | - | 4.4% | EDGAR |
| SC 13G/A | 2021-02-12 | Boston Partners | CIMAREX ENERGY CO | 1,091,776 | 1.1% | EDGAR |
| SC 13G/A | 2021-02-11 | DIAMOND HILL CAPITAL MANAGEMENT INC | CIMAREX ENERGY CO | 2,297,250 | 2.3% | EDGAR |
| SC 13G/A | 2021-02-10 | VANGUARD GROUP INC | CIMAREX ENERGY CO | 9,867,586 | 9.7% | EDGAR |
| SC 13G/A | 2021-01-29 | BlackRock Inc. | CIMAREX ENERGY CO | 8,672,585 | 8.5% | EDGAR |
| SC 13G | 2020-02-14 | STATE STREET CORP | CIMAREX ENERGY CO | - | 5.4% | EDGAR |
| SC 13G/A | 2020-02-12 | VANGUARD GROUP INC | CIMAREX ENERGY CO | 11,044,726 | 10.8% | EDGAR |
| SC 13G/A | 2020-02-12 | DIAMOND HILL CAPITAL MANAGEMENT INC | CIMAREX ENERGY CO | 5,198,099 | 5.1% | EDGAR |
| SC 13G/A | 2020-02-10 | Boston Partners | CIMAREX ENERGY CO | 7,686,537 | 7.6% | EDGAR |
| SC 13G/A | 2020-02-05 | BlackRock Inc. | CIMAREX ENERGY CO | 6,157,730 | 6.0% | EDGAR |
| SC 13D/A | 2019-03-01 | CIMAREX ENERGY CO | Resolute Energy Corp | 0 | 0.0% | EDGAR |
| SC 13D/A | 2019-02-26 | CIMAREX ENERGY CO | Resolute Energy Corp | 1,202,458 | 5.2% | EDGAR |
| SC 13G | 2019-02-14 | STATE STREET CORP | CIMAREX ENERGY CO | - | 5.6% | EDGAR |
| SC 13G | 2019-02-14 | Boston Partners | CIMAREX ENERGY CO | 5,874,052 | 6.1% | EDGAR |
| SC 13G | 2019-02-12 | DIAMOND HILL CAPITAL MANAGEMENT INC | CIMAREX ENERGY CO | 6,200,961 | 6.5% | EDGAR |