| SC 13D/A | 2018-03-14 | ENERGY CAPITAL PARTNERS III, LP | CALPINE CORP | 1,051,597 | 100.0% | EDGAR |
| SC 13D/A | 2018-03-09 | CANADA PENSION PLAN INVESTMENT BOARD | CALPINE CORP | 0 | 0.0% | EDGAR |
| SC 13G/A | 2018-02-14 | HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | CALPINE CORP | 10,549,342 | 2.9% | EDGAR |
| SC 13G/A | 2018-02-08 | VANGUARD GROUP INC | CALPINE CORP | 30,901,060 | 8.6% | EDGAR |
| SC 13G/A | 2017-10-10 | HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | CALPINE CORP | 19,323,810 | 5.4% | EDGAR |
| SC 13G/A | 2017-09-11 | SailingStone Capital Partners LLC | CALPINE CORP | 14,310,504 | 4.0% | EDGAR |
| SC 13D | 2017-08-28 | CANADA PENSION PLAN INVESTMENT BOARD | CALPINE CORP | 2,111,215 | 0.6% | EDGAR |
| SC 13D | 2017-08-25 | ENERGY CAPITAL PARTNERS III, LP | CALPINE CORP | 17,500,000 | 4.9% | EDGAR |
| SC 13D | 2017-08-25 | BlackRock Inc. | CALPINE CORP | 15,776,301 | 4.4% | EDGAR |
| SC 13G/A | 2017-06-08 | BlackRock Inc. | CALPINE CORP | 16,699,195 | 4.6% | EDGAR |
| SC 13G/A | 2017-02-14 | VIKING GLOBAL INVESTORS LP | CALPINE CORP | 0 | 0.0% | EDGAR |
| SC 13G/A | 2017-02-10 | VANGUARD GROUP INC | CALPINE CORP | 28,204,288 | 7.8% | EDGAR |
| SC 13G/A | 2017-02-10 | HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | CALPINE CORP | 42,518,410 | 11.8% | EDGAR |
| SC 13G/A | 2017-02-10 | SailingStone Capital Partners LLC | CALPINE CORP | 37,028,214 | 10.3% | EDGAR |
| SC 13G/A | 2017-01-23 | BlackRock Inc. | CALPINE CORP | 19,015,509 | 5.3% | EDGAR |
| SC 13G | 2016-12-12 | SailingStone Capital Partners LLC | CALPINE CORP | 36,884,520 | 10.3% | EDGAR |
| SC 13G | 2016-07-05 | VIKING GLOBAL INVESTORS LP | CALPINE CORP | 20,540,332 | 5.7% | EDGAR |
| SC 13G/A | 2016-02-16 | Brahman Capital Corp. | CALPINE CORP | 0 | 0.0% | EDGAR |
| SC 13G/A | 2016-02-12 | HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | CALPINE CORP | 39,973,013 | 11.2% | EDGAR |
| SC 13G/A | 2016-02-10 | VANGUARD GROUP INC | CALPINE CORP | 24,983,343 | 7.0% | EDGAR |