| SC 13D/A | 2020-05-12 | ENEL SOCIETA PER AZIONI | Enel Chile S.A. | 44,907,055,101 | 64.9% | EDGAR |
| SC 13D/A | 2020-03-19 | ENEL SOCIETA PER AZIONI | Enel Chile S.A. | 43,143,307,892 | 62.4% | EDGAR |
| SC 13D/A | 2019-12-09 | ENEL SOCIETA PER AZIONI | Enel Chile S.A. | 42,832,058,392 | 61.9% | EDGAR |
| SC 13D/A | 2018-03-27 | ENEL SOCIETA PER AZIONI | Enel Chile S.A. | 42,832,058,393 | 61.9% | EDGAR |
| SC 13D/A | 2018-03-26 | Enel Chile S.A. | ENEL GENERACION CHILE S.A. | 7,672,584,961 | 93.6% | EDGAR |
| SC 13D/A | 2017-12-01 | Enel Chile S.A. | ENEL GENERACION CHILE S.A. | 4,919,488,794 | 60.0% | EDGAR |
| SC 13D/A | 2017-10-27 | Enel Chile S.A. | ENEL GENERACION CHILE S.A. | 4,919,488,794 | 60.0% | EDGAR |
| SC 13D/A | 2017-09-01 | ENEL SOCIETA PER AZIONI | Enel Chile S.A. | 29,762,213,531 | 60.6% | EDGAR |
| SC 13D | 2016-08-12 | ENEL SOCIETA PER AZIONI | Enersis Chile S.A. | 29,762,213,531 | 60.6% | EDGAR |