FILINGS
| BKH 0001130464 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2020-02-12 | SC 13G/A | SCHEDULE 13G/A | View Document |
| 2020-02-11 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-02-11 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-02-11 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-02-11 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-02-11 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-02-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-02-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-02-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-02-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-02-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-02-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-02-06 | 8-K | 8-K | View Document |
| 2020-02-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-02-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-02-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-02-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-02-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-02-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-02-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-02-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-02-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-02-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-02-04 | SC 13G/A | View Document | |
| 2020-01-29 | 5 | PRIMARY DOCUMENT | View Document |
| 2020-01-29 | 5 | PRIMARY DOCUMENT | View Document |
| 2020-01-29 | 5 | PRIMARY DOCUMENT | View Document |
| 2020-01-29 | 5 | PRIMARY DOCUMENT | View Document |
| 2020-01-29 | 5 | PRIMARY DOCUMENT | View Document |
| 2020-01-28 | SC 13G | SEC SCHEDULE 13G | View Document |
| 2020-01-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-01-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-01-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-01-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-01-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-01-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-11-25 | 3 | PRIMARY DOCUMENT | View Document |
| 2019-11-25 | 3 | PRIMARY DOCUMENT | View Document |
| 2019-11-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-11-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-11-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-11-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-11-05 | 10-Q | 10-Q | View Document |
| 2019-11-04 | 8-K | 8-K | View Document |
| 2019-11-04 | 8-K | 8-K | View Document |
| 2019-10-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-10-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-10-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-10-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-10-04 | 8-K | FORM 8-K | View Document |
| 2019-10-01 | 8-K | FORM 8-K | View Document |
| 2019-09-30 | 424B2 | FINAL PROSPECTUS SUPPLEMENT DATED SEPTEMBER 26, 2019 | View Document |
| 2019-09-26 | FWP | PRICING TERM SHEET - 3.050% NOTES DUE 2029 & 3.875% NOTES DUE 2049 | View Document |
| 2019-09-26 | 424B5 | 424B5 | View Document |
| 2019-09-25 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-09-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-09-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-09-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-09-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-09-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-09-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-09-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-08-20 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-08-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-08-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-08-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-08-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-08-06 | 10-Q | 10-Q | View Document |
| 2019-08-05 | 8-K | 8-K | View Document |
| 2019-07-25 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-07-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-07-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-07-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-06-25 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-06-21 | 11-K | 11-K | View Document |
| 2019-06-18 | 8-K | 8-K | View Document |
| 2019-06-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-06-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-06-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-06-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-06-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-06-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-06-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-06-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-06-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-05-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-05-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-05-03 | 8-K | 8-K ANNUAL MEETING 043019 | View Document |
| 2019-05-03 | 10-Q | 10-Q | View Document |
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