FILINGS
| BKH 0001130464 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2021-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-26 | 10-K | 10-K | View Document |
| 2021-02-25 | 8-K | 8-K | View Document |
| 2021-02-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-11 | SC 13G | View Document | |
| 2021-02-10 | SC 13G/A | SCHEDULE 13G/A | View Document |
| 2021-02-09 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-09 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-09 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-09 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-09 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-09 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-09 | 8-K | 8-K | View Document |
| 2021-02-08 | 5 | PRIMARY DOCUMENT | View Document |
| 2021-02-08 | 5 | PRIMARY DOCUMENT | View Document |
| 2021-02-08 | 5 | PRIMARY DOCUMENT | View Document |
| 2021-02-08 | 5 | PRIMARY DOCUMENT | View Document |
| 2021-02-08 | 5 | PRIMARY DOCUMENT | View Document |
| 2021-02-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-04 | SC 13G/A | SEC SCHEDULE 13G | View Document |
| 2021-01-26 | SC 13G/A | View Document | |
| 2021-01-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-11-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-11-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-11-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-11-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-11-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-11-03 | 10-Q | 10-Q | View Document |
| 2020-11-02 | 8-K | 8-K | View Document |
| 2020-10-29 | 3 | PRIMARY DOCUMENT | View Document |
| 2020-10-09 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-10-09 | 3 | PRIMARY DOCUMENT | View Document |
| 2020-10-09 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-10-09 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-10-09 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-10-09 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-10-09 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-10-09 | 3 | PRIMARY DOCUMENT | View Document |
| 2020-09-18 | 8-K | 8-K | View Document |
| 2020-09-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-09-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-09-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-09-03 | 4/A | PRIMARY DOCUMENT | View Document |
| 2020-09-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-09-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-09-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-09-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-09-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-09-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-09-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-09-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-09-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-08-27 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-08-27 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-08-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-08-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-08-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-08-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-08-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-08-04 | 10-Q | 10-Q | View Document |
| 2020-08-04 | 424B5 | 424B5 | View Document |
| 2020-08-04 | 8-K | FORM 8-K | View Document |
| 2020-08-04 | S-3ASR | UNIVERSAL SHELF REGISTRATION STATEMENT | View Document |
| 2020-08-04 | S-3ASR | S-3ASR | View Document |
| 2020-08-04 | 8-K | 8-K | View Document |
| 2020-07-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-07-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-07-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-07-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-06-22 | 11-K | 11-K | View Document |
| 2020-06-17 | 8-K | FORM 8-K | View Document |
| 2020-06-16 | 424B2 | 424B2 | View Document |
| 2020-06-12 | FWP | FWP | View Document |
| 2020-06-12 | 424B5 | 424B5 | View Document |
| 2020-06-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-06-02 | 4 | PRIMARY DOCUMENT | View Document |
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