SEC Filings
| Filer | Filing date | Form | Description | Filing Group | View |
|---|---|---|---|---|---|
| PREC14A | Preliminary proxy statement containing contested solicitations |
Proxy Filings
|
View HTML | ||
| PICKENS ERIN D | 4 | Statement of changes in beneficial ownership of securities |
3,4,5
|
View HTML | |
| ARMSTRONG WILLIAM H III | 4 | Statement of changes in beneficial ownership of securities |
3,4,5
|
View HTML | |
| 8-K | Report of unscheduled material events or corporate event |
Current Reports
|
EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML | ||
| 8-A12B/A | Amendment to a previously filed 8-A12B |
Registration Statements
|
View HTML | ||
| 10-K | Annual report which provides a comprehensive overview of the company for the past year |
Annual Filings
|
EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML | ||
| PICKENS ERIN D | 4 | Statement of changes in beneficial ownership of securities |
3,4,5
|
View HTML | |
| ARMSTRONG WILLIAM H III | 4 | Statement of changes in beneficial ownership of securities |
3,4,5
|
View HTML | |
| DFAN14A | Additional proxy soliciting materials filed by non-management |
Proxy Filings
|
View HTML | ||
| DEFA14A | Additional proxy soliciting materials - definitive |
Proxy Filings
|
View HTML |
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