| Filed | Form | Description | |
|---|---|---|---|
| 2/18/26 | DEF 14A | DEF 14A | → |
| 2/19/25 | DEF 14A | DEF 14A | → |
| 2/15/24 | DEF 14A | DEF 14A | → |
| 2/24/23 | DEF 14A | DEF 14A | → |
| 2/16/22 | DEF 14A | DEF 14A | → |
| 2/23/21 | DEF 14A | DEF 14A | → |
| ↓ | |||
| Filed | Form | Description | |
|---|---|---|---|
| 2/20/26 | 3 | PRIMARY DOCUMENT | → |
| 2/13/26 | 13F-HR | 13F-HR | → |
| 2/12/26 | 5 | PRIMARY DOCUMENT | → |
| 2/6/26 | 5 | PRIMARY DOCUMENT | → |
| 2/6/26 | 5 | PRIMARY DOCUMENT | → |
| 2/6/26 | 5 | PRIMARY DOCUMENT | → |
| ↓ | |||
, is a closed-end investment company, specializing in securities of companies engaged in petroleum, natural resources or related industries or in interests in petroleum or natural resources. The company has consistently owned shares of a representative group of oil companies.