ActivistActivist / 5%+ stake disclosed (SCHEDULE 13D/A)
- Sector
- Energy
- Industry
- Crude Petroleum & Natural Gas
- Exchange
- NYSE
- State of incorporation
- DE
- Form
- SCHEDULE 13D/A
- Filed
- May 28, 2026
Filings & documents
Every entry traces to SEC EDGAR. The Information Statement is the primary source; the links below open the full filing and each company's complete filing history.
Source filing ↗SCHEDULE 13D/A · the filing we parseAll documents in this filing ↗accession 0001140361-26-023207Riley Exploration Permian, Inc. — all SEC filings ↗EDGAR company pageYorktown Energy Partners XI, L.P. — 8-K announcements ↗where the spin-off was announcedYorktown Energy Partners XI, L.P. — all SEC filings ↗parent EDGAR company page