Diversified Energy Co SEC filings DEC
Diversified Energy Co has 246 filings in SEC EDGAR's recent list, going back to Jun 3, 2022. Its latest annual report, Form ARS, was filed on Mar 24, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 4, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Oct 1, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 1, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 1, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 1, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 1, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 1, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 1, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 1, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 1, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 1, 2026 | Sep 30, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| 4 | Insider transaction | Aug 7, 2026 | Aug 5, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 28, 2026 | — |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | Jun 1, 2026 |
| 3 | Initial insider ownership | May 26, 2026 | May 21, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 7, 2026 | — |
| 4 | Insider transaction | Apr 2, 2026 | Mar 31, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Mar 31, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Mar 31, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Mar 31, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Mar 31, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Mar 31, 2026 |
| 4 | Insider transaction | Mar 30, 2026 | Mar 26, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 26, 2026 | — |
| 4 | Insider transaction | Mar 23, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Mar 23, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Mar 23, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Mar 23, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Mar 23, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Mar 23, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 16, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 13, 2026 | — |
| 4 | Insider transaction | Jan 26, 2026 | Jan 23, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jan 12, 2026 | — |
| 4 | Insider transaction | Jan 12, 2026 | Jan 9, 2026 |
| 144 | Notice of proposed sale | Jan 8, 2026 | — |
| 4 | Insider transaction | Jan 7, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 7, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 7, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 7, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 7, 2026 | Jan 5, 2026 |
| 4 | Insider transaction | Jan 7, 2026 | Jan 5, 2026 |
| 4 | Insider transaction | Jan 7, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 7, 2026 | Jan 5, 2026 |
| 4 | Insider transaction | Jan 7, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 7, 2026 | Jan 5, 2026 |
| 4 | Insider transaction | Jan 7, 2026 | Jan 5, 2026 |
| 3/A | Filing | Dec 15, 2025 | Nov 21, 2025 |
| 3 | Initial insider ownership | Dec 11, 2025 | Nov 21, 2025 |
| 3 | Initial insider ownership | Dec 9, 2025 | Nov 21, 2025 |
| 3 | Initial insider ownership | Dec 8, 2025 | Nov 21, 2025 |
| 3 | Initial insider ownership | Dec 4, 2025 | Nov 21, 2025 |
| 3 | Initial insider ownership | Dec 3, 2025 | Nov 21, 2025 |
| 3 | Initial insider ownership | Dec 1, 2025 | Nov 21, 2025 |
| 3 | Initial insider ownership | Dec 1, 2025 | Nov 21, 2025 |
| 3 | Initial insider ownership | Dec 1, 2025 | Nov 21, 2025 |
| 3 | Initial insider ownership | Dec 1, 2025 | Nov 21, 2025 |
| 3 | Initial insider ownership | Dec 1, 2025 | Nov 21, 2025 |
| 3 | Initial insider ownership | Dec 1, 2025 | Nov 21, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Sep 22, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 29, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 29, 2025 | — |
| SCHEDULE 13D | Ownership over 5% (active) | May 29, 2025 | — |
| 144 | Notice of proposed sale | May 28, 2025 | — |
| 144 | Notice of proposed sale | May 27, 2025 | — |
| 144 | Notice of proposed sale | May 27, 2025 | — |
| 144 | Notice of proposed sale | May 27, 2025 | — |
| 144 | Notice of proposed sale | May 27, 2025 | — |
| 144 | Notice of proposed sale | May 27, 2025 | — |
| 144 | Notice of proposed sale | May 27, 2025 | — |
| 144 | Notice of proposed sale | May 27, 2025 | — |
| 144 | Notice of proposed sale | May 27, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 30, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 23, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 2, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 30, 2025 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 3, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Aug 7, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Apr 29, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 7, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 6, 2024 | — |
Showing 104 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Crude Petroleum & Natural Gas (SIC 1311)
- Listed as
- DEC (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Birmingham, AL
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1922446
- Former names
- Diversified Energy Co PLC (until Dec 1, 2025)
Other Crude Petroleum & Natural Gas companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.