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.

Diversified Energy Co SEC filings
Form Description Filed Period
8-K Current report
Results of operations, Regulation FD disclosure
Nov 4, 2026 Nov 4, 2026
10-Q Quarterly report Nov 4, 2026 Sep 30, 2026
8-K Current report
Material agreement, New debt
Nov 2, 2026 Oct 27, 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
4 Insider transaction Oct 1, 2026 Sep 30, 2026
SD Specialized disclosure (conflict minerals) Sep 28, 2026 —
8-K/A Amended current report Sep 18, 2026 Jul 2, 2026
8-K Current report
Material agreement
Sep 9, 2026 Sep 2, 2026
8-K Current report
Regulation FD disclosure
Sep 3, 2026 Sep 2, 2026
SCHEDULE 13G/A Amended ownership over 5% (passive) Aug 14, 2026 —
8-K Current report
Regulation FD disclosure
Aug 14, 2026 Aug 14, 2026
8-K Current report
Officer or director change, Regulation FD disclosure
Aug 10, 2026 Aug 5, 2026
4 Insider transaction Aug 7, 2026 Aug 5, 2026
8-K Current report
Results of operations, Regulation FD disclosure
Aug 5, 2026 Aug 5, 2026
10-Q Quarterly report Aug 5, 2026 Jun 30, 2026
SCHEDULE 13G/A Amended ownership over 5% (passive) Jul 28, 2026 —
8-K/A Amended current report Jul 14, 2026 Apr 30, 2026
8-K Current report
Material agreement, Acquisition or sale of assets, New debt
Jul 6, 2026 Jul 2, 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
8-K Current report
Officer or director change, Regulation FD disclosure
May 21, 2026 May 20, 2026
8-K Current report
Material agreement, New debt
May 19, 2026 May 13, 2026
8-K Current report
Material agreement, Regulation FD disclosure
May 12, 2026 May 6, 2026
8-K Current report
Shareholder vote results
May 12, 2026 May 6, 2026
SCHEDULE 13G Ownership over 5% (passive) May 7, 2026 —
8-K Current report
Results of operations, Regulation FD disclosure
May 6, 2026 May 6, 2026
10-Q Quarterly report May 6, 2026 Mar 31, 2026
8-K Current report
Acquisition or sale of assets, Regulation FD disclosure
May 1, 2026 Apr 30, 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 —
ARS Annual report to shareholders Mar 24, 2026 Dec 31, 2025
DEFA14A Additional proxy material Mar 24, 2026 —
DEF 14A Proxy statement Mar 24, 2026 May 6, 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 —
8-K Current report
Material agreement
Mar 12, 2026 Mar 9, 2026
424B7 Filing Mar 11, 2026 —
424B7 Filing Mar 10, 2026 —
S-3ASR Automatic shelf registration Mar 9, 2026 —
8-K Current report
Other events
Mar 6, 2026 Mar 6, 2026
8-K Current report
Material agreement, Regulation FD disclosure
Mar 4, 2026 Feb 26, 2026
8-K Current report
Results of operations, Regulation FD disclosure
Feb 26, 2026 Feb 26, 2026
10-K Annual report Feb 26, 2026 Dec 31, 2025
8-K Current report
Material agreement, New debt
Feb 10, 2026 Feb 5, 2026
8-K/A Amended current report Feb 6, 2026 Nov 24, 2025
8-K Current report
Other events
Jan 28, 2026 Jan 28, 2026
4 Insider transaction Jan 26, 2026 Jan 23, 2026
8-K Current report
Officer or director change, Regulation FD disclosure
Jan 26, 2026 Jan 23, 2026
8-K Current report
Other events
Jan 23, 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
8-K Current report
Officer or director change
Jan 7, 2026 Dec 31, 2025
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
15-12G Deregistration Dec 4, 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
8-K Current report
Acquisition or sale of assets, Unregistered share sale
Nov 26, 2025 Nov 24, 2025
S-8 POS Filing Nov 25, 2025 —
S-8 POS Filing Nov 25, 2025 —
S-8 Employee stock plan registration Nov 25, 2025 —
25-NSE Delisting notice Nov 24, 2025 —
POSASR Filing Nov 24, 2025 —
POSASR Filing Nov 24, 2025 —
8-K12B Filing Nov 24, 2025 Nov 21, 2025
6-K Current report (foreign issuer) Nov 21, 2025 Nov 21, 2025
6-K Current report (foreign issuer) Nov 20, 2025 Nov 19, 2025
SCHEDULE 13G Ownership over 5% (passive) Nov 14, 2025 —
6-K Current report (foreign issuer) Nov 10, 2025 Nov 10, 2025
6-K Current report (foreign issuer) Nov 6, 2025 Nov 5, 2025
6-K Current report (foreign issuer) Oct 17, 2025 Oct 17, 2025
6-K Current report (foreign issuer) Oct 9, 2025 Oct 9, 2025
6-K Current report (foreign issuer) Sep 30, 2025 Sep 30, 2025
SCHEDULE 13D/A Amended ownership over 5% (active) Sep 22, 2025 —
424B7 Filing Sep 18, 2025 —
6-K Current report (foreign issuer) Sep 17, 2025 Sep 17, 2025
6-K Current report (foreign issuer) Sep 16, 2025 Sep 16, 2025
SD Specialized disclosure (conflict minerals) Sep 16, 2025 —
424B7 Filing Sep 16, 2025 —
6-K Current report (foreign issuer) Sep 9, 2025 Sep 9, 2025
6-K Current report (foreign issuer) Aug 13, 2025 Aug 13, 2025
6-K Current report (foreign issuer) Aug 11, 2025 Jun 30, 2025
SCHEDULE 13G Ownership over 5% (passive) Jul 29, 2025 —
UPLOAD Letter from the SEC Jun 16, 2025 —
CORRESP Letter to the SEC Jun 6, 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 —
6-K Current report (foreign issuer) May 28, 2025 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 —
UPLOAD Letter from the SEC May 22, 2025 —
S-8 Employee stock plan registration May 16, 2025 —
F-3ASR Filing May 16, 2025 —
6-K Current report (foreign issuer) May 16, 2025 May 16, 2025
SCHEDULE 13G Ownership over 5% (passive) May 15, 2025 —
6-K Current report (foreign issuer) May 12, 2025 May 12, 2025
SCHEDULE 13G/A Amended ownership over 5% (passive) Apr 30, 2025 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Apr 23, 2025 —
6-K Current report (foreign issuer) Apr 14, 2025 Apr 14, 2025
6-K Current report (foreign issuer) Apr 9, 2025 Apr 9, 2025
SCHEDULE 13G Ownership over 5% (passive) Apr 2, 2025 —
6-K Current report (foreign issuer) Mar 28, 2025 Mar 28, 2025
6-K Current report (foreign issuer) Mar 20, 2025 Mar 20, 2025
6-K Current report (foreign issuer) Mar 17, 2025 Mar 17, 2025
20-F Annual report (foreign issuer) Mar 17, 2025 Dec 31, 2024
6-K Current report (foreign issuer) Mar 14, 2025 Mar 14, 2025
6-K Current report (foreign issuer) Mar 10, 2025 Mar 10, 2025
6-K Current report (foreign issuer) Feb 21, 2025 Feb 21, 2025
424B5 Prospectus supplement Feb 21, 2025 —
6-K Current report (foreign issuer) Feb 20, 2025 Feb 20, 2025
424B5 Prospectus supplement Feb 19, 2025 —
F-3ASR Filing Feb 11, 2025 —
6-K Current report (foreign issuer) Feb 11, 2025 Feb 11, 2025
SCHEDULE 13G Ownership over 5% (passive) Jan 30, 2025 —
6-K Current report (foreign issuer) Jan 27, 2025 Jan 27, 2025
6-K Current report (foreign issuer) Nov 12, 2024 Nov 12, 2024
6-K Current report (foreign issuer) Oct 30, 2024 Oct 30, 2024
SC 13G/A Amended ownership over 5% (passive) Oct 3, 2024 —
EFFECT Filing Sep 11, 2024 —
424B3 Prospectus Sep 11, 2024 —
CORRESP Letter to the SEC Sep 9, 2024 —
UPLOAD Letter from the SEC Aug 28, 2024 —
F-1 Registration statement (foreign issuer) Aug 20, 2024 —
6-K Current report (foreign issuer) Aug 20, 2024 Aug 20, 2024
6-K Current report (foreign issuer) Aug 20, 2024 Aug 20, 2024
6-K Current report (foreign issuer) Aug 16, 2024 Aug 16, 2024
6-K Current report (foreign issuer) Aug 15, 2024 Aug 15, 2024
SC 13G Ownership over 5% (passive) Aug 7, 2024 —
6-K Current report (foreign issuer) Jul 10, 2024 Jul 10, 2024
6-K Current report (foreign issuer) Jun 7, 2024 Jun 7, 2024
6-K Current report (foreign issuer) Jun 3, 2024 Jun 3, 2024
6-K Current report (foreign issuer) May 28, 2024 May 28, 2024
6-K Current report (foreign issuer) May 10, 2024 May 10, 2024

Showing 200 filings, the most recent 200. 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.

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.