Form 8-K
8-K — Diversified Energy Co
Accession: 0001922446-26-000053
Filed: 2026-05-21
Period: 2026-05-20
CIK: 0001922446
SIC: 1311 (CRUDE PETROLEUM & NATURAL GAS)
Item: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
Item: Regulation FD Disclosure
Item: Financial Statements and Exhibits
Documents
8-K — dec-20260520.htm (Primary)
EX-99.1 (kirkoliverbodannouncementv.htm)
XML — IDEA: XBRL DOCUMENT (R1.htm)
8-K
8-K (Primary)
Filename: dec-20260520.htm · Sequence: 1
dec-20260520
FALSE000192244600019224462026-05-202026-05-20
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section13 or 15(d)
of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): May 20, 2026
Diversified Energy Company
(Exact name of registrant as specified in its charter)
Delaware
001-41870
41-2283606
(State or Other Jurisdiction of Incorporation)
(Commission File Number)
(IRS Employer Identification No.)
1600 Corporate Drive Birmingham, Alabama
35242
(Address of Principal Executive Office)
(Zip Code)
Registrant’s Telephone Number, Including Area Code: (205) 408-0909
(Former Name or Former Address, if Changed Since Last Report): Not Applicable
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered, pursuant to Section 12(b) of the Act:
Title of each class
Trading Symbol(s)
Name of each exchange on which registered
Common Stock, par value $0.01 per share
DEC
New York Stock Exchange
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter)
Emerging Growth Company ☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐
Item 5.02
Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
On May 20, 2026, the Board of Directors (the “Board”) of Diversified Energy Company (the “Company”) appointed Kirk Oliver to the Board and to the Audit and Risk Committee and the Sustainability and Safety Committee of the Board, in each case effective May 21, 2026. In connection with such appointment, the size of the full Board was increased from five to six directors.
Mr. Oliver brings nearly twenty years of experience as the CFO of publicly traded energy companies, with deep experience in capital markets, mergers and acquisitions, corporate restructurings, and risk management. He most recently served as Executive Vice President and Chief Financial Officer of Equitrans Midstream Corporation, a publicly traded natural gas midstream company (“Equitrans”), from September 2018 until July 2024, where he built and led the company’s finance organization and was responsible for its accounting, financial planning and analysis, treasury, tax, investor relations, and risk management functions. Prior to joining Equitrans, Mr. Oliver served as Chief Financial Officer of UGI Corporation from October 2012 to May 2018, where he had broad responsibility for financial operations, capital allocation, investor relations, and risk management. Mr. Oliver has also held senior executive and financial leadership positions at Allegheny Energy, Inc., TXU Corp. and Hunt Power, L.L.C. Earlier in his career, Mr. Oliver worked in investment banking at Lehman Brothers in its Global Power & Energy Group. Mr. Oliver holds a Bachelor of Science degree in Electrical Engineering from Lawrence Technological University and a Master of Business Administration from the University of Chicago Booth School of Business.
In connection with his appointment to the Board, Mr. Oliver entered into the Company’s standard form of indemnification agreement, the form of which has been filed as Exhibit 10.11 to the Company’s Annual Report on Form 10-K for the year ended December 31, 2025. Mr. Oliver will also receive compensation for services as a non-employee director of the Company consistent with the compensation generally provided to other non-employee directors of the Company, as disclosed in the Company’s 2026 proxy statement, which was filed with the Securities and Exchange Commission on March 24, 2026, including a pro-rated annual equity grant.
There are no arrangements or understandings between Mr. Oliver and any other person pursuant to which he was selected as a director, and there are no transactions involving the Company and Mr. Oliver that the Company would be required to report pursuant to Item 404(a) of Regulation S-K.
Item 7.01 Regulation FD Disclosure
A copy of the press release announcing the appointment of Mr. Oliver is furnished as Exhibit 99.1 to this Current Report on Form 8-K.
Item 9.01
Financial Statements and Exhibits
(d) Exhibits
Exhibit No.
Description
99.1
Press Release Dated May 21, 2026
104
Cover Page Interactive Data File (embedded within Inline XBRL document)
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
Diversified Energy Company
May 21, 2026
By:
/s/ Benjamin M. Sullivan
Date
Benjamin M. Sullivan
Senior Executive Vice President, Chief Legal and Risk Officer and Corporate Secretary
EX-99.1
EX-99.1
Filename: kirkoliverbodannouncementv.htm · Sequence: 2
Document
EXHIBIT 99.1
Diversified Energy Provides Board of Director Update
Diversified Energy Company (NYSE: DEC, LSE: DEC) is pleased to announce that its Board of Directors (the “Board”) has appointed Kirk Oliver as an independent non-executive director, effective May 21, 2026.
Mr. Oliver brings approximately 20 years of energy industry and financial expertise. He most recently served as Executive Vice President and Chief Financial Officer of Equitrans Midstream Corporation.
Prior to joining Equitrans, Mr. Oliver was the Chief Financial Officer of UGI. Mr. Oliver has also held senior executive and financial leadership positions at Allegheny Energy, TXU Corporation and Hunt Power. Earlier in his career, Mr. Oliver worked in investment banking at Lehman Brothers in the Global Power and Energy Group. Mr. Oliver received his Bachelor of Science degree in Electrical Engineering from Lawerence Technological University and holds a Masters in Business Administration from the University of Chicago Booth School of Business.
Upon his appointment, Mr. Oliver will become a member of the Board’s Audit and Risk and Sustainability and Safety Committee.
Commenting on the appointment, David Johnson, Chairman, said:
“It is my pleasure to welcome Kirk to Diversified’s Board of Directors. His breadth of experience, leadership, and reputation in the energy industry will provide valuable perspectives. We look forward to Kirk’s contributions as Diversified continues to progress its strategy of acquiring, operating, and optimizing cash generating energy assets that create value for shareholders.”
For further information, please contact:
Diversified Energy Company
Doug Kris
•
dkris@dgoc.com
Senior Vice President, Investor Relations
& Corporate Communications
973 856 2757
FTI Consulting
dec@fticonsulting.com
U.S. & UK Financial Public Relations
About Diversified Energy Company
Diversified is a leading publicly traded energy company focused on acquiring, operating, and optimizing cash generating energy assets. Through our unique differentiated strategy, we acquire existing, long-life assets and invest in them to improve environmental and operational performance until retiring those assets in a safe and environmentally secure manner. Recognized by ratings agencies and organizations for our sustainability leadership, this solutions-oriented, stewardship approach makes Diversified the Right Company at the Right Time to responsibly produce energy, deliver reliable free cash flow, and generate shareholder value.
XML — IDEA: XBRL DOCUMENT
XML
Filename: R1.htm · Sequence: 7
v3.26.1
Cover
May 20, 2026
Cover [Abstract]
Document Type
8-K
Document Period End Date
May 20, 2026
Entity Registrant Name
Diversified Energy Company
Entity Incorporation, State or Country Code
DE
Entity File Number
001-41870
Entity Tax Identification Number
41-2283606
Entity Address, Address Line One
1600 Corporate Drive
Entity Address, City or Town
Birmingham
Entity Address, State or Province
AL
Entity Address, Postal Zip Code
35242
City Area Code
205
Local Phone Number
408-0909
Written Communications
false
Soliciting Material
false
Pre-commencement Tender Offer
false
Pre-commencement Issuer Tender Offer
false
Title of 12(b) Security
Common Stock, par value $0.01 per share
Trading Symbol
DEC
Security Exchange Name
NYSE
Entity Emerging Growth Company
false
Amendment Flag
false
Entity Central Index Key
0001922446
X
- Definition
Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.
+ References
No definition available.
+ Details
Name:
dei_AmendmentFlag
Namespace Prefix:
dei_
Data Type:
xbrli:booleanItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Area code of city
+ References
No definition available.
+ Details
Name:
dei_CityAreaCode
Namespace Prefix:
dei_
Data Type:
xbrli:normalizedStringItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Cover page.
+ References
No definition available.
+ Details
Name:
dei_CoverAbstract
Namespace Prefix:
dei_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration
X
- Definition
For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.
+ References
No definition available.
+ Details
Name:
dei_DocumentPeriodEndDate
Namespace Prefix:
dei_
Data Type:
xbrli:dateItemType
Balance Type:
na
Period Type:
duration
X
- Definition
The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.
+ References
No definition available.
+ Details
Name:
dei_DocumentType
Namespace Prefix:
dei_
Data Type:
dei:submissionTypeItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Address Line 1 such as Attn, Building Name, Street Name
+ References
No definition available.
+ Details
Name:
dei_EntityAddressAddressLine1
Namespace Prefix:
dei_
Data Type:
xbrli:normalizedStringItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Name of the City or Town
+ References
No definition available.
+ Details
Name:
dei_EntityAddressCityOrTown
Namespace Prefix:
dei_
Data Type:
xbrli:normalizedStringItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Code for the postal or zip code
+ References
No definition available.
+ Details
Name:
dei_EntityAddressPostalZipCode
Namespace Prefix:
dei_
Data Type:
xbrli:normalizedStringItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Name of the state or province.
+ References
No definition available.
+ Details
Name:
dei_EntityAddressStateOrProvince
Namespace Prefix:
dei_
Data Type:
dei:stateOrProvinceItemType
Balance Type:
na
Period Type:
duration
X
- Definition
A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Exchange Act
-Number 240
-Section 12
-Subsection b-2
+ Details
Name:
dei_EntityCentralIndexKey
Namespace Prefix:
dei_
Data Type:
dei:centralIndexKeyItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Indicate if registrant meets the emerging growth company criteria.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Exchange Act
-Number 240
-Section 12
-Subsection b-2
+ Details
Name:
dei_EntityEmergingGrowthCompany
Namespace Prefix:
dei_
Data Type:
xbrli:booleanItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.
+ References
No definition available.
+ Details
Name:
dei_EntityFileNumber
Namespace Prefix:
dei_
Data Type:
dei:fileNumberItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Two-character EDGAR code representing the state or country of incorporation.
+ References
No definition available.
+ Details
Name:
dei_EntityIncorporationStateCountryCode
Namespace Prefix:
dei_
Data Type:
dei:edgarStateCountryItemType
Balance Type:
na
Period Type:
duration
X
- Definition
The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Exchange Act
-Number 240
-Section 12
-Subsection b-2
+ Details
Name:
dei_EntityRegistrantName
Namespace Prefix:
dei_
Data Type:
xbrli:normalizedStringItemType
Balance Type:
na
Period Type:
duration
X
- Definition
The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Exchange Act
-Number 240
-Section 12
-Subsection b-2
+ Details
Name:
dei_EntityTaxIdentificationNumber
Namespace Prefix:
dei_
Data Type:
dei:employerIdItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Local phone number for entity.
+ References
No definition available.
+ Details
Name:
dei_LocalPhoneNumber
Namespace Prefix:
dei_
Data Type:
xbrli:normalizedStringItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Exchange Act
-Number 240
-Section 13e
-Subsection 4c
+ Details
Name:
dei_PreCommencementIssuerTenderOffer
Namespace Prefix:
dei_
Data Type:
xbrli:booleanItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Exchange Act
-Number 240
-Section 14d
-Subsection 2b
+ Details
Name:
dei_PreCommencementTenderOffer
Namespace Prefix:
dei_
Data Type:
xbrli:booleanItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Title of a 12(b) registered security.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Exchange Act
-Number 240
-Section 12
-Subsection b
+ Details
Name:
dei_Security12bTitle
Namespace Prefix:
dei_
Data Type:
dei:securityTitleItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Name of the Exchange on which a security is registered.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Exchange Act
-Number 240
-Section 12
-Subsection d1-1
+ Details
Name:
dei_SecurityExchangeName
Namespace Prefix:
dei_
Data Type:
dei:edgarExchangeCodeItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Exchange Act
-Number 240
-Section 14a
-Subsection 12
+ Details
Name:
dei_SolicitingMaterial
Namespace Prefix:
dei_
Data Type:
xbrli:booleanItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Trading symbol of an instrument as listed on an exchange.
+ References
No definition available.
+ Details
Name:
dei_TradingSymbol
Namespace Prefix:
dei_
Data Type:
dei:tradingSymbolItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Securities Act
-Number 230
-Section 425
+ Details
Name:
dei_WrittenCommunications
Namespace Prefix:
dei_
Data Type:
xbrli:booleanItemType
Balance Type:
na
Period Type:
duration