Diversified Energy Co director acquires 209 stock units

Reported direct holdings include 10,609 RSUs that vest on January 5, 2027, subject to continued service.

Rhea-AI Filing Summary

Diversified Energy Co (DEC) director Martin Keith Thomas acquired 209 additional RSUs on September 30, 2026, accrued as dividend equivalent rights in connection with the company’s $0.29-per-share dividend. The RSUs convert into common stock on a one-for-one basis. His reported direct holdings after the transaction were 125,368 shares.

Insider Trade Summary

Grant/Award: 209 shares

Grant/Award 1 txn

Insider Thomas Martin Keith

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common stock, par value $0.01 per share F1, F2	209	$0.00	$0.00

Holdings After Transaction: Common stock, par value $0.01 per share — 125,368 shares (Direct)

Footnotes (2)

1. F1. Represents additional restricted stock units ("RSUs") that accrued as dividend equivalent rights in connection with the Issuer's dividend payment of $0.29 per share. RSUs convert into shares of the Issuer's common stock on a one-for-one basis.
2. F2. Includes 10,609 RSUs (inclusive of previously accrued dividend equivalent rights) that vest on January 5, 2027, subject to the Reporting Person's continued service.

Key Figures

RSUs accrued: 209 RSUs Dividend payment: $0.29 per share Direct holdings following transaction: 125,368 shares +1 more

4 metrics

RSUs accrued 209 RSUs Acquired September 30, 2026, as dividend equivalent rights.

Dividend payment $0.29 per share Dividend payment associated with the dividend equivalent rights.

Direct holdings following transaction 125,368 shares Reported after the September 30, 2026 transaction.

RSUs included in holdings 10,609 RSUs Vest on January 5, 2027, subject to continued service.

Key Terms

restricted stock units, dividend equivalent rights, vest

3 terms

restricted stock units financial

"additional restricted stock units (RSUs)"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

dividend equivalent rights financial

"accrued as dividend equivalent rights"

Dividend equivalent rights are promises that mirror the cash payments shareholders get from a company’s profits, but they are paid to holders of certain awards (like stock options or restricted stock units) rather than to actual shares. Think of them as a paycheck top‑up that matches dividends while the award is not yet a real stock, and they matter to investors because they add to employee compensation costs and potential share dilution, affecting company profitability and per‑share value.

vest financial

"RSUs that vest on January 5, 2027"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many RSUs did DEC director Martin Keith Thomas acquire?

Martin Keith Thomas, a director of Diversified Energy Co, acquired 209 RSUs on September 30, 2026, as dividend equivalent rights associated with the company’s $0.29-per-share dividend. The RSUs convert into common stock on a one-for-one basis.

When do Martin Keith Thomas’s RSUs vest?

The 10,609 RSUs included in his reported holdings vest on January 5, 2027, subject to his continued service.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/01/2026 - 05:30 PM Accepted by SEC EDGAR 10/01/2026 - 05:30 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Thomas Martin Keith

(Last) (First) (Middle)

C/O DIVERSIFIED ENERGY COMPANY

1600 CORPORATE DRIVE

(Street)

BIRMINGHAM ALABAMA 35242

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Diversified Energy Co [ DEC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/30/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common stock, par value $0.01 per share	09/30/2026	09/30/2026	A		209(1)	A	$0	125,368(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents additional restricted stock units ("RSUs") that accrued as dividend equivalent rights in connection with the Issuer's dividend payment of $0.29 per share. RSUs convert into shares of the Issuer's common stock on a one-for-one basis.

2. Includes 10,609 RSUs (inclusive of previously accrued dividend equivalent rights) that vest on January 5, 2027, subject to the Reporting Person's continued service.

Remarks:

	/s/ Benjamin Sullivan, Attorney-in-Fact	10/01/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)