Diversified Energy Co Sullivan receives stock awards

The reported vesting schedules span January 1, 2027, to January 5, 2029, and are subject to continued employment.

Rhea-AI Filing Summary

Diversified Energy Co's Sr EVP, Chief Legal Officer, Benjamin Sullivan, received four direct restricted stock unit (RSU) awards on September 30, 2026: 4,095, 1,050, 1,786 and 1,374 RSUs. The awards represent additional RSUs accrued as dividend equivalent rights in connection with the company's dividend payment of $0.29 per share. Each RSU converts into one common share.

The 4,095 RSUs vest in three equal installments on January 5, 2027, January 5, 2028 and January 5, 2029; the 1,050 RSUs vest in three equal installments on March 19, 2027, March 19, 2028 and March 19, 2029. The 1,786 RSUs vest on January 1, 2027, and the 1,374 RSUs vest on January 1, 2028. Each schedule is subject to continued employment.

Insider Trade Summary

Grant/Award: 8,305 shares

Grant/Award 4 txns

Insider SULLIVAN BENJAMIN

Role Sr EVP, Chief Legal Officer

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units F1, F2, F3	4,095	$0.00	$0.00
Grant/Award	Restricted Stock Units F1, F2, F4	1,050	$0.00	$0.00
Grant/Award	Restricted Stock Units F1, F2, F5	1,786	$0.00	$0.00
Grant/Award	Restricted Stock Units F1, F2, F6	1,374	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 430,715 contracts (Direct)

Footnotes (6)

1. F1. Restricted stock units ("RSUs") convert into shares of the Issuer's common stock on a one-for-one basis.
2. F2. Represents additional RSUs that accrued as dividend equivalent rights in connection with the Issuer's dividend payment of $0.29 per share.
3. F3. These RSUs vest in three equal installments on each January 5, 2027, 2028 and 2029, subject to the Reporting Person's continued employment.
4. F4. These RSUs vest in three equal installments on each March 19, 2027, 2028 and 2029, subject to the Reporting Person's continued employment.
5. F5. These RSUs vest on January 1, 2027, subject to the Reporting Person's continued employment.
6. F6. These RSUs vest on January 1, 2028, subject to the Reporting Person's continued employment.

Key Figures

RSU award: 4,095 RSUs RSU award: 1,050 RSUs RSU award: 1,786 RSUs +3 more

6 metrics

RSU award 4,095 RSUs Vests in three equal installments on January 5, 2027, January 5, 2028 and January 5, 2029, subject to continued employment

RSU award 1,050 RSUs Vests in three equal installments on March 19, 2027, March 19, 2028 and March 19, 2029, subject to continued employment

RSU award 1,786 RSUs Vests on January 1, 2027, subject to continued employment

RSU award 1,374 RSUs Vests on January 1, 2028, subject to continued employment

Dividend payment $0.29 per share Dividend payment connected to the additional dividend equivalent RSUs

RSU conversion 1 common share per RSU RSUs convert into common stock on a one-for-one basis

Key Terms

Restricted stock units, dividend equivalent rights, one-for-one basis, three equal installments

4 terms

Restricted stock units financial

"Restricted stock units ("RSUs") convert into shares"

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 in connection with"

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.

one-for-one basis financial

"common stock on a one-for-one basis"

three equal installments financial

"vest in three equal installments on each January 5"

FAQ

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

How many RSUs did DEC award to Benjamin Sullivan?

Benjamin Sullivan received separate RSU awards of 4,095, 1,050, 1,786 and 1,374 units on September 30, 2026. The units are additional dividend equivalent rights and convert into common stock one-for-one.

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

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Available on EDGAR 10/01/2026 - 05:45 PM Accepted by SEC EDGAR 10/01/2026 - 05:44 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^*

SULLIVAN BENJAMIN

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Sr EVP, Chief Legal Officer

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

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
Restricted Stock Units	$0(1)	09/30/2026	09/30/2026	A		4,095(2)		(3)	(3)	Common Stock	4,095	$0	212,381	D
Restricted Stock Units	$0(1)	09/30/2026	09/30/2026	A		1,050(2)		(4)	(4)	Common Stock	1,050	$0	54,477	D
Restricted Stock Units	$0(1)	09/30/2026	09/30/2026	A		1,786(2)		(5)	(5)	Common Stock	1,786	$0	92,609	D
Restricted Stock Units	$0(1)	09/30/2026	09/30/2026	A		1,374(2)		(6)	(6)	Common Stock	1,374	$0	71,248	D

Explanation of Responses:

1. Restricted stock units ("RSUs") convert into shares of the Issuer's common stock on a one-for-one basis.

2. Represents additional RSUs that accrued as dividend equivalent rights in connection with the Issuer's dividend payment of $0.29 per share.

3. These RSUs vest in three equal installments on each January 5, 2027, 2028 and 2029, subject to the Reporting Person's continued employment.

4. These RSUs vest in three equal installments on each March 19, 2027, 2028 and 2029, subject to the Reporting Person's continued employment.

5. These RSUs vest on January 1, 2027, subject to the Reporting Person's continued employment.

6. These RSUs vest on January 1, 2028, subject to the Reporting Person's continued employment.

Remarks:

	/s/ Benjamin Sullivan	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)