BENJAMIN SULLIVAN - 21 Nov 2025 Form 3 Insider Report for Diversified Energy Co (DEC)

Signature
/s/ Benjamin Sullivan
Issuer symbol
DEC
Transactions as of
21 Nov 2025
Transactions value $
$0
Form type
3
Filing time
04 Dec 2025, 17:29:22 UTC

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
SULLIVAN BENJAMIN Sr EVP, Chief Legal Officer C/O DIVERSIFIED ENERGY COMPANY, 1600 CORPORATE DRIVE, BIRMINGHAM /s/ Benjamin Sullivan 04 Dec 2025 0002099510

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding DEC Common stock, par value $0.01 per share 63.3K 21 Nov 2025 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding DEC Restricted Stock Units 21 Nov 2025 Common stock 29.8K $0.00 Direct F1, F2
holding DEC Restricted Stock Units 21 Nov 2025 Common stock 85.6K $0.00 Direct F2, F3
holding DEC Restricted Stock Units 21 Nov 2025 Common stock 65.8K $0.00 Direct F2, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 On March 21, 2023, the Reporting Person was granted 20,834 restricted stock units vesting on March 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on the Issuer's common stock. The number of derivative securities in column 3 includes 8,917 dividend equivalent units.
F2 Restricted stock units convert into shares of common stock on a one-for-one basis.
F3 On March 25, 2024, the Reporting Person was granted 70,565 restricted stock units vesting on March 31, 2027. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on the Issuer's common stock. The number of derivative securities in column 3 includes 14,985 dividend equivalent units.
F4 On April 10, 2025, the Reporting Person was granted 61,991 restricted stock units vesting on March 31, 2028, subject to the Reporting Person's continued employment. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on the Issuer's common stock. The number of derivative securities in column 3 includes 3,827 dividend equivalent units.

Remarks:

Exhibit 24 - Power of Attorney