Bradley G. Gray - 21 Nov 2025 Form 3 Insider Report for Diversified Energy Co PLC (DEC)

Signature
/s/ Benjamin Sullivan, Attorney-in-Fact
Issuer symbol
DEC
Transactions as of
21 Nov 2025
Transactions value $
$0
Form type
3
Filing time
01 Dec 2025, 21:01:40 UTC

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Gray Bradley G President and CFO C/O DIVERSIFIED ENERGY COMPANY, 1600 CORPORATE DRIVE, BIRMINGHAM /s/ Benjamin Sullivan, Attorney-in-Fact 01 Dec 2025 0001734815

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 192K 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 35.4K $0.00 Direct F1, F2
holding DEC Restricted Stock Units 21 Nov 2025 Common stock 105K $0.00 Direct F2, F3
holding DEC Restricted Stock Units 21 Nov 2025 Common stock 80.1K $0.00 Direct F2, F4
holding DEC Stock Options (Right to Buy) 21 Nov 2025 Common stock 29.5K $22.00 Direct F5, F6
holding DEC Stock Options (Right to Buy) 21 Nov 2025 Common stock 3.03K $31.44 Direct F7, F8
* 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 24,783 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 10,609 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 86,246 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 18,314 dividend equivalent units.
F4 On April 10, 2025, the Reporting Person was granted 75,445 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 4,657 dividend equivalent units.
F5 This option was granted on April 14, 2018 and vested ratably over three years.
F6 The exercise price for this option is denominated in British pounds sterling at a price of GBP 16.80 per share. The exercise price reported herein was converted from British pounds sterling to United States dollars at a conversion rate of GBP 1.00 to USD 1.3098. The exercise price is the actual British pounds sterling amount regardless of the exchange rate on the date of exercise.
F7 This option was granted on May 9, 2019 and vested ratably over three years.
F8 The exercise price for this option is denominated in British pounds sterling at a price of GBP 24.00 per share. The exercise price reported herein was converted from British pounds sterling to United States dollars at a conversion rate of GBP 1.00 to USD 1.3098. The exercise price is the actual British pounds sterling amount regardless of the exchange rate on the date of exercise.

Remarks:

Exhibit 24 - Power of Attorney