Benjamin Sullivan - 16 Mar 2026 Form 4 Insider Report for Diversified Energy Co (DEC)

Role
Sr EVP, Chief Legal Officer
Signature
/s/ Benjamin Sullivan
Issuer symbol
DEC
Transactions as of
16 Mar 2026
Net transactions value
$0
Form type
4
Filing time
18 Mar 2026, 17:38:24 UTC
Previous filing
07 Jan 2026
Next filing
23 Mar 2026
SEC
View on sec.gov

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Quoteable Key Fact

"Benjamin Sullivan filed Form 4 for Diversified Energy Co (DEC) on 18 Mar 2026."

Quick Takeaways

  • This page summarizes Benjamin Sullivan's Form 4 filing for Diversified Energy Co (DEC).
  • 8 reported transactions and 5 derivative rows are listed below.
  • Filing timestamp: 18 Mar 2026, 17:38.

What Changed

  • Previous filing in this sequence was filed on 07 Jan 2026.
  • Current net transaction value: $0.

Why This Matters

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Official SEC Source

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

See Original Filing

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 18 Mar 2026 0002099510

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction DEC Common stock, par value $0.01 per share Options Exercise +30,967 +49% $0.000000* 94,286 16 Mar 2026 Direct F1
transaction DEC Common stock, par value $0.01 per share Award +17,156 +18% $0.000000* 111,442 16 Mar 2026 Direct F2
transaction DEC Common stock, par value $0.01 per share Tax liability -21,605 -19% $14.61* 89,837 16 Mar 2026 Direct F3

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
transaction DEC Restricted Stock Units Award +639 +2.1% $0.000000* 30,967 16 Mar 2026 Common Stock 639 $0.000000 Direct F4, F5, F6
transaction DEC Restricted Stock Units Award +1,838 +2.1% $0.000000* 89,048 16 Mar 2026 Common Stock 1,838 $0.000000 Direct F4, F5, F7
transaction DEC Restricted Stock Units Award +1,414 +2.1% $0.000000* 68,509 16 Mar 2026 Common Stock 1,414 $0.000000 Direct F4, F5, F8
transaction DEC Restricted Stock Units Options Exercise -30,967 -100% $0.000000* 0 16 Mar 2026 Common Stock 30,967 $0.000000 Direct F4, F6
transaction DEC Restricted Stock Units Award +4,215 +2.1% $0.000000* 204,215 16 Mar 2026 Common Stock 4,215 $0.000000 Direct F4, F5, F9
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents the settlement of restricted stock units ("RSUs").
F2 Represents the settlement of performance stock units ("PSU"s) granted in 2023.
F3 The transaction reported reflects the withholding of RSUs and PSUs in satisfaction of the Reporting Person's tax liability.
F4 Restricted stock units ("RSUs") convert into shares of the Issuer's common stock on a one-for-one basis.
F5 Represents additional RSUs that accrued as dividend equivalent rights in connection with the Issuer's dividend payment of $0.29 per share.
F6 These RSUs vested on January 1, 2026.
F7 These RSUs vest on January 1, 2027, subject to the Reporting Person's continued employment.
F8 These RSUs vest on January 1, 2028, subject to the Reporting Person's continued employment.
F9 On January 5, 2026, the Reporting Person was granted 200,000 RSUs. The RSUs vest in three equal installments on each of January 5, 2027, 2028 and 2029, subject to the Reporting Person's continued employment.

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