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

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
18 Mar 2026, 17:38:24 UTC
Prior SEC filing
07 Jan 2026
Next SEC filing
23 Mar 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Benjamin Sullivan

Key filing fact

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

Key facts

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

Change

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

Research use

  • 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.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002099510 Primary reporting owner

SULLIVAN BENJAMIN

Relationship
Sr EVP, Chief Legal Officer
Address
C/O DIVERSIFIED ENERGY COMPANY, 1600 CORPORATE DRIVE, BIRMINGHAM
Signature
/s/ Benjamin Sullivan
Signature date
18 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

DEC transaction

Common stock, par value $0.01 per share

Options Exercise

Transaction value
Shares
+30,967
Change %
+49%
Price
$0.000000*
Shares after
94,286
Date
16 Mar 2026
Ownership
Direct
Footnotes
F1
DEC transaction

Common stock, par value $0.01 per share

Award

Transaction value
Shares
+17,156
Change %
+18%
Price
$0.000000*
Shares after
111,442
Date
16 Mar 2026
Ownership
Direct
Footnotes
F2
DEC transaction

Common stock, par value $0.01 per share

Tax liability

Transaction value
Shares
-21,605
Change %
-19%
Price
$14.61*
Shares after
89,837
Date
16 Mar 2026
Ownership
Direct
Footnotes
F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

DEC transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares
+639
Change %
+2.1%
Price
$0.000000*
Shares after
30,967
Date
16 Mar 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
639
Exercise price
$0.000000
Footnotes
F4, F5, F6
DEC transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares
+1,838
Change %
+2.1%
Price
$0.000000*
Shares after
89,048
Date
16 Mar 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
1,838
Exercise price
$0.000000
Footnotes
F4, F5, F7
DEC transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares
+1,414
Change %
+2.1%
Price
$0.000000*
Shares after
68,509
Date
16 Mar 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
1,414
Exercise price
$0.000000
Footnotes
F4, F5, F8
DEC transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares
-30,967
Change %
-100%
Price
$0.000000*
Shares after
0
Date
16 Mar 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
30,967
Exercise price
$0.000000
Footnotes
F4, F6
DEC transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares
+4,215
Change %
+2.1%
Price
$0.000000*
Shares after
204,215
Date
16 Mar 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
4,215
Exercise price
$0.000000
Footnotes
F4, F5, F9
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 9 footnotes

Footnote F1

Represents the settlement of restricted stock units ("RSUs").

Footnote F2

Represents the settlement of performance stock units ("PSU"s) granted in 2023.

Footnote F3

The transaction reported reflects the withholding of RSUs and PSUs in satisfaction of the Reporting Person's tax liability.

Footnote F4

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

Footnote F5

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

Footnote F6

These RSUs vested on January 1, 2026.

Footnote F7

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

Footnote F8

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

Footnote 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.

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .