Mark Lawrence Plaumann - 19 Jun 2025 Form 4 Insider Report for Diamondback Energy, Inc. (FANG)

Reporting relationship: Director
Issuer ticker: FANG
Reported as of: 19 Jun 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 23 Jun 2025, 17:08:42 UTC
Prior SEC filing: 22 May 2025
Next SEC filing: 21 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Teresa L. Dick, as attorney-in-fact for Mark L. Plaumann

Key filing fact

Mark Lawrence Plaumann filed Form 4 for Diamondback Energy, Inc. (FANG) on 23 Jun 2025.

Key facts

This page summarizes Mark Lawrence Plaumann's Form 4 filing for Diamondback Energy, Inc. (FANG).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 23 Jun 2025, 17:08.

Change

Previous filing in this sequence was filed on 22 May 2025.
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 0001290795 Primary reporting owner

Plaumann Mark Lawrence

Relationship: Director
Address: 500 WEST TEXAS AVENUE, SUITE 100, MIDLAND
Signature: /s/ Teresa L. Dick, as attorney-in-fact for Mark L. Plaumann
Signature date: 23 Jun 2025

Reported non-derivative transactions

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

FANG transaction

Common Stock

Other

Transaction value: $0
Shares: +2,965
Change %: +129%
Price: $0.000000
Shares after: 5,267
Date: 19 Jun 2025
Ownership: Direct
Footnotes: F1

FANG holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 7,688
Date: 19 Jun 2025
Ownership: By Greyhawke Capital Advisors LLC
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

An aggregate of 2,965 shares of the issuer's common stock was distributed by Greyhawke Capital Advisors LLC ("Greyhawke") in an in-kind distribution to Mr. Plaumann in connection with the amendment of the Greyhawke limited liability company agreement executed by the members and the manager of Greyhawke on June 19, 2025 during the issuer's open trading window (the "Amended Greyhawke LLC Agreement").

Footnote F2

Mr. Plaumann is a managing member of Whisper Manager LLC, which is the manager of Greyhawke, and holds a 50% membership interest in Greyhawke. In addition, the Amended Greyhawke LLC Agreement provides for certain special allocation of the issuer's securities held by Greyhawke to Mr. Plaumann. As a result, Mr. Plaumann is deemed to have both beneficial ownership and pecuniary interest in all of the issuer's securities held by Greyhawke.