SEC Info - West Steven E - ‘4’ for 8/10/23 re: Diamondback Energy, Inc.

Ownership Document

Schema Version: X0508

Document Type: 4

Period of Report: 8/10/23

Not Subject to Section 16: 0

Issuer:

Issuer CIK: 1539838

Issuer Name: Diamondback Energy, Inc.

Issuer Trading Symbol: FANG

Reporting Owner:

Reporting Owner ID:

Owner CIK: 1190898

Owner Name: WEST STEVEN E

Reporting Owner Address:

Owner Street 1: 500 WEST TEXAS AVENUE

Owner Street 2: SUITE 100

Owner City: MIDLAND

Owner State: TX

Owner ZIP Code: 79701

Owner State Description:

Reporting Owner Relationship:

Is Director? Yes

Is Officer? No

Is Ten Percent Owner? No

Is Other? No

Aff 10b5 One: 0

Non-Derivative Table:

Non-Derivative Transaction:

Security Title:

Value: Common Stock

Transaction Date:

Value: 8/10/23

Transaction Coding:

Transaction Form Type: 4

Transaction Code: S

Equity Swap Involved? No

Transaction Amounts:

Transaction Shares:

Value: 8,000

Transaction Price Per Share:

Value: 150.6476

Footnote ID: F1

Transaction Acquired-Disposed Code:

Value: D

Post-Transaction Amounts:

Shares Owned Following Transaction:

Value: 5,100

Ownership Nature:

Direct or Indirect Ownership:

Value: D

Derivative Table:

Footnotes:

Footnote - F1: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $150.52 per share to $150.80 per share, inclusive. The reporting person undertakes to provide to Diamondback Energy, Inc., any security holder of Diamondback Energy, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Remarks:

Owner Signature:

Signature Name: /s/ Teresa L. Dick as attorney-in-fact for Steven E. West

Signature Date: 8/14/23

West Steven E – ‘4’ for 8/10/23 re: Diamondback Energy, Inc.

On: Monday, 8/14/23, at 4:05pm ET · For: 8/10/23 · As: Director · Accession #: 1539838-23-114 · File #: 1-35700

Previous ‘4’: ‘4’ on 7/12/23 for 7/10/23 · Latest ‘4’: This Filing · 2 References:

Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 4 — SEA’34

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