WEST STEVEN E 4

What Happened

• Steven E. West, a director of Diamondback Energy, sold 6,000 shares of the company's common stock in an open-market/private sale on 2026-03-18. The weighted average sale price was $188.35 per share, for total proceeds of $1,130,129.

Key Details

• Transaction date: 2026-03-18 (reported on Form 4 filed 2026-03-19). Filing appears timely (within the two-business-day window required for Form 4).
• Transaction type: Sale (S) — open market or private sale.
• Shares sold: 6,000; weighted average price: $188.35; total value: $1,130,129.
• Price range: sales occurred at prices between $187.95 and $188.69 per share (see footnote F1).
• Footnote F1: Price shown is a weighted average; the reporting person can provide a breakdown of shares sold at each price on request.
• Footnote F2: Reflects a transfer of 3,068 shares of common stock in a transfer exempt from reporting under Rule 16a-12.
• Shares owned after the transaction: Not specified in the information provided in your summary.

Context

• This was a sale (often routine for insiders to diversify or meet liquidity needs); the filing is factual and does not indicate the insider’s motive. Footnote F2 indicates an exempt transfer of 3,068 shares under Rule 16a-12, and F1 clarifies the sale was executed in multiple trades at slightly varying prices.