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Major Shareholder SGF FANG Holdings Sells $1.86B of Diamondback Energy (FANG) Stock

High SignificanceSeptember 17, 2026 at 6:57:58 PM EDT

Diamondback Energy, Inc.

$FANGSCHEDULE 13D/ACIK: 0001539838

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Filing Summary

🚀 Major Stakeholder Sale: Diamondback Energy, Inc. ($FANG)

Reporting Entity: SGF FANG Holdings, LP / Lyndal Greth Filing Type: SCHEDULE 13D/A (Amendment No. 7) Date of Event: September 16, 2026

Transaction Overview:

  • Shares Sold: 9,079,675 shares
  • Execution Price: $205.26
  • Total Disposition Value: ~$1.86 Billion ($1,863,694,090.50)
  • Shares Remaining: 64,957,047 shares (~23.2% of outstanding class)
  • Lock-Up: 30-day lock-up period agreed with Morgan Stanley & Co. LLC

Significance: High | Massive institutional liquidity event executed under Rule 144.

Comprehensive Analysis

Executive Summary

On September 17, 2026, SGF FANG Holdings, LP and Lyndal Greth filed Amendment No. 7 to Schedule 13D disclosing a substantial secondary sale of Common Stock of Diamondback Energy, Inc. ($FANG).

Key Transaction Highlights

  • Transaction Date: September 16, 2026
  • Shares Sold: 9,079,675 shares of Common Stock
  • Sale Price: $205.26 per share
  • Gross Proceeds: $1,863,694,090.50 (~$1.86B)
  • Sale Mechanism: Rule 144 block/market sale
  • Lock-Up Agreement: SGF FANG entered into a 30-day lock-up agreement from September 16, 2026, restricting further sales without mutual agreement with Morgan Stanley & Co. LLC.

Post-Transaction Ownership

Following the disposition:

  • Remaining Beneficial Ownership: 64,957,047 shares
  • Voting & Dispositive Power: Shared (64,957,047 shares)
  • Percentage of Class: 23.2% (based on 280,024,353 shares outstanding as of July 31, 2026)

Market Implications

This transaction represents a massive monetizing event of nearly $1.86 billion by a principal shareholder. While SGF FANG retains a major 23.2% controlling or strategic interest, the 30-day lock-up temporarily eliminates near-term secondary supply pressure from this holder.

Topics:#FANG#DiamondbackEnergy#InsiderTrading#SEC#Energy#OilAndGas

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