Monitor for follow-up selling or downward pressure on the stock; such concentrated disposal by both a major holder and executives may indicate waning confidence ahead of earnings or in light of oil price volatility.
Price Chart
Executive Summary
A significant insider selling cluster at Diamondback Energy includes a major $2.15B sale by SGF FANG Holdings, LP, alongside smaller open-market sales by three executives totaling $4.6M. The bulk of the selling comes from a non-executive entity, but executive participation adds to the bearish signal.
Key Financial Metrics
Key Facts
- SGF FANG Holdings, LP sold 12,650,000 shares at $170.19, totaling $2.15 billion in open-market transactions.
- CFO Jere Thompson sold $136,851 worth of shares, EVP Matt Zmigrosky sold $3.76M, and Chief Engineer Albert Barkmann sold $731,600 — all via open-market sales.
- Total cluster value exceeds $2.156 billion over 7 days, with 9 total insider sells in the past 30 days amounting to $2.17B.
- Selling represents approximately 4.2% of Diamondback's $51.3B market cap, a highly material volume.
Financial Impact
$2.156 billion in insider selling over 7 days, including a block sale of 12.65M shares by a major holder
Risk Factors
- Potential perception of insider pessimism, especially given participation by CFO and other C-suite executives.
- Increased float from large-scale selling could weigh on share price if demand does not absorb supply.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CONTEXT: Insider Cluster Data (4 trades, 7d window) | cluster-FANG-1773777729091 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 24, 2026 5w ago | Insider Cluster | $205.60 $189.27 | ▼ −7.94% | ▼ −7.96% | $183.90 (−10.55%) |
Aug 17, 2026 6w ago | Insider Cluster | $210.02 $194.76 | ▼ −7.27% | ▼ −6.28% | $183.90 (−12.43%) |
Aug 3, 2026 8w ago | Press Release | $191.87 $202.91 | ▲ +5.75% | ▲ +6.99% | $183.90 (−4.15%) |
Jun 30, 2026 13w ago | Press Release | $171.96 $199.13 | ▲ +15.80% | ▲ +17.99% | $183.90 (+6.95%) |
Jun 16, 2026 15w ago | 144 | $185.48 $190.13 | ▲ +2.51% | ▲ +1.19% | $183.90 (−0.85%) |
Jun 15, 2026 15w ago | 8-K | $188.12 $190.69 | ▲ +1.37% | ▲ +1.17% | $183.90 (−2.24%) |
Jun 10, 2026 16w ago | Insider Cluster | $191.59 $182.00 | ▲ +5.01% | ▲ +6.90% | $183.90 (+4.01%) |
Jun 8, 2026 16w ago | Insider Cluster | $194.24 $180.56 | ▲ +7.04% | ▲ +8.49% | $183.90 (+5.32%) |
Jun 5, 2026 16w ago | Insider Cluster | $198.20 $173.73 | ▲ +12.34% | ▲ +13.98% | $183.90 (+7.21%) |
Jun 4, 2026 17w ago | Insider Cluster | $192.62 $173.73 | ▼ −9.81% | ▼ −11.67% | $183.90 (−4.52%) |
US Market Status
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