Monitor the next 10-Q for any fundamental deterioration that might justify the director sales, but the $1.2M cluster is immaterial relative to the $4.6B market cap — no immediate read-through. Watch for any C-suite open-market buys as a stronger counter-signal.
Price Chart
Executive Summary
Cluster of insider activity at Delek US Holdings (DK) — 2 insiders, 5 sells totaling $1.2M over the past 7 days. All transactions are open-market sales (code S). The total dollar value ($1.2M) is trivial relative to the $4.6B market cap (~0.026%), well below the 0.1% materiality threshold. Per academic literature, insider sales are weak predictors on average, and cluster sales are not more informative than non-cluster sales (Alldredge 2019) — likely liquidity/vesting-driven. No C-suite executives are involved (both are directors). No 10b5-1 plan details are provided in the filing context. The cluster is not material enough to warrant a directional call.
Key Financial Metrics
Financial Impact
Not specified
Risk Factors
- Insider sales could signal private concerns about valuation or upcoming headwinds, though dollar value is immaterial
- Petroleum refining sector is exposed to crude price volatility and crack-spread compression
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-DK-1789521296296 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 16, 2026 16d ago | Insider Cluster | $79.16 $72.26 | ▼ −8.72% | ▼ −10.54% | $74.19 (−6.28%) |
Sep 10, 2026 22d ago | Insider Cluster | $74.89 $81.55 | ▲ +8.89% | ▲ +9.39% | $74.19 (−0.93%) |
Sep 4, 2026 28d ago | 144 | $71.86 $74.47 | ▲ +3.63% | ▲ +4.84% | $74.19 (+3.24%) |
Sep 1, 2026 4w ago | 144 | $73.34 $75.28 | ▲ +2.65% | ▲ +2.56% | $74.19 (+1.16%) |
Aug 28, 2026 5w ago | 144 | $72.25 $71.86 | ▼ −0.54% | ▼ −0.65% | $74.19 (+2.69%) |
Aug 27, 2026 5w ago | Insider Cluster | $70.26 $72.40 | ▲ +3.05% | ▲ +2.78% | $74.19 (+5.59%) |
Aug 26, 2026 5w ago | Insider Cluster | $70.84 $71.45 | ▲ +0.86% | ▲ +0.98% | $74.19 (+4.73%) |
Aug 26, 2026 5w ago | Insider Cluster | $70.84 $71.45 | ▲ +0.86% | ▲ +0.98% | $74.19 (+4.73%) |
Aug 24, 2026 5w ago | 144 | $68.08 $74.34 | ▲ +9.20% | ▲ +8.73% | $74.19 (+8.97%) |
Aug 21, 2026 6w ago | 144 | $71.47 $72.25 | ▲ +1.09% | ▲ +0.62% | $74.19 (+3.81%) |
US Market Status
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