The insider selling cluster is small in proportion to market cap and involves no C-suite executives beyond the CHRO and CINO. Per the academic literature, cluster sales are not reliably informative, especially when driven by directors and non-CEO officers. Monitor the next 10-Q for any fundamental deterioration, but this cluster alone does not warrant a bearish stance.
Price Chart
Executive Summary
Four insiders at ArcBest (ARCB) sold a total of ~$2.21M in open-market sales over a one-week window, including the Chief Human Resources Officer, Chief Innovation Officer, and two directors. The total value represents ~0.07% of the company's $3.0B market cap, which is below the 0.1% materiality threshold and consistent with routine portfolio diversification. No insider purchases occurred during the cluster window, and the sales lack the concentration or C-suite weighting that would elevate the signal above neutral.
Key Financial Metrics
Key Facts
- Four insiders sold a combined ~$2.21M in open-market sales over Aug 4–11, 2026
- Sales include CHRO Erin Gattis ($863K), CINO Dennis Anderson ($736K), and directors Judy McReynolds ($598K) and Janice Stipp ($693K)
- Total sales represent ~0.07% of ARCB's $3.0B market cap — below the 0.1% materiality threshold
- No open-market purchases were reported in the cluster window
- One non-cash gift of 1,950 shares by CINO Anderson was also filed
Financial Impact
Total insider sales of ~$2.21M, or ~0.07% of market cap — immaterial relative to company size
Risk Factors
- Insider sales could accelerate if the stock continues to trade near recent highs
- No insider buying to signal conviction creates an asymmetric information risk
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-ARCB-1786565124479 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 15, 2026 6w ago | Institutional Cluster | $145.87 $134.80 | ▼ −7.59% | ▼ −5.61% | $133.74 (−8.31%) |
Aug 12, 2026 7w ago | Insider Cluster | $146.74 $134.86 | ▼ −8.10% | ▼ −6.35% | $133.74 (−8.86%) |
Aug 10, 2026 7w ago | Insider Cluster | $137.43 $138.10 | ▲ +0.48% | ▲ +1.40% | $133.74 (−2.68%) |
Aug 7, 2026 8w ago | Insider Cluster | $137.76 $141.12 | ▲ +2.44% | ▲ +2.84% | $133.74 (−2.91%) |
Aug 6, 2026 8w ago | Insider Cluster | $135.25 $137.34 | ▲ +1.55% | ▲ +0.95% | $133.74 (−1.11%) |
Aug 6, 2026 8w ago | Insider Cluster | $135.25 $137.34 | ▲ +1.55% | ▲ +0.95% | $133.74 (−1.11%) |
Jul 24, 2026 10w ago | 8-K | $154.30 $140.34 | ▼ −9.05% | ▼ −12.67% | $133.74 (−13.32%) |
Jun 4, 2026 17w ago | 8-K | $155.09 $142.37 | ▼ −8.20% | ▼ −10.06% | $133.74 (−13.76%) |
May 18, 2026 19w ago | 8-K | $118.70 $145.85 | ▲ +22.87% | ▲ +21.89% | $133.74 (+12.67%) |
Apr 24, 2026 23w ago | 8-K | $122.38 $124.41 | ▲ +1.66% | ▼ −2.37% | $133.74 (+9.29%) |
US Market Status
Subscribe to SecBot
Get Real-Time SEC Filing Intelligence
Comprehensive SEC filing analysis delivered the moment filings hit EDGAR. Sentiment scoring, impact analysis, and actionable insights for every material event.
Try SecBot Free Coming soon: SecBot Pro with alerts, watchlists, and API access