Watch for any SEC Form 4 filings from ARCB's C-suite (CEO/CFO) in the next 30 days. If no C-suite sales appear, this cluster is routine. The company's 65% bullish analyst consensus and lack of suspicious pattern keep the stock in a 'no action needed' zone for now.
Price Chart
Executive Summary
Three ARCB insiders (Director McReynolds, Director Stipp, and CHRO Gattis) sold a combined ~$1.45M of stock in open-market sales over a 4-day window, with one director also gifting $0-value shares. This is the company's second insider cluster in the past 7 trading days (total ~$2.4M in sales over 30 days), representing ~0.08% of the $3.1B market cap — below the 0.1% materiality threshold. The sales lack a suspicious pattern and likely reflect diversification or liquidity-driven activity rather than a bearish signal.
Key Financial Metrics
Key Facts
- Three insiders sold $1.45M in open-market sales over 4 days (Aug 4-7, 2026)
- Total insider sales over the 30-day window is ~$2.4M, or ~0.08% of ARCB's $3.1B market cap
- CHRO Gattis ($863K) and Directors McReynolds ($615K) and Stipp ($693K) accounted for the sales
- Director McReynolds also gifted 7,000 shares (non-cash) on Aug 5
- No C-suite CEO/CFO sold in this cluster or the trailing 30 days
- The $1.45M total is well below the 0.1% market-cap threshold for material insider activity
Financial Impact
$1.45M in open-market sales, ~0.05% of $3.1B market cap
Risk Factors
- Repeated director-level selling could signal concerns not yet public
- If CHRO's sale is part of a broader 10b5-1 plan expiration, there is no bearish read-through
- The 0.08% of market cap is too small to represent informed selling
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-1786378990865 |
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
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