The cluster is routine in size and composition. Monitor next 10-Q for any fundamental deterioration, but this insider activity alone does not warrant a trading response.
Price Chart
Executive Summary
Three senior executives at Eastern Bankshares sold a combined $1.09M in open-market sales over two days, while the CEO exercised stock options and surrendered shares for tax withholding. The open-market sales total ~0.02% of market cap, well below the 0.1% threshold for materiality, and are likely routine portfolio diversification. No bearish signal is warranted given the small proportional size and the absence of any negative corporate event in the cluster window.
Key Financial Metrics
Key Facts
- CIO Westermann sold 23,005 shares at $21.43 ($493K) and 10,407 shares at $21.77 ($227K) on Sep 1
- EVP Antonakes sold 13,500 shares at $21.95 ($296K) on Sep 1
- EVP/GC Henry sold 14,000 shares at $21.68 ($304K) on Sep 2
- CEO Sheahan exercised 8,607 derivative shares at $0 (non-cash) and surrendered 4,162 shares for tax withholding ($92K) on Sep 3
- Total open-market sales: $1.09M, or ~0.02% of $5.0B market cap
- No open-market purchases in the cluster
Financial Impact
Open-market sales of $1.09M represent ~0.02% of market cap — immaterial
Risk Factors
- Insider sales could accelerate if the stock appreciates further
- No purchases to signal conviction from the C-suite
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-EBC-1788588186181 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 22, 2026 5d ago | 8-K | $22.40 | awaiting T+20 | — | $22.51 (+0.49%) |
Sep 22, 2026 5w ago | Institutional Cluster | $21.37 $21.47 | ▲ +0.47% | ▲ +1.03% | $22.51 (+5.33%) |
Sep 3, 2026 7w ago | Insider Cluster | $22.09 $21.24 | ▼ −3.85% | ▼ −4.70% | $22.51 (+1.90%) |
Sep 3, 2026 7w ago | Insider Cluster | $22.09 $21.24 | ▼ −3.85% | ▼ −4.70% | $22.51 (+1.90%) |
Sep 2, 2026 7w ago | Insider Cluster | $21.93 $21.47 | ▼ −2.13% | ▼ −1.92% | $22.51 (+2.64%) |
Aug 25, 2026 9w ago | 144 | $22.36 $21.14 | ▼ −5.46% | ▼ −6.43% | $22.51 (+0.67%) |
Aug 21, 2026 9w ago | 144 | $22.74 $21.48 | ▼ −5.54% | ▼ −5.01% | $22.51 (−1.01%) |
Aug 20, 2026 9w ago | 144 | $22.74 $21.60 | ▼ −5.01% | ▼ −5.01% | $22.51 (−1.01%) |
Aug 19, 2026 9w ago | 144 | $23.01 $21.55 | ▼ −6.35% | ▼ −4.39% | $22.51 (−2.17%) |
Jun 29, 2026 17w ago | 144 | $22.24 $23.10 | ▲ +3.87% | ▲ +4.90% | $22.51 (+1.21%) |
US Market Status
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