The dollar amount is far below the 0.1% materiality threshold — no directional signal. Monitor upcoming 10-Q or earnings for genuine business trends; this cluster alone does not warrant action.
Price Chart
Executive Summary
Two MTB insiders — a director and an EVP/Controller — sold a combined $459K in open-market sales over a one-week window. The total value is trivial relative to MTB's $34.7B market cap (0.0013%), making this a routine liquidity-driven cluster with no material signaling value.
Key Financial Metrics
Key Facts
- Two MTB insiders sold shares in an 8-day window (Aug 14–21, 2026).
- Total open-market sales: $459K (0.0013% of market cap).
- Director Seseri Rudina sold 623 shares for $150K on Aug 21.
- EVP/Controller Taylor John R. sold 1,200 shares for $309K on Aug 17.
- Both transactions were routine open-market sales (Code S).
Financial Impact
Total insider sales of $459K are immaterial for a $34.7B market-cap bank — under 0.0013% of cap.
Risk Factors
- Possible additional insider selling if blackout window closes soon; watch for cluster growth >$3M (0.01% of cap).
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-MTB-1787680861272 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 14, 2026 17d ago | 8-K | $235.37 $227.31 | ▼ −3.42% | ▼ −4.24% | $219.14 (−6.90%) |
Aug 25, 2026 5w ago | Insider Cluster | $240.41 $232.02 | ▼ −3.49% | ▼ −2.95% | $219.14 (−8.85%) |
Aug 18, 2026 6w ago | Press Release | $244.55 $241.54 | ▼ −1.23% | ▼ −0.84% | $219.14 (−10.39%) |
Aug 7, 2026 8w ago | Insider Cluster | $250.45 $254.09 | ▲ +1.45% | ▲ +1.06% | $219.14 (−12.50%) |
Aug 3, 2026 8w ago | Press Release | $249.48 $251.13 | ▲ +0.66% | ▼ −1.37% | $219.14 (−12.16%) |
Jul 24, 2026 10w ago | Court Ruling | $249.60 $247.00 | ▼ −1.04% | ▼ −1.42% | $219.14 (−12.20%) |
Jul 16, 2026 11w ago | 424B5 | $254.04 $245.97 | ▼ −3.18% | ▼ −1.51% | $219.14 (−13.74%) |
Jul 15, 2026 11w ago | 8-K | $248.53 $250.73 | ▲ +0.89% | ▲ +1.87% | $219.14 (−11.83%) |
Jul 15, 2026 11w ago | Press Release | $248.53 $250.73 | ▲ +0.89% | ▲ +1.87% | $219.14 (−11.83%) |
Jun 16, 2026 15w ago | 8-K | $228.35 $231.24 | ▲ +1.27% | ▲ +3.50% | $219.14 (−4.03%) |
US Market Status
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