CEO selling $1.37M in a single day without a disclosed 10b5-1 plan is notable, but the dollar amount is small relative to market cap. Monitor for additional insider sales or any negative pre-announcement in the next two weeks.
Price Chart
Executive Summary
Two Teradyne insiders, including the CEO, sold a combined $1.64M in open-market sales on October 15, 2026. The CEO's $1.37M sale is material in absolute terms, but represents a modest fraction of market cap.
Key Financial Metrics
Key Facts
- CEO Gregory Smith sold 4,000 shares for $1.37M on October 15, 2026
- Director Marilyn Matz sold 800 shares for $273K on the same date
- Total insider selling of $1.64M, all open-market (code S) with no 10b5-1 plan indicated
- No insider buying in the cluster window
Financial Impact
CEO sale of $1.37M represents approximately 0.05% of Teradyne's market cap (estimated ~$5.5B based on ~$341 stock price and ~160M shares outstanding)
Risk Factors
- CEO sale may signal concern about near-term business conditions or upcoming earnings
- Cluster selling by both CEO and a director on the same day increases the signal's weight
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-TER-1792424600617 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 23, 2026 3d ago | Institutional Cluster | $308.85 | awaiting T+5 | — | $309.00 (+0.05%) |
Oct 22, 2026 5d ago | Insider Cluster | $308.85 | awaiting T+5 | — | $309.00 (−0.05%) |
Oct 19, 2026 7d ago | Insider Cluster | $335.53 $309.00 | ▲ +7.91% | ▲ +7.76% | $309.00 (+7.91%) |
Sep 18, 2026 5w ago | Insider Cluster | $371.47 $398.38 | ▼ −7.24% | ▼ −5.98% | $309.00 (+16.82%) |
Sep 16, 2026 5w ago | Insider Cluster | $341.15 $389.14 | ▲ +14.07% | ▲ +11.50% | $309.00 (−9.42%) |
Aug 21, 2026 9w ago | ANALYST-DOWNGRADE | $375.74 $354.97 | ▼ −5.53% | ▼ −6.00% | $309.00 (−17.76%) |
Aug 18, 2026 9w ago | Insider Cluster | $404.29 $366.43 | ▼ −9.36% | ▼ −9.16% | $309.00 (−23.57%) |
Aug 10, 2026 11w ago | 8-K | $379.56 $404.29 | ▲ +6.52% | ▲ +6.92% | $309.00 (−18.59%) |
Jul 16, 2026 14w ago | Insider Cluster | $322.30 $373.75 | ▲ +15.96% | ▲ +17.63% | $309.00 (−4.13%) |
Jun 16, 2026 18w ago | Insider Cluster | $408.56 $427.20 | ▲ +4.56% | ▲ +5.60% | $309.00 (−24.37%) |
US Market Status
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