The insider sales are too small relative to market cap to warrant a bearish read. The CTO's two-day sales of ~$3.58M may be part of a pre-arranged 10b5-1 plan or diversification. Monitor for any subsequent Form 4 filings that might reveal a pattern, but no immediate trading action is indicated.
Price Chart
Executive Summary
Two Coherent insiders—the CTO and a director—sold a combined $2.58M in open-market sales on August 31, 2026, at ~$276.85/share. The CTO's $1.95M sale follows a prior $1.63M sale on September 1, bringing her total to ~$3.58M in two days. These sales represent ~0.005% of Coherent's $52.6B market cap, a trivial amount that is likely liquidity-driven rather than a bearish signal, especially given the company's strong analyst consensus (77% bullish) and the lack of any material negative news in the cluster window.
Key Financial Metrics
Key Facts
- CTO Julie Sheridan sold $1.95M (7,047 shares) on Aug 31, 2026 at $276.83
- Director Enrico Digirolomo sold $629K (2,272 shares) on Aug 31, 2026 at $276.85
- Total open-market sales in the cluster: $2.58M, representing ~0.005% of Coherent's $52.6B market cap
- The CTO also sold $1.63M on Sep 1, 2026 at $270.69, bringing her two-day total to ~$3.58M
- Non-cash transactions (grants, tax withholdings) on Aug 28, 2026 involved CEO, CFO, CTO, and other executives but have $0 economic value
Financial Impact
Open-market sales of $2.58M are trivial relative to $52.6B market cap (0.005%)
Risk Factors
- Insider sales could accelerate if the stock continues to trade near recent highs
- The CTO's back-to-back sales may signal personal liquidity needs rather than a bearish view, but any additional C-suite selling would increase concern
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-COHR-1788397262399 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 15, 2026 16d ago | Insider Cluster | $289.93 $300.60 | ▲ +3.68% | ▲ +1.12% | $325.89 (+12.40%) |
Sep 11, 2026 21d ago | Insider Cluster | $305.37 $317.36 | ▲ +3.93% | ▲ +4.15% | $325.89 (+6.72%) |
Sep 4, 2026 28d ago | Insider Cluster | $281.86 $266.50 | ▼ −5.45% | ▼ −4.24% | $325.89 (+15.62%) |
Sep 3, 2026 29d ago | Insider Cluster | $264.41 $305.37 | ▲ +15.49% | ▲ +16.64% | $325.89 (+23.25%) |
Sep 3, 2026 29d ago | Insider Cluster | $264.41 $305.37 | ▼ −15.49% | ▼ −16.64% | $325.89 (−23.25%) |
Aug 31, 2026 4w ago | 8-K | $277.83 $301.88 | ▲ +8.66% | ▲ +8.80% | $325.89 (+17.30%) |
Jul 15, 2026 11w ago | Institutional Cluster | $299.38 $312.19 | ▲ +4.28% | ▲ +5.26% | $325.89 (+8.85%) |
Jun 20, 2026 14w ago | Institutional Cluster | $425.48 $380.56 | ▼ −10.56% | ▼ −8.49% | $325.89 (−23.41%) |
Jun 11, 2026 16w ago | Institutional Cluster | $363.58 $378.85 | ▲ +4.20% | ▲ +3.77% | $325.89 (−10.37%) |
Apr 28, 2026 22w ago | 8-K | $304.93 $344.67 | ▲ +13.03% | ▲ +9.92% | $325.89 (+6.87%) |
US Market Status
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