Insider selling is routine and small relative to market cap. The CEO's option exercises and concurrent sales are standard liquidity/vesting activity. No bearish signal — monitor next earnings for fundamental trends.
Price Chart
Executive Summary
Four insiders at Twist Bioscience sold a total of $1.31M in open-market sales over a 7-day window, including the CEO (via option exercise and sale) and the CFO. The cluster is dominated by a single large sale by Cho Dennis ($991K), and the total represents ~0.03% of market cap — well below the 0.1% threshold for materiality. The CEO's sales are tied to derivative exercises, a common liquidity pattern. This is a routine, low-significance cluster.
Key Financial Metrics
Key Facts
- 4 insiders sold shares totaling $1.31M in open-market transactions over 7 days
- Total sales represent ~0.03% of Twist's $4.2B market cap — trivial
- CEO Leproust exercised 83,000 options at $8.82 and sold a portion of the resulting shares
- CFO Laponis sold $280K; Director Starovasnik sold $170K; CAO Werner sold $50K
- No insider open-market purchases were reported in the cluster
Financial Impact
Total insider sales of $1.31M represent ~0.03% of market cap — immaterial
Risk Factors
- Insider selling could accelerate if stock continues to rise, but current levels are not alarming
- No insider buying to offset — lack of bullish insider conviction is neutral, not bearish
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-TWST-1780430803897 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 10, 2026 22d ago | Insider Cluster | $127.22 $166.99 | ▲ +31.26% | ▲ +31.60% | $188.67 (+48.30%) |
Aug 27, 2026 5w ago | Insider Cluster | $153.10 $128.71 | ▼ −15.93% | ▼ −16.20% | $188.67 (+23.23%) |
Aug 25, 2026 5w ago | Insider Cluster | $151.42 $132.06 | ▼ −12.79% | ▼ −12.25% | $188.67 (+24.60%) |
Aug 21, 2026 6w ago | Insider Cluster | $145.59 $141.38 | ▼ −2.89% | ▼ −3.37% | $188.67 (+29.59%) |
Aug 20, 2026 6w ago | Insider Cluster | $136.23 $153.10 | ▲ +12.38% | ▲ +11.27% | $188.67 (+38.49%) |
Aug 14, 2026 7w ago | Insider Cluster | $124.41 $140.80 | ▲ +13.17% | ▲ +14.36% | $188.67 (+51.65%) |
Aug 14, 2026 7w ago | Insider Cluster | $124.41 $140.80 | ▼ −13.17% | ▼ −14.36% | $188.67 (−51.65%) |
Aug 12, 2026 7w ago | Insider Cluster | $125.29 $136.23 | ▲ +8.73% | ▲ +10.70% | $188.67 (+50.59%) |
Aug 12, 2026 7w ago | 144 | $125.29 $136.23 | ▲ +8.73% | ▲ +10.70% | $188.67 (+50.59%) |
Aug 11, 2026 7w ago | Insider Cluster | $123.12 $116.10 | ▼ −5.70% | ▼ −5.30% | $188.67 (+53.24%) |
US Market Status
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