The CTO's $11.24M sale is the largest insider sale at Cerebras in the past 30 days and represents a significant personal liquidity event. While the dollar amount is small relative to the $46.6B market cap, the cluster of C-suite and director selling on the same day is a bearish signal. Monitor for any upcoming earnings or material developments that may have prompted the sales. The two non-cash grants on Sept 8 suggest ongoing equity compensation, which could lead to further sales.
Price Chart
Executive Summary
Three Cerebras insiders, including the CEO and CTO, sold a combined $12.92M in open-market sales on September 4, 2026. The CTO's $11.24M sale is the dominant trade, representing 0.03% of the $46.6B market cap. While the dollar amount is modest relative to market cap, the cluster of C-suite and director selling on the same day warrants attention, especially given the stock's recent volatility and the historical calibration showing that score-6 reports on this ticker have a 40% win rate at T+20.
Key Financial Metrics
Key Facts
- CEO Andrew Feldman sold 900 shares for $183K on Sept 4, 2026
- CTO Sean Lie sold 53.5K shares for $11.24M on Sept 4, 2026
- Director Steven Vassallo sold 7.1K shares for $1.50M on Sept 4, 2026
- Total insider sales of $12.92M represent 0.03% of $46.6B market cap
- Two additional non-cash transactions (grants) occurred on Sept 8, 2026: Director Vishria Eric received 44,507 shares and CEO Feldman received 120 shares
Financial Impact
Insider sales of $12.92M, with CTO Sean Lie accounting for 87% of the total ($11.24M). The CEO's sale of $183K is small but notable given his position.
Risk Factors
- Insider selling cluster may indicate management's view that the stock is fully valued
- CTO's large sale could signal reduced confidence in near-term growth prospects
- Stock's recent volatility (T+5 moves of -13% to +15% in prior reports) suggests high sensitivity to news flow
Market Snapshot
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-CBRS-1789107100835 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 9, 2026 23d ago | Insider Cluster | $196.20 $190.47 | ▲ +2.92% | ▲ +2.26% | $169.52 (+13.60%) |
Sep 4, 2026 27d ago | 144 | $199.77 $184.03 | ▼ −7.88% | ▼ −6.76% | $169.52 (−15.14%) |
Sep 1, 2026 4w ago | Press Release | $172.62 $196.20 | ▲ +13.66% | ▲ +13.58% | $169.52 (−1.80%) |
Aug 25, 2026 5w ago | Insider Cluster | $182.15 $184.52 | ▲ +1.30% | ▲ +1.42% | $169.52 (−6.93%) |
Aug 25, 2026 5w ago | Insider Cluster | $182.15 $184.52 | ▼ −1.30% | ▼ −1.42% | $169.52 (+6.93%) |
Aug 25, 2026 5w ago | Insider Cluster | $182.15 $184.52 | ▼ −1.30% | ▼ −1.42% | $169.52 (+6.93%) |
Aug 22, 2026 5w ago | Insider Cluster | $185.43 $184.24 | ▲ +0.64% | ▲ +1.11% | $169.52 (+8.58%) |
Aug 21, 2026 6w ago | Insider Cluster | $196.13 $179.08 | ▼ −8.69% | ▼ −9.17% | $169.52 (−13.57%) |
Aug 19, 2026 6w ago | Insider Cluster | $209.76 $186.67 | ▼ −11.01% | ▼ −12.12% | $169.52 (−19.18%) |
Aug 19, 2026 6w ago | Insider Cluster | $209.76 $186.67 | ▼ −11.01% | ▼ −12.12% | $169.52 (−19.18%) |
US Market Status
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