Monitor whether the sale actually executes in the coming days. A director-level sale of this size is routine and unlikely to signal fundamental deterioration, but further insider selling after lock-up expiration could create modest overhang. No immediate trading action warranted.
Price Chart
Executive Summary
Director Steven Vassallo (Foundation Capital) filed a Form 144 indicating intent to sell 50,000 shares of Cerebras Systems Class A common stock, valued at approximately $9.5 million. The shares were acquired in a 2016 private placement, suggesting a post-IPO monetization by a venture-backed director. The proposed sale represents a tiny fraction of the company's $45.2B market cap and is unlikely to have a material impact on the stock.
Key Facts
- Director Steven Vassallo proposes to sell 50,000 shares of CBRS Class A common stock.
- Estimated market value of the proposed sale is approximately $9.5 million.
- Shares were originally acquired on May 5, 2016 via a private placement.
- Total beneficial ownership after the sale is reported as 112,247,109 shares (likely a data error or includes trust/entity holdings).
- Filing date is September 4, 2026; the sale has not yet occurred.
Financial Impact
Proposed sale of ~$9.5M represents 0.02% of Cerebras's $45.2B market cap — negligible direct impact.
Risk Factors
- Potential additional insider selling if lock-up restrictions have expired.
- The filing is only an intent to sell — the transaction may not occur.
Market Snapshot
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001628280-26-060754 |
| Document: 0001628280-26-060754-index.html | 0001628280-26-060754 |
| Document: 0001628280-26-060754.txt | 0001628280-26-060754 |
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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