Cerebras Systems (CBRS) insider trading
10 directors and officers declare holding shares of Cerebras Systems (CBRS), each in their own filing with the SEC. The largest is Andrew D. Feldman (CEO, President · Director) with 14.1M shares, 5.9% of the company, worth $2.3B at the last close. The most recent move on file: Andrew D. Feldman bought 159 shares on Oct 5, 2026. Of the 10 with a trade on file, 2 last bought and 8 last sold. Purchases and sales are as reported on Forms 3, 4 and 5 — the SEC counts private transactions too, and many large sales follow a plan arranged in advance. Holdings are never added up: two spouses often report the same shares, and a joint filing carries a fund's.
| Insider | Role | Shares | % of company | Value | Last trade on file | Filed |
|---|---|---|---|---|---|---|
| Andrew D. Feldman | CEO, President · Director | 14.1M | 5.9% | $2.3B | bought 159 shares on Oct 5, 2026 | Oct 5, 2026 |
| Steven Vassallo | Director | 10.6M | 4.4% | $1.7B | sold 50,000 shares at $209.81 on Sep 4, 2026 | Sep 4, 2026 |
| Sean Lie | Chief Technology Officer | 8.1M | 3.4% | $1.3B | sold 120,000 shares at $212.14 on Sep 25, 2026 | Sep 25, 2026 |
| Lior Susan | Director | 6.1M | 2.6% | $998.5M | sold 1.3M shares on Sep 30, 2026 | Sep 30, 2026 |
| Robert Patrick Komin Jr. | Chief Financial Officer | 996,653 | 0.42% | $163.5M | sold 32,500 shares at $211.79 on Sep 29, 2026 | Sep 29, 2026 |
| Dhiraj Mallick | Chief Operating Officer | 520,807 | 0.22% | $85.5M | sold 396,000 shares at $212.93 on Sep 29, 2026 | Sep 29, 2026 |
| Eric Vishria | Director | 334,980 | 0.14% | $55.0M | bought 59,126 shares on Oct 5, 2026 | Oct 5, 2026 |
| Paul R. Auvil III | Director | 203,750 | 0.09% | $33.4M | sold 407,500 shares on May 15, 2026 | May 15, 2026 |
| Yagnesh Patel | Chief Accounting Officer | 129,944 | 0.05% | $21.3M | sold 1,320 shares at $204.50 on Sep 28, 2026 | Sep 28, 2026 |
| Elena A. Donio | Director | 33,701 | 0.01% | $5.5M | sold 67,402 shares on May 15, 2026 | May 15, 2026 |
Each insider at Cerebras Systems
- Andrew D. Feldman — CEO, President · Director
- Steven Vassallo — Director
- Sean Lie — Chief Technology Officer
- Lior Susan — Director
- Robert Patrick Komin Jr. — Chief Financial Officer
- Dhiraj Mallick — Chief Operating Officer
- Eric Vishria — Director
- Paul R. Auvil III — Director
- Yagnesh Patel — Chief Accounting Officer
- Elena A. Donio — Director
What insiders bought and sold across AI stocks · All filings on sec.gov