Insider tradingForm 4
Cerebras Systems Inc. (CBRS) Insider Trading
16 open-market trades reported since Aug 18, 2026: 0 purchases worth $0 and 16 sales worth $387.7M.
By insider
| Insider | Role | Buys | Bought | Sells | Sold |
|---|---|---|---|---|---|
| Dhiraj Mallick | COO | 0 | $0 | 2 | $89.4M |
| Robert Patrick Komin Jr | CFO | 0 | $0 | 1 | $6.61M |
| Yagnesh Patel | CAO | 0 | $0 | 2 | $1.29M |
| Sean Lie | CTO | 0 | $0 | 5 | $192.1M |
| Steven Vassallo | Director | 0 | $0 | 2 | $21.4M |
| Andrew D. Feldman | CEO | 0 | $0 | 3 | $61.1M |
| Eric Vishria | Director | 0 | $0 | 1 | $15.7M |
All trades
| Filed | Insider | Type | Value | 3 mo. after |
|---|---|---|---|---|
| Sep 30 | Dhiraj MallickCOO | ▼ SELL10b5-1 | $80.8M | |
| Sep 30 | Robert Patrick Komin JrCFO | ▼ SELL10b5-1 | $6.61M | |
| Sep 30 | Yagnesh PatelCAO | ▼ SELL10b5-1 | $270K | |
| Sep 28 | Sean LieCTO | ▼ SELL10b5-1 | $25.1M | |
| Sep 8 | Sean LieCTO | ▼ SELL | $11.2M | |
| Sep 8 | Steven VassalloDirector | ▼ SELL | $10.5M | |
| Sep 8 | Andrew D. FeldmanCEO | ▼ SELL | $7.88M | |
| Aug 25 | Andrew D. FeldmanCEO | ▼ SELL | $47.3M | |
| Aug 21 | Sean LieCTO | ▼ SELL | $147.6M | |
| Aug 21 | Sean LieCTO | ▼ SELL | $3.42M | |
| Aug 20 | Dhiraj MallickCOO | ▼ SELL | $8.64M | |
| Aug 20 | Sean LieCTO | ▼ SELL | $4.72M | |
| Aug 20 | Yagnesh PatelCAO | ▼ SELL | $1.02M | |
| Aug 19 | Eric VishriaDirector | ▼ SELL10b5-1 | $15.7M | |
| Aug 19 | Andrew D. FeldmanCEO | ▼ SELL | $5.92M | |
| Aug 18 | Steven VassalloDirector | ▼ SELL | $10.9M |
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings