StockCIK 2021728
Cerebras Systems Inc. (CBRS): Insider Trades and Fund Holdings
In the past 12 months, Cerebras Systems Inc. insiders reported 0 open-market purchases worth $0 and 16 sales worth $387.7M; 5 of the sales were reported as made under a 10b5-1 trading plan.
0Insider buys, 12 months
$0Bought by insiders, 12 months
$387.7MSold by insiders, 12 months
3Tracked funds holding
Recent insider trades
Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Sep 30, 2026.
| Filed | Insider | Type | Value |
|---|---|---|---|
| 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 |
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings
All 16 CBRS insider trades →Insiders who traded in the past year
| 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 |
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Tracked funds that report CBRS
From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.
| Fund | Shares | Value | Change |
|---|---|---|---|
| Coatue Management | 7,011,028 | $1.55B | ▲ New |
| Tiger Global Management | 2,999,000 | $662.8M | ▲ New |
| Soros Fund Management | 150,000 | $33.1M | ▲ New |
Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings
Reading these numbers
Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →