Greedy Insider
CBRS Insider Trades and Greediness Scores
Cerebras Systems Inc. (CBRS) insider trades: since May 13, 2026, Greedy Insider recorded 0 open-market buys and 337 sales on Form 4 from 7 insiders. The strongest recent filing scored 95 (Strong).
Who bought and who sold
Across the last 337 scoreable Form 4 transactions in CBRS, 0 were open-market purchases and 337 were sales. The table lists the most recent filings with each one's Greediness Score, so the structurally unusual trades are easy to spot first.
| Insider | Role | Type | Shares | Date | Score | ||
|---|---|---|---|---|---|---|---|
| Komin Robert Patrick Jr. | CFO | Sell | 1830.0 | 387575.7 | 2026-09-29 | 79 | View |
| Komin Robert Patrick Jr. | CFO | Sell | 2771.0 | 584764.1 | 2026-09-29 | 82 | View |
| Komin Robert Patrick Jr. | CFO | Sell | 2802.0 | 588476.06 | 2026-09-29 | 82 | View |
| Komin Robert Patrick Jr. | CFO | Sell | 2197.0 | 459129.06 | 2026-09-29 | 80 | View |
| Komin Robert Patrick Jr. | CFO | Sell | 700.0 | 145481.0 | 2026-09-29 | 72 | View |
| Komin Robert Patrick Jr. | CFO | Sell | 800.0 | 165344.0 | 2026-09-29 | 73 | View |
| Komin Robert Patrick Jr. | CFO | Sell | 600.0 | 123282.0 | 2026-09-29 | 71 | View |
| Komin Robert Patrick Jr. | CFO | Sell | 1600.0 | 326816.0 | 2026-09-29 | 78 | View |
| Komin Robert Patrick Jr. | CFO | Sell | 800.0 | 162784.0 | 2026-09-29 | 73 | View |
| Komin Robert Patrick Jr. | CFO | Sell | 400.0 | 80784.0 | 2026-09-29 | 70 | View |
The strongest recent filing
Lie Sean (Chief Technology Officer) sold 108,507 shares of Cerebras Systems Inc. on Aug 20, 2026, a filing that scored 95 (Strong). It scored Strong because a senior insider was trading and several insiders moved the same way within a week. The score describes the filing, not future returns. This is not investment advice.
Cluster activity
A cluster buy is present: 6 insiders (Feldman Andrew D., Lie Sean, Mallick Dhiraj, Patel Yagnesh) traded CBRS the same direction within a 7-day window. Shared conviction is a stronger structural signal than a lone trade.
How this compares with Cerebras Systems Inc.'s own history
Open-market buys make up 0% of the 337 scoreable CBRS transactions on record between May 13, 2026 and Sep 29, 2026. Comparing a filing with the company's own buy/sell mix is how you tell a routine disposal from an unusual accumulation.
Methodology and sources
Scores come from six published, user-adjustable factors (insider role, cluster activity, trade size versus the insider's own history, position impact, filing urgency, and direct versus indirect ownership). The score describes the filing, not future returns. This is not investment advice.
Key facts
- Scoreable Form 4 transactions on record: 337
- Open-market buys: 0
- Sales: 337
- Distinct insiders: 7
- Strongest recent Greediness Score: 95 (Strong)
Primary sources
Related
- Strongest filing
- CBRS in the live feed
- How the Greediness Score works
- What is a cluster buy?
- Form 4 transaction codes
The score describes the filing, not future returns. This is not investment advice.