CBRS insider trades & Congress trades
Cerebras Systems Inc.: public insider filings and Congress disclosures, in one place.
Bourse has recorded 206 open-market insider transactions in Cerebras Systems Inc. (CBRS) (0 purchases with code P and 206 sales with code S), the most recent on October 27, 2026.
In the last 90 days: 0 purchases by 0 insiders ($0) and 206 sales by 7 ($394.6M).
Insider transactions
SEC Form 4, open-market purchases (P) and sales (S) only. Awards, option exercises and tax withholding are excluded. “After” shows the stock’s return over the month following the trade, where available.
| Date | Insider | Role | Type | Shares | Price | Value | After 1M |
|---|---|---|---|---|---|---|---|
| Oct 27, 2026 | Lie Sean | Chief Technology Officer | Sell | 14,500 | $116.82 | $1.69M | – |
| Oct 27, 2026 | Lie Sean | Chief Technology Officer | Sell | 45,400 | $115.46 | $5.24M | – |
| Oct 27, 2026 | Lie Sean | Chief Technology Officer | Sell | 100 | $113.92 | $11K | – |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 598 | $212.93 | $127K | −0.3% |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 18,274 | $212.20 | $3.88M | −0.3% |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 41,391 | $211.29 | $8.75M | −0.3% |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 46,427 | $210.27 | $9.76M | −0.3% |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 41,278 | $209.33 | $8.64M | −0.3% |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 20,714 | $208.38 | $4.32M | −0.3% |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 9,652 | $207.06 | $2.00M | −0.3% |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 9,047 | $206.13 | $1.86M | −0.3% |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 8,729 | $205.17 | $1.79M | −0.3% |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 27,492 | $204.17 | $5.61M | −0.3% |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 9,682 | $203.37 | $1.97M | −0.3% |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 5,637 | $201.91 | $1.14M | −0.3% |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 22,915 | $200.96 | $4.60M | −0.3% |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 17,848 | $199.89 | $3.57M | −0.3% |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 17,000 | $198.96 | $3.38M | −0.3% |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 5,170 | $197.85 | $1.02M | −0.3% |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 6,613 | $197.05 | $1.30M | −0.3% |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 18,703 | $195.56 | $3.66M | −0.3% |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 68,830 | $194.91 | $13.4M | −0.3% |
| Sep 29, 2026 | Komin Robert Patrick Jr. | Chief Financial Officer | Sell | 1,830 | $211.79 | $388K | −0.3% |
| Sep 29, 2026 | Komin Robert Patrick Jr. | Chief Financial Officer | Sell | 2,771 | $211.03 | $585K | −0.3% |
| Sep 29, 2026 | Komin Robert Patrick Jr. | Chief Financial Officer | Sell | 2,802 | $210.02 | $588K | −0.3% |
| Sep 29, 2026 | Komin Robert Patrick Jr. | Chief Financial Officer | Sell | 2,197 | $208.98 | $459K | −0.3% |
| Sep 29, 2026 | Komin Robert Patrick Jr. | Chief Financial Officer | Sell | 700 | $207.83 | $145K | −0.3% |
| Sep 29, 2026 | Komin Robert Patrick Jr. | Chief Financial Officer | Sell | 800 | $206.68 | $165K | −0.3% |
| Sep 29, 2026 | Komin Robert Patrick Jr. | Chief Financial Officer | Sell | 600 | $205.47 | $123K | −0.3% |
| Sep 29, 2026 | Komin Robert Patrick Jr. | Chief Financial Officer | Sell | 1,600 | $204.26 | $327K | −0.3% |
Showing the 30 most recent of 206 transactions.
Data as of November 8, 2026. Public filings only. A purchase or sale by a politician or an insider does not by itself imply any wrongdoing.
New to these filings? Read how to read a Form 4, how Congress trades are disclosed and what insider cluster buying means. Sources and limits are on the Methodology page.
See these filings as they land
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