Cerebras Systems Inc. (CBRS)
$178.25-$8.42 (-4.51%) Today
Andrew D. Feldman - OfficerAndrew D. Feldman - OfficerAndrew D. Feldman - OfficerAndrew D. Feldman - OfficerAndrew D. Feldman - OfficerAndrew D. Feldman - OfficerAndrew D. Feldman - OfficerCerebras Systems Inc is an AI company. It designs the world's fastest AI infrastructure for training and inference. The company builds the world's largest semiconductor as well as the AI systems to power, cool, and feed the processors data. It develops software to link these systems together into industry-leading supercomputers that are simple to use even for the most complicated AI work, using familiar ML frameworks like PyTorch. Customers use its supercomputers to train industry-leading models. The company uses these supercomputers to run inference at speeds unobtainable from alternative commercial technologies. It delivers these AI capabilities to its customers on-premise and via the cloud. The company generates the majority of its revenue from the USA.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 224 | 1,251,147 | $259.15M |
| Option exercise | 12 | 1,901,300 | |
| Bona-fide gift | 2 | 263,074 | |
| Other acquisition / disposition | 144 | 88,848,699 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
43 Form 4 filings on record, the earliest from May 15, 2026, newest first. Filing history page 2 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
 Lior Susan | Other | Class B Common Stock | 13,466,197 | - | - | |
| Lior Susan | Other | Class A Common Stock | 13,466,197 | - | - | |
| Benchmark AI Infrastructure Management Co., L.L.C. - 10% Owner | Other | Series H Preferred Stock | 2,527,646 | $0.00 | - | |
| Benchmark AI Infrastructure Management Co., L.L.C. - 10% Owner | Other | Class B Common Stock | 2,527,646 | $0.00 | - | |
| Benchmark Capital Management Co. VIII, L.L.C. - 10% Owner | Other | Series A Preferred Stock | 12,588,235 | $0.00 | - | |
| Benchmark Capital Management Co. VIII, L.L.C. - 10% Owner | Other | Series B Preferred Stock | 1,425,394 | $0.00 | - | |
| Benchmark Capital Management Co. VIII, L.L.C. - 10% Owner | Other | Series C Preferred Stock | 335,293 | $0.00 | - | |
| Benchmark Capital Management Co. VIII, L.L.C. - 10% Owner | Other | Series D Preferred Stock | 30,968 | $0.00 | - | |
| Benchmark Capital Management Co. VIII, L.L.C. - 10% Owner | Other | Series E Preferred Stock | 5,457 | $0.00 | - | |
| Benchmark Capital Management Co. VIII, L.L.C. - 10% Owner | Other | Series G Preferred Stock | 689,990 | $0.00 | - | |
| Benchmark Capital Management Co. VIII, L.L.C. - 10% Owner | Other | Class B Common Stock | 14,385,347 | $0.00 | - | |
| Benchmark Capital Management Co. VIII, L.L.C. - 10% Owner | Other | Class B Common Stock | 689,990 | $0.00 | - | |
| Foundation Capital Management Co. VIII, L.L.C. | Other | Series A Preferred Stock | 12,322,821 | - | - | |
| Foundation Capital Management Co. VIII, L.L.C. | Other | Series A Preferred Stock | 265,414 | - | - | |
| Foundation Capital Management Co. VIII, L.L.C. | Other | Series B Preferred Stock | 1,395,341 | - | - | |
| Foundation Capital Management Co. VIII, L.L.C. | Other | Series B Preferred Stock | 30,053 | - | - | |
| Foundation Capital Management Co. VIII, L.L.C. | Other | Series C Preferred Stock | 109,409 | - | - | |
| Foundation Capital Management Co. VIII, L.L.C. | Other | Series C Preferred Stock | 2,356 | - | - | |
| Foundation Capital Management Co. VIII, L.L.C. | Other | Series D Preferred Stock | 30,315 | - | - | |
| Foundation Capital Management Co. VIII, L.L.C. | Other | Series D Preferred Stock | 653 | - | - | |
| Foundation Capital Management Co. VIII, L.L.C. | Other | Series E Preferred Stock | 53,419 | - | - | |
| Foundation Capital Management Co. VIII, L.L.C. | Other | Series E Preferred Stock | 1,151 | - | - | |
| Foundation Capital Management Co. VIII, L.L.C. | Other | Series E Preferred Stock | 1,091,411 | - | - | |
| Foundation Capital Management Co. VIII, L.L.C. | Other | Class B Common Stock | 13,911,305 | - | - | |
| Foundation Capital Management Co. VIII, L.L.C. | Other | Class B Common Stock | 299,627 | - | - | |
| Foundation Capital Management Co. VIII, L.L.C. | Other | Class B Common Stock | 1,091,411 | - | - | |
| Dhiraj Mallick - Officer | Tax withholding / forfeiture | Class A Common Stock | 491,091 | $185.00 | $90.85M | |
| Dhiraj Mallick - Officer | Other | Class A Common Stock | 801,998 | - | - | |
| Dhiraj Mallick - Officer | Other | Class B Common Stock | 801,998 | - | - | |
| Dhiraj Mallick - Officer | Other | Stock Option | 367,370 | - | - | |
| Dhiraj Mallick - Officer | Other | Stock Option | 367,370 | - | - | |
| Dhiraj Mallick - Officer | Other | Stock Option | 200,000 | - | - | |
| Dhiraj Mallick - Officer | Other | Stock Option | 200,000 | - | - | |
| Dhiraj Mallick - Officer | Other | Stock Option | 200,000 | - | - | |
| Dhiraj Mallick - Officer | Other | Stock Option | 200,000 | - | - | |
| Dhiraj Mallick - Officer | Other | Stock Option | 100,000 | - | - | |
| Dhiraj Mallick - Officer | Other | Stock Option | 100,000 | - | - | |
| Dhiraj Mallick - Officer | Other | Stock Option | 300,000 | - | - | |
| Dhiraj Mallick - Officer | Other | Stock Option | 300,000 | - | - | |
| Dhiraj Mallick - Officer | Other | Stock Option | 105,000 | - | - | |
| Dhiraj Mallick - Officer | Other | Stock Option | 105,000 | - | - | |
| Lior Susan - Director | Other | Class A Common Stock | 1,093,998 | - | - | |
| Lior Susan - Director | Other | Class B Common Stock | 1,093,998 | - | - | |
| Lior Susan - Director | Other | Series A Preferred Stock | 4,419,405 | - | - | |
| Lior Susan - Director | Other | Series B Preferred Stock | 599,465 | - | - | |
| Lior Susan - Director | Other | Series C Preferred Stock | 486,175 | - | - | |
| Lior Susan - Director | Other | Series D Preferred Stock | 309,678 | - | - | |
| Lior Susan - Director | Other | Series E Preferred Stock | 6,548,466 | - | - | |
| Lior Susan - Director | Other | Series F Preferred Stock | 9,010 | - | - | |
| Lior Susan - Director | Other | Class B Common Stock | 12,372,199 | - | - | |
| Steven Vassallo - Director | Other | Series A Preferred Stock | 12,588,235 | - | - | |
| Steven Vassallo - Director | Other | Series B Preferred Stock | 1,425,394 | - | - | |
| Steven Vassallo - Director | Other | Series C Preferred Stock | 111,765 | - | - | |
| Steven Vassallo - Director | Other | Series D Preferred Stock | 30,968 | - | - | |
| Steven Vassallo - Director | Other | Series E Preferred Stock | 1,145,981 | - | - | |
| Steven Vassallo - Director | Other | Class B Common Stock | 15,302,343 | - | - | |
| Robert Patrick Komin Jr. - Officer | Other | Class A Common Stock | 854,153 | - | - | |
| Robert Patrick Komin Jr. - Officer | Other | Class A Common Stock | 175,000 | - | - | |
| Robert Patrick Komin Jr. - Officer | Other | Class B Common Stock | 854,153 | - | - | |
| Robert Patrick Komin Jr. - Officer | Other | Class B Common Stock | 175,000 | - | - | |
| Robert Patrick Komin Jr. - Officer | Other | Stock Option | 18,248 | - | - | |
| Robert Patrick Komin Jr. - Officer | Other | Stock Option | 18,248 | - | - | |
| Elena A. Donio - Director | Other | Class A Common Stock | 33,701 | - | - | |
| Elena A. Donio - Director | Other | Class B Common Stock | 33,701 | - | - | |
 Paul R. Auvil III - Director | Other | Class A Common Stock | 203,750 | - | - | |
| Paul R. Auvil III - Director | Other | Class B Common Stock | 203,750 | - | - | |
| Yagnesh Patel - Officer | Tax withholding / forfeiture | Class A Common Stock | 19,083 | $185.00 | $3.53M | |
| Yagnesh Patel - Officer | Other | Class A Common Stock | 130,917 | - | - | |
| Yagnesh Patel - Officer | Other | Class B Common Stock | 130,917 | - | - | |
 Sean Lie - Officer | Tax withholding / forfeiture | Class A Common Stock | 96,127 | $185.00 | $17.78M | |
| Sean Lie - Officer | Other | Class A Common Stock | 8,209,731 | - | - | |
| Sean Lie - Officer | Other | Stock Option | 175,000 | - | - | |
| Sean Lie - Officer | Other | Stock Option | 100,000 | - | - | |
| Sean Lie - Officer | Other | Stock Option | 150,000 | - | - | |
| Sean Lie - Officer | Other | Stock Option | 400,000 | - | - | |
| Sean Lie - Officer | Other | Class A Common Stock | 180,600 | - | - | |
| Sean Lie - Officer | Other | Class B Common Stock | 8,209,731 | - | - | |
| Sean Lie - Officer | Other | Class B Common Stock | 180,600 | - | - | |
| Sean Lie - Officer | Other | Stock Option | 350,000 | - | - | |
| Sean Lie - Officer | Other | Stock Option | 350,000 | - | - | |
| Sean Lie - Officer | Other | Stock Option | 175,000 | - | - | |
| Sean Lie - Officer | Other | Stock Option | 100,000 | - | - | |
| Sean Lie - Officer | Other | Stock Option | 150,000 | - | - | |
| Sean Lie - Officer | Other | Stock Option | 400,000 | - | - | |
| Andrew D. Feldman - Officer | Tax withholding / forfeiture | Class A Common Stock | 107,076 | $185.00 | $19.81M | |
| Andrew D. Feldman - Officer | Other | Class A Common Stock | 14,056,621 | - | - | |
| Andrew D. Feldman - Officer | Other | Class A Common Stock | 50,000 | - | - | |
| Andrew D. Feldman - Officer | Other | Class A Common Stock | 50,000 | - | - | |
| Andrew D. Feldman - Officer | Other | Class B Common Stock | 14,056,621 | - | - | |
| Andrew D. Feldman - Officer | Other | Class B Common Stock | 50,000 | - | - | |
| Andrew D. Feldman - Officer | Other | Class B Common Stock | 50,000 | - | - | |
| Andrew D. Feldman - Officer | Other | Stock Option | 1,150,000 | - | - | |
| Andrew D. Feldman - Officer | Other | Stock Option | 1,150,000 | - | - | |
| Andrew D. Feldman - Officer | Other | Stock Option | 600,000 | - | - | |
| Andrew D. Feldman - Officer | Other | Stock Option | 600,000 | - | - | |
| Andrew D. Feldman - Officer | Other | Stock Option | 150,000 | - | - | |
| Andrew D. Feldman - Officer | Other | Stock Option | 150,000 | - | - | |
| Andrew D. Feldman - Officer | Other | Stock Option | 150,000 | - | - | |
| Andrew D. Feldman - Officer | Other | Stock Option | 150,000 | - | - | |
| Andrew D. Feldman - Officer | Other | Stock Option | 800,000 | - | - | |
| Andrew D. Feldman - Officer | Other | Stock Option | 800,000 | - | - |
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| SEAN LIE | Officer, 10% Stockholder | 16,293 | $3.42M | View on EDGAR | |
| ANDREW FELDMAN | Director, Officer | 237,559 | $49.85M | View on EDGAR | |
| SEAN LIE | Officer | 710,247 | $153.19M | View on EDGAR |
Cerebras Systems Inc. (CBRS) had 31 insider filings in the last 90 days, with the most recent on 2026-08-26. The full record for CBRS runs to 43 Form 4 filings, the earliest from 2026-05-15. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of CBRS were filed in the last 90 days.
224 insider sales of CBRS were filed in the last 90 days, totaling $259.15M.
This page tracks CBRS Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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