Skip to main content

Cerebras Systems Inc. insider trading

CBRSNASDAQ
$166.43-3.09 (-1.82%)as of Oct 2, 2026

“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.” — Peter Lynch

Insider Trading vs Stock Price

Insider Trading vs Stock Price data

Showing the 1Y range: May 14, 2026 to Oct 2, 2026. Price (-46.5%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
DateCategoryPersonRoleActionAmountChange in holding
Open market purchase
Open market sell
Marker size reflects transaction size.

Net dollar flow · Buy / Sell balance

Premium
Q2 '25Q3 '25Q4 '25Q1 '26Q2 '26Q3 '26
Unlock quarterly net flow

Key players

  • SLSean LieChief Technology Officer3.6065%of company
  • LSLior SusanDirector0.7065%of company
  • DMDhiraj MallickChief Operating Officer0.2327%of company
  • SVSteven VassalloDirector0.2776%of company
  • EVEric VishriaDirector0.2458%of company
  • PRPaul R. Auvil IIIDirector0.091%of company
  • EAElena A. DonioDirector0.0151%of company
  • ADAndrew D. FeldmanCEO, President0.0158%of company
  • YPYagnesh PatelChief Accounting Officer0.0137%of company
  • RPRobert Patrick Komin Jr.Chief Financial Officer0.00%of company

AI Activity Analysis

Premium
Coming soonAI reads of insider activity will appear here for Premium accounts.

Insider activity

Fromto
CompanyInsider / roleActionΔOwnAvg priceAmount
CBRSRobert Patrick Komin Jr.Chief Financial OfficerOpen market sell$585K-100.0%$194.92$585KSep 29, 2026Sep 30, 2026
CBRSRobert Patrick Komin Jr.Chief Financial OfficerOpen market sell$218K-27.1%$195.61$218KSep 29, 2026Sep 30, 2026
CBRSRobert Patrick Komin Jr.Chief Financial OfficerOpen market sell$135K-14.3%$197.48$135KSep 29, 2026Sep 30, 2026
CBRSRobert Patrick Komin Jr.Chief Financial OfficerOpen market sell$173K-15.3%$198.70$173KSep 29, 2026Sep 30, 2026
CBRSRobert Patrick Komin Jr.Chief Financial OfficerOpen market sell$226K-16.6%$199.80$226KSep 29, 2026Sep 30, 2026
CBRSRobert Patrick Komin Jr.Chief Financial OfficerOpen market sell$2.25M-62.2%$201.22$2.25MSep 29, 2026Sep 30, 2026
CBRSRobert Patrick Komin Jr.Chief Financial OfficerOpen market sell$80.8K-2.2%$201.96$80.8KSep 29, 2026Sep 30, 2026
CBRSRobert Patrick Komin Jr.Chief Financial OfficerOpen market sell$163K-4.2%$203.48$163KSep 29, 2026Sep 30, 2026
CBRSRobert Patrick Komin Jr.Chief Financial OfficerOpen market sell$327K-7.7%$204.26$327KSep 29, 2026Sep 30, 2026
CBRSRobert Patrick Komin Jr.Chief Financial OfficerOpen market sell$123K-2.8%$205.47$123KSep 29, 2026Sep 30, 2026
CBRSRobert Patrick Komin Jr.Chief Financial OfficerOpen market sell$165K-3.6%$206.68$165KSep 29, 2026Sep 30, 2026
CBRSRobert Patrick Komin Jr.Chief Financial OfficerOpen market sell$145K-3.1%$207.83$145KSep 29, 2026Sep 30, 2026
CBRSRobert Patrick Komin Jr.Chief Financial OfficerOpen market sell$459K-8.8%$208.98$459KSep 29, 2026Sep 30, 2026
CBRSRobert Patrick Komin Jr.Chief Financial OfficerOpen market sell$588K-10.0%$210.02$588KSep 29, 2026Sep 30, 2026
CBRSRobert Patrick Komin Jr.Chief Financial OfficerOpen market sell$585K-9.0%$211.03$585KSep 29, 2026Sep 30, 2026
CBRSRobert Patrick Komin Jr.Chief Financial OfficerOpen market sell$388K-5.6%$211.79$388KSep 29, 2026Sep 30, 2026
CBRSYagnesh PatelChief Accounting OfficerOpen market sell$270K-7.9%$204.50$270KSep 28, 2026Sep 30, 2026
CBRSSteven VassalloDirectorOpen market sell$1.5M-2.2%$211.56$1.5MSep 4, 2026Sep 8, 2026
CBRSSteven VassalloDirectorOpen market sell$4.58M-6.4%$210.37$4.58MSep 4, 2026Sep 8, 2026
CBRSSteven VassalloDirectorOpen market sell$4.43M-5.8%$209.81$4.43MSep 4, 2026Sep 8, 2026
CBRSYagnesh PatelChief Accounting OfficerOpen market sell$39.8K-0.1%$240.01$39.8KAug 18, 2026Aug 20, 2026
CBRSYagnesh PatelChief Accounting OfficerOpen market sell$4780.0%$238.78$478Aug 18, 2026Aug 20, 2026
CBRSYagnesh PatelChief Accounting OfficerOpen market sell$4740.0%$237.23$474Aug 18, 2026Aug 20, 2026
CBRSYagnesh PatelChief Accounting OfficerOpen market sell$10.4K0.0%$236.43$10.4KAug 18, 2026Aug 20, 2026
CBRSYagnesh PatelChief Accounting OfficerOpen market sell$15.3K-0.1%$235.50$15.3KAug 18, 2026Aug 20, 2026
CBRSYagnesh PatelChief Accounting OfficerOpen market sell$29.8K-0.1%$234.47$29.8KAug 18, 2026Aug 20, 2026
CBRSYagnesh PatelChief Accounting OfficerOpen market sell$11.2K0.0%$233.31$11.2KAug 18, 2026Aug 20, 2026
CBRSYagnesh PatelChief Accounting OfficerOpen market sell$14K-0.1%$232.62$14KAug 18, 2026Aug 20, 2026
CBRSYagnesh PatelChief Accounting OfficerOpen market sell$12K0.0%$231.57$12KAug 18, 2026Aug 20, 2026
CBRSYagnesh PatelChief Accounting OfficerOpen market sell$2.31K0.0%$230.67$2.31KAug 18, 2026Aug 20, 2026
CBRSYagnesh PatelChief Accounting OfficerOpen market sell$7.34K0.0%$229.46$7.34KAug 18, 2026Aug 20, 2026
CBRSYagnesh PatelChief Accounting OfficerOpen market sell$4.57K0.0%$228.53$4.57KAug 18, 2026Aug 20, 2026
CBRSYagnesh PatelChief Accounting OfficerOpen market sell$17.1K-0.1%$227.37$17.1KAug 18, 2026Aug 20, 2026
CBRSYagnesh PatelChief Accounting OfficerOpen market sell$22.2K-0.1%$226.46$22.2KAug 18, 2026Aug 20, 2026
CBRSYagnesh PatelChief Accounting OfficerOpen market sell$16.2K-0.1%$225.51$16.2KAug 18, 2026Aug 20, 2026
CBRSYagnesh PatelChief Accounting OfficerOpen market sell$9.65K0.0%$224.52$9.65KAug 18, 2026Aug 20, 2026
CBRSYagnesh PatelChief Accounting OfficerOpen market sell$23.7K-0.1%$223.54$23.7KAug 18, 2026Aug 20, 2026
CBRSYagnesh PatelChief Accounting OfficerOpen market sell$76.5K-0.3%$222.42$76.5KAug 18, 2026Aug 20, 2026
CBRSYagnesh PatelChief Accounting OfficerOpen market sell$163K-0.6%$221.47$163KAug 18, 2026Aug 20, 2026
CBRSYagnesh PatelChief Accounting OfficerOpen market sell$177K-0.6%$220.43$177KAug 18, 2026Aug 20, 2026
CBRSYagnesh PatelChief Accounting OfficerOpen market sell$89.6K-0.3%$219.58$89.6KAug 18, 2026Aug 20, 2026
CBRSYagnesh PatelChief Accounting OfficerOpen market sell$78.5K-0.3%$218.54$78.5KAug 18, 2026Aug 20, 2026
CBRSYagnesh PatelChief Accounting OfficerOpen market sell$62.9K-0.2%$217.58$62.9KAug 18, 2026Aug 20, 2026
CBRSYagnesh PatelChief Accounting OfficerOpen market sell$84.2K-0.3%$216.40$84.2KAug 18, 2026Aug 20, 2026
CBRSYagnesh PatelChief Accounting OfficerOpen market sell$49.2K-0.2%$215.67$49.2KAug 18, 2026Aug 20, 2026
CBRSDhiraj MallickChief Operating OfficerOpen market sell$340K-0.2%$240.01$340KAug 18, 2026Aug 20, 2026
CBRSDhiraj MallickChief Operating OfficerOpen market sell$4.06K0.0%$238.78$4.06KAug 18, 2026Aug 20, 2026
CBRSDhiraj MallickChief Operating OfficerOpen market sell$4.98K0.0%$237.23$4.98KAug 18, 2026Aug 20, 2026
CBRSDhiraj MallickChief Operating OfficerOpen market sell$87.7K-0.1%$236.43$87.7KAug 18, 2026Aug 20, 2026
CBRSDhiraj MallickChief Operating OfficerOpen market sell$130K-0.1%$235.50$130KAug 18, 2026Aug 20, 2026
50 of 264 transactions
SpoorBase

Not investment advice. We make every effort to keep the information on SpoorBase accurate, but errors may occur. SpoorBase does not guarantee the accuracy or completeness of any data, and any use of the information is at the user’s sole responsibility. Valuation multiples are calculated by SpoorBase and may contain errors. See Disclosures. © 2026 SpoorBase. All rights reserved.