INSIDER
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Data sources

Public disclosures only. Scores flag unusual patterns and are not evidence of wrongdoing. Not investment advice.

RH CHAIN…
OverviewDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenMethodologyMatch reviewLaunch readiness
01Overview02Daily Brief03Live04Congress05Corporate Insiders06Government Money07Political Influence08Institutions09Washington Network10Follow the Power11Disclosure Clock12AI Investigator13Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenMethodologyMatch reviewLaunch readiness
OverviewDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenMethodologyMatch reviewLaunch readiness
Data sources
SEC FORM 45h ago
HOUSE PTR5h ago
SEC 13F5h ago
ROBINHOOD CHAIN5h ago
Public company

CBRSCerebras Systems Inc.

CIK 0002021728

EDGAR filingsOpen in network
Disclosed transactions60
Buys / sells1 / 43
Max Insider Score44
Connections9with evidence

CBRS · disclosed activity on price

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
15
0xc213…6c95Wallet
CBRSCerebras Systems Inc.
Token transfer
TRANSFER$35K
379 sh
Nov 4, 2026Nov 4, 22:15 UTC
traded Nov 4, 2026
onchainROBINHOOD CHAIN

Evidence

Verified connections

  • In industryevidence
    Telecommunications & technologySEC SIC 3674 · Semiconductors & Related Devices · Nov 4, 2026
  • ← Tokenizesevidence
    Cerebras Systems • Robinhood TokenStock Token underlying (official registry) · Nov 4, 2026
  • ← Insider ofevidence
    Patel YagneshChief Accounting Officer · Sep 30, 2026
  • ← Insider ofevidence
    Komin Robert Patrick Jr.Chief Financial Officer · Sep 30, 2026
15
0xc584…e616Wallet
CBRSCerebras Systems Inc.
Token transfer
TRANSFER
$35K
379 sh
Nov 4, 2026
Nov 4, 22:12 UTC
traded Nov 4, 2026
onchain
ROBINHOOD CHAIN

Evidence

17
0xc584…e616Wallet
CBRSCerebras Systems Inc.
Mint
BUY$35K
379 sh
Nov 4, 2026Nov 4, 22:12 UTC
traded Nov 4, 2026
onchainROBINHOOD CHAIN

Evidence

0
LS
Lie SeanChief Technology Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$11K
100 sh
Oct 27, 2026Oct 28, 2026
traded Oct 27, 2026
+1dSEC FORM 4

Evidence

0
LS
Lie SeanChief Technology Officer
CBRSCerebras Systems Inc.
Option exercise · 10b5-1 plan
M—
28.9K sh
Oct 27, 2026Oct 28, 2026
traded Oct 27, 2026
+1dSEC FORM 4

Evidence

0
LS
Lie SeanChief Technology Officer
CBRSCerebras Systems Inc.
Option exercise · 10b5-1 plan
M—
3,125 sh
Oct 27, 2026Oct 28, 2026
traded Oct 27, 2026
+1dSEC FORM 4

Evidence

0
LS
Lie SeanChief Technology Officer
CBRSCerebras Systems Inc.
Option exercise · 10b5-1 plan
M—
32.0K sh
Oct 27, 2026Oct 28, 2026
traded Oct 27, 2026
+1dSEC FORM 4

Evidence

0
LS
Lie SeanChief Technology Officer
CBRSCerebras Systems Inc.
Derivative conversion · 10b5-1 plan
C—
32.0K sh
Oct 27, 2026Oct 28, 2026
traded Oct 27, 2026
+1dSEC FORM 4

Evidence

0
LS
Lie SeanChief Technology Officer
CBRSCerebras Systems Inc.
Gift · 10b5-1 plan
G—
18.0K sh
Oct 27, 2026Oct 28, 2026
traded Oct 27, 2026
+1dSEC FORM 4

Evidence

0
LS
Lie SeanChief Technology Officer
CBRSCerebras Systems Inc.
Derivative conversion · 10b5-1 plan
C—
32.0K sh
Oct 27, 2026Oct 28, 2026
traded Oct 27, 2026
+1dSEC FORM 4

Evidence

7
LS
Lie SeanChief Technology Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$1.69M
14.5K sh
Oct 27, 2026Oct 28, 2026
traded Oct 27, 2026
+1dSEC FORM 4

Evidence

11
LS
Lie SeanChief Technology Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$5.24M
45.4K sh
Oct 27, 2026Oct 28, 2026
traded Oct 27, 2026
+1dSEC FORM 4

Evidence

33
MD
Mallick DhirajChief Operating Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$8.64M
41.3K sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

33
MD
Mallick DhirajChief Operating Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$4.32M
20.7K sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

33
MD
Mallick DhirajChief Operating Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$5.61M
27.5K sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

29
MD
Mallick DhirajChief Operating Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$1.14M
5,637 sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

33
MD
Mallick DhirajChief Operating Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$3.38M
17.0K sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

33
MD
Mallick DhirajChief Operating Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$1.30M
6,613 sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

0
MD
Mallick DhirajChief Operating Officer
CBRSCerebras Systems Inc.
Option exercise · 10b5-1 plan
M—
276.0K sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

30
PY
Patel YagneshChief Accounting Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$270K
1,320 sh
Sep 28, 2026Sep 30, 2026
traded Sep 28, 2026
+2dSEC FORM 4

Evidence

33
MD
Mallick DhirajChief Operating Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$9.76M
46.4K sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

30
KP
Komin Robert Patrick Jr.Chief Financial Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$585K
2,771 sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

30
KP
Komin Robert Patrick Jr.Chief Financial Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$388K
1,830 sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

30
KP
Komin Robert Patrick Jr.Chief Financial Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$588K
2,802 sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

23
KP
Komin Robert Patrick Jr.Chief Financial Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$145K
700 sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

23
KP
Komin Robert Patrick Jr.Chief Financial Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$165K
800 sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

41
KP
Komin Robert Patrick Jr.Chief Financial Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$2.25M
11.2K sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

27
KP
Komin Robert Patrick Jr.Chief Financial Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$226K
1,130 sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

27
KP
Komin Robert Patrick Jr.Chief Financial Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$173K
870 sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

31
KP
Komin Robert Patrick Jr.Chief Financial Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$218K
1,115 sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

23
MD
Mallick DhirajChief Operating Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$127K
598 sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

33
MD
Mallick DhirajChief Operating Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$8.75M
41.4K sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

30
KP
Komin Robert Patrick Jr.Chief Financial Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$327K
1,600 sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

23
KP
Komin Robert Patrick Jr.Chief Financial Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$163K
800 sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

23
KP
Komin Robert Patrick Jr.Chief Financial Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$81K
400 sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

27
KP
Komin Robert Patrick Jr.Chief Financial Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$135K
685 sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

38
KP
Komin Robert Patrick Jr.Chief Financial Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$585K
3,000 sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

11
MD
Mallick DhirajChief Operating Officer
CBRSCerebras Systems Inc.
Derivative conversion · 10b5-1 plan
C—
276.0K sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

29
MD
Mallick DhirajChief Operating Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$3.88M
18.3K sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

29
MD
Mallick DhirajChief Operating Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$2.00M
9,652 sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

29
MD
Mallick DhirajChief Operating Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$1.86M
9,047 sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

29
MD
Mallick DhirajChief Operating Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$1.79M
8,729 sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

33
MD
Mallick DhirajChief Operating Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$1.97M
9,682 sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

33
MD
Mallick DhirajChief Operating Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$4.60M
22.9K sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

33
MD
Mallick DhirajChief Operating Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$3.57M
17.8K sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

33
MD
Mallick DhirajChief Operating Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$1.02M
5,170 sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

37
MD
Mallick DhirajChief Operating Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$3.66M
18.7K sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

44
MD
Mallick DhirajChief Operating Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$13.42M
68.8K sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

11
MD
Mallick DhirajChief Operating Officer
CBRSCerebras Systems Inc.
Option exercise · 10b5-1 plan
M—
276.0K sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

11
MD
Mallick DhirajChief Operating Officer
CBRSCerebras Systems Inc.
Derivative conversion · 10b5-1 plan
C—
276.0K sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

30
KP
Komin Robert Patrick Jr.Chief Financial Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$459K
2,197 sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

23
KP
Komin Robert Patrick Jr.Chief Financial Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$123K
600 sh
Sep 29, 2026Sep 30, 2026
traded Sep 29, 2026
+1dSEC FORM 4

Evidence

26
LS
Lie SeanChief Technology Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$450K
2,200 sh
Sep 25, 2026Sep 28, 2026
traded Sep 25, 2026
+3dSEC FORM 4

Evidence

29
LS
Lie SeanChief Technology Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$1.43M
6,869 sh
Sep 25, 2026Sep 28, 2026
traded Sep 25, 2026
+3dSEC FORM 4

Evidence

29
LS
Lie SeanChief Technology Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$2.85M
13.8K sh
Sep 25, 2026Sep 28, 2026
traded Sep 25, 2026
+3dSEC FORM 4

Evidence

33
LS
Lie SeanChief Technology Officer
CBRSCerebras Systems Inc.
Open-market sale · 10b5-1 plan
SELL$4.38M
21.0K sh
Sep 25, 2026Sep 28, 2026
traded Sep 25, 2026
+3dSEC FORM 4

Evidence

11
LS
Lie SeanChief Technology Officer
CBRSCerebras Systems Inc.
Option exercise · 10b5-1 plan
M—
116.9K sh
Sep 25, 2026Sep 28, 2026
traded Sep 25, 2026
+3dSEC FORM 4

Evidence

3
LS
Lie SeanChief Technology Officer
CBRSCerebras Systems Inc.
Option exercise · 10b5-1 plan
M—
3,125 sh
Sep 25, 2026Sep 28, 2026
traded Sep 25, 2026
+3dSEC FORM 4

Evidence

0
LS
Lie SeanChief Technology Officer
CBRSCerebras Systems Inc.
Option exercise · 10b5-1 plan
M—
120.0K sh
Sep 25, 2026Sep 28, 2026
traded Sep 25, 2026
+3dSEC FORM 4

Evidence

0
LS
Lie SeanChief Technology Officer
CBRSCerebras Systems Inc.
Derivative conversion · 10b5-1 plan
C—
120.0K sh
Sep 25, 2026Sep 28, 2026
traded Sep 25, 2026
+3dSEC FORM 4

Evidence

  • ← Insider ofevidence
    Mallick DhirajChief Operating Officer · Sep 30, 2026
  • ← Insider ofevidence
    Lie SeanChief Technology Officer · Sep 28, 2026
  • ← Insider ofevidence
    Feldman Andrew D.Director, CEO, President · Sep 23, 2026
  • ← Holdsevidence
    ARK Investment Management LLC1.1% of reported portfolio · Aug 14, 2026
  • ← Holdsevidence
    TIGER GLOBAL MANAGEMENT LLC2.8% of reported portfolio · Aug 14, 2026