Form 4 Tracker
Cerebras Systems Inc.
CBRS

61 insider filings · Latest: Oct 5, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Aug 18, 2026Aug 21 12:04 AMSean LieChief Technology Officer
Sale
21,257$222.22$4.7M595,449(D)

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Aug 20, 2026Aug 20 9:00 PMSEAN LIE
Proposed Sale
710,247$215.69$153.2M—

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Aug 18, 2026Aug 20 1:12 AMAndrew D. FeldmanDirector, CEO, President
Sale
26,644$222.22$5.9M66,853(D)

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Aug 17, 2026Aug 19 9:41 PMEric VishriaDirector
Sale
68,268$229.77$15.7M31,383(I)

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Aug 18, 2026Aug 19 12:18 AMAndrew D. Feldman
Proposed Sale
26,644$251.98$6.7M—

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Aug 18, 2026Aug 19 12:17 AMSean Lie
Proposed Sale
21,257$251.98$5.4M—

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Aug 18, 2026Aug 19 12:15 AMDhiraj Mallick
Proposed Sale
38,889$251.98$9.8M—

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Aug 14, 2026Aug 18 10:38 PMSteven VassalloDirector
Sale
50,000$218.18$10.9M49,599(I)

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Aug 17, 2026Aug 17 8:30 PMVishria Eric
Proposed Sale
68,268$230.00$15.7M—

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Aug 14, 2026Aug 14 9:42 PMVassallo Family Revocable Trust dated 7/15/02
Proposed Sale
50,000$231.01$11.6M—

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Jun 30, 2026Jul 1 8:21 PMDhiraj MallickChief Operating Officer
Sale
10,000$206.51$2.1M0(D)

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Jun 26, 2026Jun 29 8:53 PMDhiraj MallickChief Operating Officer
Sale
20,000$173.73$3.5M0(D)

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Jun 25, 2026Jun 29 8:53 PMDhiraj MallickChief Operating Officer
Sale
13,314$184.89$2.5M20,000(D)

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Jun 25, 2026Jun 29 8:51 PMDhiraj MallickChief Operating Officer
Sale
36,131$169.28$6.1M33,314(D)

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Jun 26, 2026Jun 29 8:49 PMYagnesh PatelChief Accounting Officer
Sale
3,954$174.03$688.1K0(D)

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Jun 25, 2026Jun 29 8:49 PMYagnesh PatelChief Accounting Officer
Sale
46$189.36$8.7K3,954(D)

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Jun 25, 2026Jun 29 8:48 PMYagnesh PatelChief Accounting Officer
Sale
6,079$171.53$1.0M4,000(D)

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Jun 25, 2026Jun 29 8:47 PMAndrew D. FeldmanDirector, CEO, President
Sale
17,990$173.06$3.1M0(D)

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Jun 25, 2026Jun 29 8:47 PMSean LieChief Technology Officer
Sale
10,033$170.07$1.7M0(D)

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Sep 29, 2026Sep 30 10:34 PMDhiraj MallickChief Operating Officer
Option Exercise
276,000—796,807(D)

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Sep 29, 2026Sep 30 10:34 PMDhiraj MallickChief Operating Officer
Option Exercise
276,000$0.9891,370(D)

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Sep 29, 2026Sep 30 10:34 PMDhiraj MallickChief Operating Officer
Conversion
276,000—520,807(D)

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Sep 25, 2026Sep 28 8:05 PMSean LieChief Technology Officer
Conversion
120,000—7,582,992(D)

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Sep 25, 2026Sep 28 8:05 PMSean LieChief Technology Officer
Option Exercise
120,000$5.4832,420(D)

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Sep 25, 2026Sep 28 8:05 PMSean LieChief Technology Officer
Option Exercise
120,000—7,702,992(D)

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Sep 4, 2026Sep 9 12:19 AMSean LieChief Technology Officer
Option Exercise
46,141—7,629,133(D)

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Sep 4, 2026Sep 9 12:19 AMSean LieChief Technology Officer
Conversion
46,141—7,582,992(D)

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Sep 4, 2026Sep 9 12:19 AMSean LieChief Technology Officer
Option Exercise
46,141$5.48289,021(D)

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Sep 4, 2026Sep 9 12:17 AMAndrew D. FeldmanDirector, CEO, President
Option Exercise
37,441—13,982,575(D)

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Sep 4, 2026Sep 9 12:17 AMAndrew D. FeldmanDirector, CEO, President
Option Exercise
37,441$2.72525,000(D)

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Sep 4, 2026Sep 9 12:17 AMAndrew D. FeldmanDirector, CEO, President
Conversion
37,441—13,945,134(D)

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Aug 24, 2026Aug 26 8:01 PMBenchmark Capital Management Co. VIII, L.L.C.10% Owner
Conversion
963,818—8,861,375(I)

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Aug 21, 2026Aug 25 11:34 PMSteven VassalloDirector
Conversion
1,224,187—731,246(I)

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Aug 21, 2026Aug 25 11:33 PMFoundation Capital Management Co. VIII, L.L.C.10% Owner
Conversion
1,224,187—731,246(I)

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Aug 21, 2026Aug 25 10:13 PMAndrew D. FeldmanDirector, CEO, President
Option Exercise
237,559$7.89562,441(D)

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Aug 21, 2026Aug 25 10:13 PMAndrew D. FeldmanDirector, CEO, President
Conversion
237,559—13,945,134(D)

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Aug 21, 2026Aug 25 10:13 PMAndrew D. FeldmanDirector, CEO, President
Option Exercise
237,559—14,182,693(D)

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Aug 21, 2026Aug 22 12:58 AMSean LieChief Technology Officer
Option Exercise
16,293$5.48335,162(D)

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Aug 21, 2026Aug 22 12:58 AMSean LieChief Technology Officer
Option Exercise
16,293—7,599,285(D)

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