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
Jun 25, 2026Jun 29 8:47 PMAndrew D. FeldmanDirector, CEO, President
Conversion
17,990—14,038,631(D)

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Jun 25, 2026Jun 29 8:47 PMSean LieChief Technology Officer
Conversion
10,033—8,199,698(D)

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Jun 11, 2026Jun 12 10:14 PMLior SusanDirector
Conversion
13,466,197—0(I)

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May 15, 2026May 19 9:03 PMBenchmark AI Infrastructure Management Co., L.L.C.10% Owner
Conversion
2,527,646—0(I)

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May 15, 2026May 19 9:03 PMBenchmark AI Infrastructure Management Co., L.L.C.10% Owner
Conversion
2,527,646—2,527,646(I)

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May 15, 2026May 19 9:00 PMBenchmark Capital Management Co. VIII, L.L.C.10% Owner
Conversion
15,075,337—689,990(I)

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May 15, 2026May 19 9:00 PMBenchmark Capital Management Co. VIII, L.L.C.10% Owner
Conversion
15,075,337—0(I)

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May 15, 2026May 19 8:15 PMFoundation Capital Management Co. VIII, L.L.C.10% Owner
Conversion
15,302,343—1,091,411(I)

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May 15, 2026May 19 8:15 PMFoundation Capital Management Co. VIII, L.L.C.10% Owner
Conversion
15,302,343—0(I)

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May 15, 2026May 16 12:06 AMDhiraj MallickChief Operating Officer
Other (J)
1,272,370$6.470(D)

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May 15, 2026May 16 12:06 AMDhiraj MallickChief Operating Officer
Other (J)
2,074,368$6.47105,000(D)

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May 15, 2026May 15 10:50 PMLior SusanDirector, 10% Owner
Conversion
12,372,199—13,466,197(I)

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May 15, 2026May 15 10:50 PMLior SusanDirector, 10% Owner
Conversion
12,372,199—0(I)

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May 15, 2026May 15 10:50 PMLior SusanDirector, 10% Owner
Other (J)
1,093,998—1,093,998(I)

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May 15, 2026May 15 10:50 PMSteven VassalloDirector
Conversion
15,302,343—15,302,343(I)

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May 15, 2026May 15 10:50 PMSteven VassalloDirector
Conversion
15,302,343—0(I)

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May 15, 2026May 15 10:50 PMRobert Patrick Komin Jr.Chief Financial Officer
Other (J)
18,248$5.480(D)

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May 15, 2026May 15 10:50 PMRobert Patrick Komin Jr.Chief Financial Officer
Other (J)
1,047,401$5.4818,248(I)

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May 15, 2026May 15 10:50 PMDONIO ELENA A.Director
Other (J)
33,701—33,701(D)

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May 15, 2026May 15 10:49 PMPaul R. Auvil IIIDirector
Other (J)
203,750—203,750(D)

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