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Cerebras Systems Inc.

CBRS Net selling
CIK 0002021728 #582 in the set updated 21 Sep 2026
Bought (1 mo)
$0.00
out of their own pocket, the only kind of buying there is
Sold (1 mo)
$29.63M
$0.00 on a plan · $19.11M straight out of an exercise
Sold at will
$10.52M
3 of 20 sales
Net
−$29.63M
−$10.52M against sales at will

By person

12 insiders · 20 transactions
Insider
Role
Bought
Sold
Net
Holding
Worth
Change
Lie Sean
Chief Technology Officer
$11.24M (1) scheduled
−$11.24M
345,569
$74.86M
−95.9%
Vassallo Steven
Director
$10.52M (3)
−$10.52M
451,213
$97.74M
+223.2%
Feldman Andrew D.
CEO, President
$7.88M (16) scheduled
−$7.88M
18,345
$3.97M
−99.9%
Susan Lior
Director
801,470
$173.61M
Vishria Eric
Director
418,187
$90.59M
+123.8%
Mallick Dhiraj
Chief Operating Officer
120,000
$25.99M
−90.7%
Komin Robert Patrick Jr.
Chief Financial Officer
32,500
$7.04M
−96.8%
Patel Yagnesh
Chief Accounting Officer
16,676
$3.61M
−88.9%
Foundation Capital Management Co. VIII, L.L.C. entity
10% owner
0
$0.00
Benchmark Capital Management Co. VIII, L.L.C. entity
10% owner
0
$0.00
DONIO ELENA A.
Director
0
$0.00
−100.0%
Auvil Paul R. III
Director
0
$0.00
−100.0%

No percentages here. This company's share count has moved by a factor of 2.9 over the window, from 52,003,000 to 150,968,000 shares. A split, a merger or a large issue changes what the company is, and a holding measured at one point in that run is not a fraction of it at another.

Insider
Date
Role
Action
Shares
Price
Amount
Vassallo Steven
4 Sep 2026
Director
Sell indirect
7,110
$211.56
$1.50M
Vassallo Steven
4 Sep 2026
Director
Sell indirect
21,773
$210.37
$4.58M
Vassallo Steven
4 Sep 2026
Director
Sell indirect
21,117
$209.81
$4.43M

What was left out

Form 4 filings counted 12
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 3
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 17
Sales at will 3
Transactions with no price 0
Shares from compensation/vesting 3,611,983
History held since 15 May 2026