Transaction · 0001628280-26-060989

Vassallo Steven

Vassallo Steven, DIR, reported an open-market or private sale at Cerebras Systems Inc. involving 7110.000000 shares for an estimated $1504191.60. Reported holdings after the transaction were 171977.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code SDIR
CBRSCerebras Systems Inc.
Filing timeSep 09
Trade dateSep 04, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$199.77
Pre-filing
1mo ago +7.3%1w ago -10.4%1d ago -4.7%
Returns since
7d +0.0%30d +0.0%90d +0.0%180d +0.0%1y +0.0%

CBRS price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
CBRS since 2026-09-09Filed today · pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001628280-26-060989
Class A Common Stock
Transaction date
Sep 04, 2026
Filed Sep 09, 2026, 12:20 AM · 5d delay
Shares
7.11k sh
$21.1k per share
Estimated value
-$150M
Computed from shares × price
Holdings after
171k sh
Indirect · By Revocable Trust

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Cluster Selling Large Sale Repeat Seller
0score
Filing-only score

0

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $209.00 to $209.99, inclusive. Upon request by the staff of the Securities and…

  2. F2

    The securities are held by a revocable family trust, of which the Reporting Person is a co-trustee. The Reporting Person disclaims beneficial ownership of such shares except to the extent of his propo…

  3. F3

    The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $210.00 to $210.99, inclusive. Upon request by the staff of the Securities and…

  4. F4

    The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $211.00 to $211.99, inclusive. Upon request by the staff of the Securities and…

  5. F5

    The securities are held by an irrevocable GST trust, of which the Reporting Person is a co-trustee. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecu…

Original filing · 0001628280-26-060989
Related transactions

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Same reporting owner
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