Transaction · 0001567929-26-000003

Vassallo Steven

Vassallo Steven, DIR, reported an open-market or private sale at Cerebras Systems Inc. involving 16671.000000 shares for an estimated $3625442.37. Reported holdings after the transaction were 76847.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code SDIR
CBRSCerebras Systems Inc.
Trade date
Aug 14, 2026
Filing date
Aug 18, 2026
View on SEC Insider profile
Estimated value-$3.62MShares × reported price
Shares traded16.6k$217.47 per share
Holdings after76.8kIndirect · By Revocable Trust
% of reported position traded17.83%This security and ownership context
How reported position traded is calculated

Shares sold ÷ (holdings after + shares sold). Estimated position before: 93,518 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

CBRS price since this filing

Daily closing prices, with the filing date and available return windows
CBRS · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -16.4%1w ago +3.1%1d ago +5.0%
Returns since7d -16.9%30d -11.8%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001567929-26-000003
Class A Common Stock
Transaction date
Aug 14, 2026
Filed Aug 18, 2026, 10:38 PM · 4d delay
Shares
16,671 sh
$217.47 per share
Estimated value
-$3.62M
Computed from shares × price
Holdings after
76,847 sh
Indirect · By Revocable Trust

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Large Sale Repeat Seller
Filing-only score

0 points

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.

How this score is calculated
    Read the scoring methodology

    Signed filing-only points, not a probability or expected return. Version v1.

    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

      Each share of Class B Common Stock was converted into one share of Class A Common Stock for no additional consideration.

    2. F2F3F4F9F12F16(6 footnotes)

      Securities are directly held by Foundation Capital VIII, L.P. ("FC8"). Foundation Capital Management Co. VIII, L.L.C. ("FCM8") is the general partner of FC8. The Reporting Person is a manager of FCM8…

    3. F5

      Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by FC8 to its general partner and limited partners without additional consideration.

    4. F6

      Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by FC8P to its general partner and limited partners without additional consideration.

    5. F7

      Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by FCLF2 to its general partner and limited partners without additional consideration.

    6. F8

      Represents receipt of shares in the distributions in kind described in footnotes (5) and (6).

    7. F10

      Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by FCM8 to its members without additional consideration.

    8. F11

      Represents receipt of shares in the distribution in kind described in footnote (7).

    9. F13

      Represents receipt of shares in the distributions in kind described in footnotes (6) and (10).

    10. F14

      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…

    11. F15

      Represents receipt of shares in the distribution in kind described in footnote (10).

    12. F17

      The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $215.79 to $216.78 inclusive. The Reporting Person undertakes to…

    13. F18

      The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $216.87 to $217.86 inclusive. The Reporting Person undertakes to…

    14. F19

      The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $217.90 to $218.89 inclusive. The Reporting Person undertakes to…

    15. F20

      The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $218.90 to $219.89 inclusive. The Reporting Person undertakes to…

    16. F21

      The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $219.90 to $220.15 inclusive. The Reporting Person undertakes to…

    17. F22

      Each share of Class B Common Stock is convertible into one share of Class A Common Stock at any time at the option of the holder and does not expire.

    Original filing · 0001567929-26-000003
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