Transaction · 0001567929-26-000006

Vassallo Steven

Vassallo Steven, DIR, reported a transaction classified as unknown at Cerebras Systems Inc. involving 1738913.000000 shares. Reported holdings after the transaction were 10433479.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

unknownSEC transaction code CDIR
CBRSCerebras Systems Inc.
Trade date
Aug 18, 2026
Filing date
Aug 21, 2026
View on SEC Insider profile
Estimated value—Shares × reported price
Shares traded1.73MPrice unknown
Holdings after10.4MIndirect · By Foundation Capital VIII, L.P.
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Not calculated for derivative securities.

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.

Filing warnings

Notes recorded with this filing
1 warning
missing priceThe filing did not provide a usable price per share.

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 -11.9%1w ago +19.7%1d ago +28.5%
Returns since7d -8.7%30d +1.1%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
unknown
Code C
Identifier
0001567929-26-000006
Class B Common Stock
Transaction date
Aug 18, 2026
Filed Aug 21, 2026, 12:53 AM · 3d delay
Shares
1,738,913 sh
Price unknown
Estimated value
—
Computed from shares × price
Holdings after
10,433,479 sh
Indirect · By Foundation Capital VIII, L.P.

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Derivative Transaction
Filing-only score

-24 points

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

Low filing signal

This filing has a meaningfully negative filing-only score. It is likely less useful as a positive insider-activity signal.

How this score is calculated
  • derivative_transaction-16 points

    is_derivative = true

    Derivative exercise rows are less discretionary than open-market purchases.
  • missing_price-8 points

    price_cents is null

    Missing price reduces confidence in value-based signals.
Missing facts
  • price_cents
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. F2F3F4F9F12F17(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 a pro rata, in-kind distribution, and not a purchase or sale of securities, by FCMLF2 to its members without additional consideration.

  10. F14

    Represents receipt of shares in the distributions in kind described in footnotes (6), (10) and (13).

  11. F15

    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…

  12. F16

    Represents receipt of shares in the distributions in kind described in footnotes (10) and (13).

  13. F18

    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 · 0001567929-26-000006
Related transactions

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