Transaction · 0001567929-26-000003

Vassallo Steven

Vassallo Steven, DIR, reported an open-market or private sale at Cerebras Systems Inc. involving 11834.000000 shares for an estimated $2585255.64. Reported holdings after the transaction were 65013.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code SDIR
CBRSCerebras Systems Inc.
Filing timeAug 18
Trade dateAug 14, 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
$220.01
Pre-filing
1mo ago -16.4%1w ago +3.1%1d ago +5.0%
Returns since
7d -16.9%30d -21.5%90d -21.5%180d -21.5%1y -21.5%

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 2026-08-18Filed 22 days ago · 30 days of 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
0001567929-26-000003
Class A Common Stock
Transaction date
Aug 14, 2026
Filed Aug 18, 2026, 10:38 PM · 4d delay
Shares
11.8k sh
$21.8k per share
Estimated value
-$258M
Computed from shares × price
Holdings after
65.0k sh
Indirect · By Revocable Trust

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
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

    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
Related transactions

0 other filings

Same reporting owner
Recent company activity

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