Transaction · 0001104659-26-101469

Benchmark Capital Management Co. VIII, L.L.C.

Benchmark Capital Management Co. VIII, L.L.C., 10%, reported a transaction classified as unknown at Cerebras Systems Inc. involving 963818.000000 shares for an estimated $0.00. Reported holdings after the transaction were 8861375.000000 shares. The stored filing text includes a detected 10b5-1 reference.

unknownSEC transaction code C10%
CBRSCerebras Systems Inc.
Trade date
Aug 24, 2026
Filing date
Aug 26, 2026
View on SEC Insider profile
Estimated value$0Shares × reported price
Shares traded963k$0.00 per share
Holdings after8.86MIndirect · See Footnote
% 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.

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 +9.3%1w ago +38.3%1d ago +7.7%
Returns since7d +1.3%30d +13.5%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
unknown
Code C
Identifier
0001104659-26-101469
Class B Common Stock
Transaction date
Aug 24, 2026
Filed Aug 26, 2026, 08:01 PM · 2d delay
Shares
963,818 sh
$0.00 per share
Estimated value
$0
Computed from shares × price
Holdings after
8,861,375 sh
Indirect · See Footnote

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Derivative Transaction 10b5-1 Detected
Filing-only score

-22 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
  • timely_filing+4 points

    reporting_delay_days = 2

    Filing reported within two business days of the transaction.
  • derivative_transaction-16 points

    is_derivative = true

    Derivative exercise rows are less discretionary than open-market purchases.
  • tenb5_1_detected-10 points

    is_10b5_1 = true

    Stored filing content includes detected 10b5-1 language.
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 No10% YesOther No
Footnotes & amended
  1. F1

    Conversion of a derivative security in accordance with its terms.

  2. F2

    The shares are held by Benchmark Capital Partners VIII, L.P. ("BCP VIII"), as nominee for itself, Benchmark Founders' Fund VIII, L.P. ("BFF VIII") and Benchmark Founders' Fund VIII-B, L.P. ("BFF VIII-…

  3. F3

    Represents a pro-rata, in-kind distribution by BCP VIII and its affiliated funds, not for additional consideration, to its partners, including BCMC VIII and its respective members and assignees, in ac…

  4. F4

    Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subje…

  5. F5

    The shares are held by Benchmark Capital Partners IX, L.P. ("BCP IX"), as nominee for itself, Benchmark Founders' Fund IX, L.P. ("BFF IX"), Benchmark Founders' Fund IX-A, L.P. ("BFF IX-A"), and Benchm…

Original filing · 0001104659-26-101469
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