Cerebras (CBRS) — Benchmark-Affiliated Funds Report Class B Share Holdings

What Happened The Form 4 filed for Cerebras Systems (CBRS) on 2026-08-19 was submitted by entities affiliated with Benchmark (Benchmark AI Infrastructure Fund, L.P., Benchmark AI Infrastructure Fund B, L.P., and Benchmark AI Infrastructure Management Co., L.L.C.). The filing discloses holdings of Class B common stock and includes footnotes clarifying that the shares are held by the Benchmark AI Infrastructure Fund entities and that Benchmark AI Infrastructure Management Co. may be deemed to have sole voting and dispositive power. The filing also notes that Class B shares are convertible into Class A shares under specified circumstances.

Key Details

• Reporting entities: Benchmark AI Infrastructure Fund, L.P.; Benchmark AI Infrastructure Fund B, L.P.; Benchmark AI Infrastructure Management Co., L.L.C.
• Filing date: 2026-08-19; Period of report: 2026-08-17.
• Footnote highlights:
  • F1: Shares held by AI Infrastructure (and AI Infrastructure B) with AI Infrastructure MC as general partner; each entity disclaims group status and beneficial ownership except for pecuniary interest.
  • F2: Each Class B share converts into one Class A share upon sale/transfer or at reporting person’s option per issuer charter.
• Remark: This Form 4 is one of two related filings by Benchmark-affiliated entities covering the same holdings.

Context

• The filing, as provided, mainly documents beneficial ownership and conversion/voting-power clarifications rather than an explicit open-market purchase or sale. For retail investors, ownership disclosures and conversion terms are informational—conversion could affect share class counts but does not by itself indicate a buy/sell market signal.
• If you want a transaction-focused summary (e.g., shares bought or sold, prices, total $ value, shares after transaction), please provide the transaction rows (dates, transaction codes P/S/M/etc., number of shares, price, and shares owned after) from the Form 4 and I’ll produce a concise transaction-oriented summary.