Steven Vassallo
Steven Vassallo: Director at Cerebras Systems. What Steven Vassallo holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
Cerebras Systems (CBRS)
Steven Vassallo holds 10.6M Cerebras Systems shares (4.4% of the company), worth about $1.9B at the last price, according to the Form 4 of Sep 4, 2026.
- Shares held: 10.3M (4.3%), $1.9B — Held by a foundation (By Foundation Capital VIII, L.P., By Foundation Capital VIII Principals Fund, LLC, By Foundation Capital Leadership Fund II, L.P.): 10.3M Class B.
- Shares held: 311,595 (0.13%), $56.4M — Held through trusts (By Revocable Trust, By Irrevocable Trust): 311,595 Class A.
- Convertible securities: 15.3M (6.4%), $2.8B — 15.3M shares to be obtained by converting bonds or preferred shares already held.
Declarations
- Cerebras Systems (CBRS) — Form 4 of Sep 4, 2026: open-market sale of 21,117 at $209.81; open-market sale of 21,773 at $210.37; 311,595 shares after 0001628280-26-060989
- Cerebras Systems (CBRS) — Form 4 of Aug 21, 2026: conversion of 1.1M; conversion of 23,970; 10.6M shares after 0001567929-26-000008
- Cerebras Systems (CBRS) — Form 4 of Aug 18, 2026: conversion of 1.7M; conversion of 37,453; 11.7M shares after 0001567929-26-000006
- Cerebras Systems (CBRS) — Form 4 of Aug 14, 2026: conversion of 1.4M; conversion of 29,963; 13.5M shares after 0001567929-26-000003
- Cerebras Systems (CBRS) — Form 4 of May 15, 2026: conversion of 15.3M; 15.3M shares after 0001628280-26-035744
- Cerebras Systems (CBRS) — Form 3 of May 13, 2026 0001628280-26-034751
Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.