Sean Lie
Sean Lie: Chief Technology Officer at Cerebras Systems. What Sean Lie 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)
Sean Lie holds 8.1M Cerebras Systems shares (3.4% of the company), worth about $1.5B at the last price, according to the Form 4 of Sep 25, 2026.
- Shares held: 7.9M (3.3%), $1.4B — Held in their own name: 7.6M Class B, 309,569 Class A.
- Shares held: 180,600 (0.08%), $32.7M — Held by a spouse or a family member (By Spouse): 180,600 Class B.
- Options: 172,146 (0.07%), $31.1M — The right to buy 172,146 shares at $5.48 each, until 2034. Not bought yet.
- Options: 41,764 (0.02%), $7.6M — The right to buy 41,764 shares at $2.40 each, until 2029. Not bought yet.
- Options: 36,764 (0.02%), $6.6M — The right to buy 36,764 shares at $2.72 each, until 2030. Not bought yet.
- Options: 32,420 (0.01%), $5.9M — The right to buy 32,420 shares at $5.02 each, until 2033. Not bought yet.
- Options: 12,674 (0.01%), $2.3M — The right to buy 12,674 shares at $7.89 each, until 2032. Not bought yet.
Declarations
- Cerebras Systems (CBRS) — Form 4 of Sep 25, 2026 (Chief Technology Officer): conversion of 120,000; gift of 36,000; 8.1M shares after 0001628280-26-063713
- Cerebras Systems (CBRS) — Form 4 of Sep 4, 2026 (Chief Technology Officer): conversion of 46,141; gift of 16,038; 8.1M shares after 0001628280-26-060988
- Cerebras Systems (CBRS) — Form 4 of Aug 21, 2026 (Chief Technology Officer): conversion of 696,798; gift of 213,074; 8.1M shares after 0001628280-26-058506
- Cerebras Systems (CBRS) — Form 4 of Aug 18, 2026 (Chief Technology Officer): conversion of 616,706; open-market sale of 1 at $214.85; 8.4M shares after 0001628280-26-058312
- Cerebras Systems (CBRS) — Form 4 of Jun 25, 2026 (Chief Technology Officer): conversion of 10,033; open-market sale of 2,534 at $165.21; 8.4M shares after 0001628280-26-046031
- Cerebras Systems (CBRS) — Form 4 of May 15, 2026 (Chief Technology Officer): shares withheld for tax of 96,127 at $185.00; other of 8.2M; 8.4M shares after 0001628280-26-035739
- Cerebras Systems (CBRS) — Form 3 of May 13, 2026 (Chief Technology Officer); 8.5M shares after 0001628280-26-034701
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.