Lie Sean — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Lie Sean has filed 2 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $1.71M.

Profile

Lie Sean

As of May 15, 2026, Lie Sean is reported as the Chief Technology Officer of Cerebras Systems Inc., responsible for overseeing the company’s technology strategy, engineering leadership, and product development for Cerebras' AI hardware platform. Public biographical information about Lie Sean is limited in major public sources; the SEC filing context confirms the CTO role but does not provide a detailed career history. Cerebras Systems is a private AI hardware company focused on accelerating deep learning workloads.

RoleChief Technology Officer
Notability40/100

Board memberships

Awards & honors

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-06-29CBRSCerebras Systems Inc.S — Open-market sale104$186.51$19K
2026-06-29CBRSCerebras Systems Inc.S — Open-market sale100$185.51$19K
2026-06-29CBRSCerebras Systems Inc.S — Open-market sale705$184.80$130K
2026-06-29CBRSCerebras Systems Inc.S — Open-market sale300$183.71$55K
2026-06-29CBRSCerebras Systems Inc.S — Open-market sale200$182.57$37K
2026-06-29CBRSCerebras Systems Inc.S — Open-market sale200$181.20$36K
2026-06-29CBRSCerebras Systems Inc.S — Open-market sale300$180.12$54K
2026-06-29CBRSCerebras Systems Inc.S — Open-market sale242$178.66$43K
2026-06-29CBRSCerebras Systems Inc.S — Open-market sale100$175.57$18K
2026-06-29CBRSCerebras Systems Inc.S — Open-market sale200$173.16$35K
2026-06-29CBRSCerebras Systems Inc.S — Open-market sale263$171.78$45K
2026-06-29CBRSCerebras Systems Inc.S — Open-market sale110$170.57$19K
2026-06-29CBRSCerebras Systems Inc.S — Open-market sale400$169.62$68K
2026-06-29CBRSCerebras Systems Inc.S — Open-market sale922$168.80$156K
2026-06-29CBRSCerebras Systems Inc.S — Open-market sale3.4K$165.43$555K
2026-06-29CBRSCerebras Systems Inc.S — Open-market sale2.5K$165.21$419K
2026-06-29CBRSCerebras Systems Inc.J — Other acquisition / disposition10.0K
2026-05-15CBRSCerebras Systems Inc.J — Other acquisition / disposition180.6K
2026-05-15CBRSCerebras Systems Inc.J — Other acquisition / disposition8.21M
2026-05-15CBRSCerebras Systems Inc.F — Tax withholding / forfeiture96.1K$185.00$17.78M

Companies — Last 90 Days

Frequently Asked Questions

Who is Lie Sean?

As of May 15, 2026, Lie Sean is reported as the Chief Technology Officer of Cerebras Systems Inc., responsible for overseeing the company’s technology strategy, engineering leadership, and product development for Cerebras' AI hardware platform. Public biographical information about Lie Sean is limited in major public sources; the SEC filing context confirms the CTO role but doe…

How many SEC Form 4 filings has Lie Sean submitted recently?

2 primary Form 4 filings in the last 90 days, covering 1 company.

Has Lie Sean been buying or selling stock?

Recorded transactions: 0 open-market purchases () and 16 open-market sales ($1.71M) across all tracked filings.

Where can I see all of Lie Sean's SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Learn More

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