Form4insider filings, from the source

Insider · CIK 0002132472

Sean Lie

Files at: CBRS. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $168.7M · 4net −$168.7M
$100k$100k$10M$10M$1B$1BbuyssalesJun 24Jul 6Jul 18Jul 30Aug 11Aug 23Sep 5

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 4, 2026 SForm 4 →Sep 8, 8:19 pm EDTCerebras Systems Inc.CBRS53,460$210.16$11,235,154345,569−13.4%
Sep 4, 2026 CGForm 4 →Sep 8, 8:19 pm EDTCerebras Systems Inc.CBRS62,179——399,029—
Aug 20, 2026 SForm 4 →Aug 21, 8:58 pm EDTCerebras Systems Inc.CBRS726,540$207.90$151,050,463368,926−66.3%
Aug 20, 2026 CGForm 4 →Aug 21, 8:58 pm EDTCerebras Systems Inc.CBRS926,165——385,219—
Aug 18, 2026 SForm 4 →Aug 20, 8:04 pm EDTCerebras Systems Inc.CBRS21,257$222.22$4,723,765595,449−3.45%
Aug 18, 2026 CForm 4 →Aug 20, 8:04 pm EDTCerebras Systems Inc.CBRS616,706——616,706—
Jun 25, 2026 SForm 4 →Jun 29, 4:47 pm EDTCerebras Systems Inc.CBRS10,033$170.07$1,706,3110−100%
Jun 25, 2026 CForm 4 →Jun 29, 4:47 pm EDTCerebras Systems Inc.CBRS10,033——10,033—

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 4, 2026 CMForm 4 →Sep 8, 8:19 pm EDTCerebras Systems Inc.CBRS138,423——7,582,992—
Aug 20, 2026 CMForm 4 →Aug 21, 8:58 pm EDTCerebras Systems Inc.CBRS2,139,273——7,582,992—
Aug 18, 2026 CForm 4 →Aug 20, 8:04 pm EDTCerebras Systems Inc.CBRS616,706——7,582,992—
Jun 25, 2026 CForm 4 →Jun 29, 4:47 pm EDTCerebras Systems Inc.CBRS10,033——8,199,698—