Form4insider filings, from the source

Insider · CIK 0002039573

Andrew D. Feldman

Files at: CBRS. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $64.3M · 4net −$64.3M
$10k$10k$1M$1M$100M$100MbuyssalesJun 24Jul 6Jul 18Jul 30Aug 11Aug 23Sep 5

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 21, 2026 JForm 4 →Sep 23, 5:16 pm EDTCerebras Systems Inc.CBRS120——926—
Sep 4, 2026 SForm 4 →Sep 8, 8:17 pm EDTCerebras Systems Inc.CBRS37,441$210.46$7,879,68716,853−69.0%
Sep 4, 2026 CJForm 4 →Sep 8, 8:17 pm EDTCerebras Systems Inc.CBRS37,561——806—
Aug 21, 2026 SForm 4 →Aug 25, 6:13 pm EDTCerebras Systems Inc.CBRS237,559$199.27$47,338,83516,853−93.4%
Aug 21, 2026 CGJForm 4 →Aug 25, 6:13 pm EDTCerebras Systems Inc.CBRS287,679——686—
Aug 18, 2026 SForm 4 →Aug 19, 9:12 pm EDTCerebras Systems Inc.CBRS26,644$222.22$5,920,93766,853−28.5%
Aug 17, 2026 CJForm 4 →Aug 19, 9:12 pm EDTCerebras Systems Inc.CBRS93,795——93,497—
Jun 29, 2026 JForm 4 →Jul 1, 4:22 pm EDTCerebras Systems Inc.CBRS268——268—
Jun 25, 2026 SForm 4 →Jun 29, 4:47 pm EDTCerebras Systems Inc.CBRS17,990$173.06$3,113,2830−100%
Jun 25, 2026 CForm 4 →Jun 29, 4:47 pm EDTCerebras Systems Inc.CBRS17,990——17,990—

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 4, 2026 CMForm 4 →Sep 8, 8:17 pm EDTCerebras Systems Inc.CBRS112,323——13,945,134—
Aug 21, 2026 CMForm 4 →Aug 25, 6:13 pm EDTCerebras Systems Inc.CBRS712,677——13,945,134—
Aug 18, 2026 CForm 4 →Aug 19, 9:12 pm EDTCerebras Systems Inc.CBRS93,497——13,945,134—
Jun 25, 2026 CForm 4 →Jun 29, 4:47 pm EDTCerebras Systems Inc.CBRS17,990——14,038,631—