Form4insider filings, from the source

Insider · CIK 0001567929

Steven Vassallo

Files at: CBRS, RUN, SSNI, TUBE, CTRL. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $21.4M · 2net −$21.4M
$10k$10k$1M$1M$100M$100MbuyssalesMar 28Apr 27May 28Jun 28Jul 29Aug 28Sep 28

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 4, 2026 SForm 4 →Sep 8, 8:20 pm EDTCerebras Systems Inc.CBRS50,000$210.30$10,515,135171,977−22.5%
Aug 21, 2026 CJForm 4 →Aug 25, 7:34 pm EDTCerebras Systems Inc.CBRS3,162,264——139,618—
Aug 18, 2026 CJForm 4 →Aug 20, 8:53 pm EDTCerebras Systems Inc.CBRS4,942,804——105,070—
Aug 14, 2026 SForm 4 →Aug 18, 6:38 pm EDTCerebras Systems Inc.CBRS50,000$218.18$10,909,10149,599−50.2%
Jun 24, 2026 CJForm 4 →Aug 18, 6:38 pm EDTCerebras Systems Inc.CBRS4,877,265——50,944— late

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 21, 2026 CForm 4 →Aug 25, 7:34 pm EDTCerebras Systems Inc.CBRS1,224,187——731,246—
Aug 18, 2026 CForm 4 →Aug 20, 8:53 pm EDTCerebras Systems Inc.CBRS1,912,792——818,559—
Jun 24, 2026 CForm 4 →Aug 18, 6:38 pm EDTCerebras Systems Inc.CBRS1,912,792——954,985— late