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CIK 0002021728 · <br>Emerging growth company

Cerebras Systems Inc.

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Ticker
CBRS
Exchange
Nasdaq
Industry
Semiconductors & Related Devices
FY end
Dec 31
Incorporated
DE
Entity type
operating
Phone
(650) 933-4890
Business address
1237 E. ARQUES AVE., SUNNYVALE, CA, 94085
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$383,715,312
in 15 filings, $135.4M under 10b5-1 plans

Net −$383,715,312. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Lie Sean −$199.0M Chief Technology Officer sold 79% of stake
  2. Mallick Dhiraj −$89.4M Chief Operating Officer sold 100% of stake
  3. Feldman Andrew D. −$61.1M CEO, President sold 95% of stake
  4. Vishria Eric −$15.7M Director sold 69% of stake
  5. Vassallo Steven −$10.5M Director sold 23% of stake
Date Insider Transaction Shares Price Value Owned after
2026-08-20 Lie Sean Chief Technology Officer Sale −24,652 $212.64 $5.2M 368,926
2026-08-20 Lie Sean Chief Technology Officer Option exercise · Stock Option −308,236 41,764
2026-08-20 Lie Sean Chief Technology Officer Option exercise · Stock Option −138,236 36,764
2026-08-20 Lie Sean Chief Technology Officer Option exercise · Stock Option −87,326 12,674
2026-08-20 Lie Sean Chief Technology Officer Option exercise · Stock Option −114,455 35,545
2026-08-20 Lie Sean Chief Technology Officer Option exercise · Stock Option −48,545 351,455
2026-08-20 Lie Sean Chief Technology Officer Option exercise · Class B Common Stock +696,798 8,279,790
2026-08-20 Lie Sean Chief Technology Officer Conversion · Class B Common Stock −696,798 7,582,992
2026-08-19 Susan Lior Director Other disposition −902,235 8,295,180
2026-08-19 Susan Lior Director Other acquisition +46,422 244,206
2026-08-19 Susan Lior Director Other acquisition +46,780 207,571
2026-08-18 Komin Robert Patrick Jr. Chief Financial Officer Conversion +32,500 32,500
2026-08-18 Komin Robert Patrick Jr. Chief Financial Officer Conversion · Class B Common Stock −32,500 821,653
2026-08-18 Patel Yagnesh Chief Accounting Officer Conversion +6,250 21,250
2026-08-18 Patel Yagnesh Chief Accounting Officer Sale −228 $215.67 $49K 21,022
2026-08-18 Patel Yagnesh Chief Accounting Officer Sale −389 $216.40 $84K 20,633
2026-08-18 Patel Yagnesh Chief Accounting Officer Sale −289 $217.58 $63K 20,344
2026-08-18 Patel Yagnesh Chief Accounting Officer Sale −359 $218.54 $78K 19,985
2026-08-18 Patel Yagnesh Chief Accounting Officer Sale −408 $219.58 $90K 19,577
2026-08-18 Patel Yagnesh Chief Accounting Officer Sale −801 $220.43 $177K 18,776

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