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Insider · CIK 0002132472

Sean Lie

officer

Files at CBRS (Cerebras Systems Inc.). First filing Sep 8, 2026, latest Sep 28, 2026.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 2
$0 bought, $36M sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

CBRS: Cerebras Systems Inc.

CBRSOct 9, 2026 · close 164.17

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
30Weak
CBRSsell 410b5-1
Cerebras Systems Inc.
$25M
120,000 shares
-28%-
25Weak
CBRSsell 310b5-1
Cerebras Systems Inc.
$11M
53,460 shares
-13%-

Transactions

Every row this insider has filed, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Sep 25, 2026CBRS
Cerebras Systems Inc.
CConversion
Class A Common Stock10b5-1
+120,000--465,56914 d ago
Sep 25, 2026CBRS
Cerebras Systems Inc.
GGift
Class A Common Stock10b5-1
-36,000$0.00$0429,56914 d ago
Sep 25, 2026CBRS
Cerebras Systems Inc.
SOpen-market sale
Class A Common Stock10b5-1
-500$212.14$106k429,06914 d ago
Sep 25, 2026CBRS
Cerebras Systems Inc.
SOpen-market sale
Class A Common Stock10b5-1
-9,177$211.32$1.9M419,89214 d ago
Sep 25, 2026CBRS
Cerebras Systems Inc.
SOpen-market sale
Class A Common Stock10b5-1
-30,565$210.45$6.4M389,32714 d ago
Sep 25, 2026CBRS
Cerebras Systems Inc.
SOpen-market sale
Class A Common Stock10b5-1
-29,991$209.53$6.3M359,33614 d ago
Sep 25, 2026CBRS
Cerebras Systems Inc.
SOpen-market sale
Class A Common Stock10b5-1
-21,022$208.41$4.4M338,31414 d ago
Sep 25, 2026CBRS
Cerebras Systems Inc.
SOpen-market sale
Class A Common Stock10b5-1
-6,869$207.54$1.4M331,44514 d ago
Sep 25, 2026CBRS
Cerebras Systems Inc.
SOpen-market sale
Class A Common Stock10b5-1
-13,776$206.63$2.8M317,66914 d ago
Sep 25, 2026CBRS
Cerebras Systems Inc.
SOpen-market sale
Class A Common Stock10b5-1
-5,900$205.30$1.2M311,76914 d ago
Sep 25, 2026CBRS
Cerebras Systems Inc.
SOpen-market sale
Class A Common Stock10b5-1
-2,200$204.50$450k309,56914 d ago
Sep 25, 2026CBRS
Cerebras Systems Inc.
MOption exercise
Stock Optionderivative10b5-1
-116,875$0.00$0172,14614 d ago
Sep 25, 2026CBRS
Cerebras Systems Inc.
MOption exercise
Stock Optionderivative10b5-1
-3,125$0.00$032,42014 d ago
Sep 25, 2026CBRS
Cerebras Systems Inc.
MOption exercise
Class B Common Stockderivative10b5-1
+120,000$0.00$07,702,99214 d ago
Sep 25, 2026CBRS
Cerebras Systems Inc.
CConversion
Class B Common Stockderivative10b5-1
-120,000$0.00$07,582,99214 d ago
Sep 4, 2026CBRS
Cerebras Systems Inc.
CConversion
Class A Common Stock
+46,141--415,06734 d ago
Sep 4, 2026CBRS
Cerebras Systems Inc.
GGift
Class A Common Stock
-16,038$0.00$0399,02934 d ago
Sep 4, 2026CBRS
Cerebras Systems Inc.
SOpen-market sale
Class A Common Stock10b5-1
-53,460$210.16$11M345,56934 d ago
Sep 4, 2026CBRS
Cerebras Systems Inc.
MOption exercise
Stock Optionderivative
-46,141$0.00$0289,02134 d ago
Sep 4, 2026CBRS
Cerebras Systems Inc.
MOption exercise
Class B Common Stockderivative
+46,141$0.00$07,629,13334 d ago
Sep 4, 2026CBRS
Cerebras Systems Inc.
CConversion
Class B Common Stockderivative
-46,141$0.00$07,582,99234 d ago

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Sean Lie: insider trades and track record | InsiderTell