Skip to content
sellWeak cluster of 410b5-1 plan

Yagnesh Patel sold $270k of CBRS

Chief Accounting Officer at Cerebras Systems Inc.. 1,320 shares at an average of $204.50, traded Sep 28, 2026, filed Sep 30, 2026.

Warning score
23
Value
$270k
1,320 shares
Holdings after
15,356
-8% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Officer
    +15
  • Trade size
    $270k at market
    +13
  • Share of holdings sold
    Sold 7.9% of holdings
    0
  • Cluster
    4 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

CBRSOct 12, 2026 · close 146.62
Since filing Sep 30, 2026: -17.5%SPY +2.0% · excess -19.5%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001628280-26-064040, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 28, 2026SOpen-market sale
Class A Common Stock10b5-1
-1,320$204.50$270k15,35614 d ago

Related signals

Other insiders at Cerebras Systems Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
45Moderate
CBRSsell 410b5-1
Cerebras Systems Inc.
Dhiraj Mallick
Chief Operating Officer
$81M
396,000 shares
-100%
62Notable
CBRSsell 410b5-1
Cerebras Systems Inc.
Robert Patrick Komin Jr.
Chief Financial Officer
$6.6M
32,500 shares
-100%
30Weak
CBRSsell 410b5-1
Cerebras Systems Inc.
Sean Lie
Chief Technology Officer
$25M
120,000 shares
-28%
50Moderate
CBRSsell 310b5-1
Cerebras Systems Inc.
Andrew D. Feldman
CEO, President
$7.9M
37,441 shares
-69%
25Weak
CBRSsell 310b5-1
Cerebras Systems Inc.
Sean Lie
Chief Technology Officer
$11M
53,460 shares
-13%
60Notable
CBRSsell 3
Cerebras Systems Inc.
Steven Vassallo
director
$11M
50,000 shares
-23%
50Moderate
CBRSsell 610b5-1
Cerebras Systems Inc.
Andrew D. Feldman
CEO, President
$47M
237,559 shares
-93%
40Moderate
CBRSsell 610b5-1
Cerebras Systems Inc.
Sean Lie
Chief Technology Officer
$151M
726,540 shares
-67%
55Moderate
CBRSsell 6
Cerebras Systems Inc.
Sean Lie
Chief Technology Officer
$4.7M
21,257 shares
-3%
65Notable
CBRSsell 6
Cerebras Systems Inc.
Dhiraj Mallick
Chief Operating Officer
$8.6M
38,889 shares
-24%

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.

Yagnesh Patel sold $270k of CBRS | InsiderTell