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sellStrong cluster of 4

Dhiraj Mallick sold $2.1M of CBRS

Chief Operating Officer at Cerebras Systems Inc.. 10,000 shares at an average of $206.51, traded Jun 30, 2026, filed Jul 1, 2026.

Warning score
80
Value
$2.1M
10,000 shares
Holdings after
0
-100% from before
From 52-week low
+31%
low $168.52, close $221.00
From 52-week high
-29%
high $311.07, as of Jun 30, 2026

Score components

  • Role
    COO
    +20
  • Trade size
    $2.1M at market
    +25
  • Share of holdings sold
    Sold 100% of holdings
    +20
  • Cluster
    4 insiders selling within 14 days
    +15

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 Jul 1, 2026: -33.7%SPY +4.6% · excess -38.3%

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 0001628280-26-046550, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jun 30, 2026CConversion
Class A Common Stock
+10,000--10,000Jul 1, 2026
Jun 30, 2026SOpen-market sale
Class A Common Stock
-10,000$206.51$2.1M0Jul 1, 2026
Jun 30, 2026CConversion
Class B Common Stockderivative
-10,000$0.00$0679,696Jul 1, 2026

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
23Weak
CBRSsell 410b5-1
Cerebras Systems Inc.
Yagnesh Patel
Chief Accounting Officer
$270k
1,320 shares
-8%
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%

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.

Dhiraj Mallick sold $2.1M of CBRS | InsiderTell