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sellWeak cluster of 2

Christopher Heery sold $487k of ACLX

CHIEF MEDICAL OFFICER at Arcellx, Inc.. 7,437 shares at an average of $65.51, traded Jan 13, 2026, filed Jan 13, 2026.

Warning score
31
Value
$487k
7,437 shares
Holdings after
29,631
-20% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Officer
    +15
  • Trade size
    $487k at market
    +18
  • Share of holdings sold
    Sold 20% of holdings
    +5
  • Cluster
    2 insiders selling within 14 days
    +8
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -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.

Rows in this filing

Every transaction in Form 4 0001193125-26-012077, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jan 3, 2026MOption exercise
Common Stock
+16,520$0.00$030,135Jan 13, 2026
Jan 13, 2026SOpen-market sale
Common Stock
-7,437$65.51$487k29,631Jan 13, 2026

Related signals

Other insiders at Arcellx, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
38Weak
ACLXsell 2
Arcellx, Inc.
Rami Elghandour
SEE REMARKS
$10M
89,916 shares
-25%
45Moderate
ACLXsell 2
Arcellx, Inc.
Michelle Gilson
CHIEF FINANCIAL OFFICER
$1.3M
11,219 shares
-25%
39Weak
ACLXsell 2
Arcellx, Inc.
Michelle Gilson
CHIEF FINANCIAL OFFICER
$573k
8,384 shares
-16%
42Moderate
ACLXsell 2
Arcellx, Inc.
Michelle Gilson
CHIEF FINANCIAL OFFICER
$785k
11,291 shares
-17%
10Weak
ACLXsell 210b5-1
Arcellx, Inc.
David Charles Lubner
director
$450k
6,000 shares
-22%
29Weak
ACLXsell 2
Arcellx, Inc.
Christopher Heery
CHIEF MEDICAL OFFICER
$403k
5,882 shares
-20%
29Weak
ACLXsell 2
Arcellx, Inc.
Christopher Heery
CHIEF MEDICAL OFFICER
$393k
6,131 shares
-14%
20Weak
ACLXsell10b5-1
Arcellx, Inc.
Christopher Heery
CHIEF MEDICAL OFFICER
$31k
340 shares
-54%
30Weak
ACLXsell10b5-1
Arcellx, Inc.
Michelle Gilson
CHIEF FINANCIAL OFFICER
$488k
5,364 shares
-39%
38Weak
ACLXsell 210b5-1
Arcellx, Inc.
Michelle Gilson
CHIEF FINANCIAL OFFICER
$512k
5,946 shares
-30%

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.

Christopher Heery sold $487k of ACLX | InsiderTell