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sellWeak cluster of 4

Jennifer Michaelson sold $44k of CGEM

Chief Scientific Officer at Cullinan Therapeutics, Inc.. 3,489 shares at an average of $12.52, traded Dec 12, 2024, filed Dec 16, 2024.

Warning score
36
Value
$44k
3,489 shares
Holdings after
104,453
-3% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Officer
    +15
  • Trade size
    $44k at market
    +6
  • Share of holdings sold
    Sold 3.2% of holdings
    0
  • 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.

This signal so far: 1m -13.7%, 3m -23.5%, 6m -25.9%.

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.

CGEMOct 9, 2026 · close 15.53
Since filing Dec 16, 2024: +31.6%SPY +31.3% · excess +0.3%

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 0000950170-24-136726, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 12, 2024SOpen-market sale
Common Stock
-3,489$12.52$44k104,453Dec 16, 2024

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
0Weak
CGEMsell10b5-1
Cullinan Therapeutics, Inc.
Jennifer Michaelson
Chief Scientific Officer
$173k
8,000 shares
-5%
6Weak
CGEMsell 510b5-1
Cullinan Therapeutics, Inc.
Jennifer Michaelson
Chief Scientific Officer
$125k
8,000 shares
-4%
15Weak
CGEMsell 510b5-1
Cullinan Therapeutics, Inc.
Jennifer Michaelson
Chief Scientific Officer
$25k
1,780 shares
-1%
52Moderate
CGEMsell 5
Cullinan Therapeutics, Inc.
Nadim Ahmed
President and CEO
$196k
13,515 shares
-3%
37Weak
CGEMsell 5
Cullinan Therapeutics, Inc.
Jacquelyn L Sumer
Chief Legal Officer
$52k
3,601 shares
-3%
38Weak
CGEMsell 5
Cullinan Therapeutics, Inc.
Jeffrey Alan Jones
Chief Medical Officer
$66k
4,582 shares
-3%
18Weak
CGEMsell 510b5-1
Cullinan Therapeutics, Inc.
Jennifer Michaelson
Chief Scientific Officer
$77k
5,353 shares
-3%
52Moderate
CGEMsell 5
Cullinan Therapeutics, Inc.
Nadim Ahmed
President and CEO
$223k
16,381 shares
-4%
37Weak
CGEMsell 5
Cullinan Therapeutics, Inc.
Jacquelyn L Sumer
Chief Legal Officer
$51k
3,742 shares
-3%
6Weak
CGEMsell 510b5-1
Cullinan Therapeutics, Inc.
Jennifer Michaelson
Chief Scientific Officer
$165k
11,742 shares
-6%

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.

Jennifer Michaelson sold $44k of CGEM | InsiderTell