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sellWeak cluster of 5

Jennifer Michaelson sold $9,733 of CGEM

Chief Scientific Officer at Cullinan Oncology, Inc.. 1,145 shares at an average of $8.50, traded Dec 21, 2023, filed Dec 22, 2023.

Warning score
30
Value
$9,733
1,145 shares
Holdings after
87,582
-1% from before
From 52-week low
+20%
low $7.89, close $9.48
From 52-week high
-29%
high $13.40, as of Dec 21, 2023

Score components

  • Role
    Officer
    +15
  • Trade size
    $10k at market
    0
  • Share of holdings sold
    Sold 1.3% of holdings
    0
  • Cluster
    5 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.

CGEMOct 9, 2026 · close 15.53
Since filing Dec 22, 2023: +64.3%SPY +69.7% · excess -5.3%

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 0000950170-23-072753, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 21, 2023SOpen-market sale
Common Stock
-1,145$8.50$9,73387,582Dec 22, 2023

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
0Weak
CGEMsell10b5-1
Cullinan Oncology, Inc.
Jennifer Michaelson
Chief Scientific Officer
$173k
8,000 shares
-5%
5Weak
CGEMsell10b5-1
Cullinan Oncology, Inc.
Jennifer Michaelson
Chief Scientific Officer
$608k
30,000 shares
-16%
0Weak
CGEMsell10b5-1
Cullinan Oncology, Inc.
Jennifer Michaelson
Chief Scientific Officer
$143k
8,000 shares
-5%
0Weak
CGEMsell10b5-1
Cullinan Oncology, Inc.
Jennifer Michaelson
Chief Scientific Officer
$117k
8,000 shares
-5%
6Weak
CGEMsell 510b5-1
Cullinan Oncology, Inc.
Jennifer Michaelson
Chief Scientific Officer
$125k
8,000 shares
-4%
15Weak
CGEMsell 510b5-1
Cullinan Oncology, Inc.
Jennifer Michaelson
Chief Scientific Officer
$25k
1,780 shares
-1%
52Moderate
CGEMsell 5
Cullinan Oncology, Inc.
Nadim Ahmed
President and CEO
$196k
13,515 shares
-3%
37Weak
CGEMsell 5
Cullinan Oncology, Inc.
Jacquelyn L Sumer
Chief Legal Officer
$52k
3,601 shares
-3%
38Weak
CGEMsell 5
Cullinan Oncology, Inc.
Jeffrey Alan Jones
Chief Medical Officer
$66k
4,582 shares
-3%
18Weak
CGEMsell 510b5-1
Cullinan Oncology, Inc.
Jennifer Michaelson
Chief Scientific Officer
$77k
5,353 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.

Jennifer Michaelson sold $9,733 of CGEM | InsiderTell