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sellModerate cluster of 310b5-1 plan

Michael Thomas Henderson sold $1.5M of APGE

Chief Executive Officer at Apogee Therapeutics, Inc.. 20,000 shares at an average of $75.38, traded Dec 10, 2025, filed Dec 12, 2025.

Warning score
45
Value
$1.5M
20,000 shares
Holdings after
1,212,987
-2% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    CEO
    +25
  • Trade size
    $1.5M at market
    +25
  • Share of holdings sold
    Sold 1.6% of holdings
    0
  • Cluster
    3 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.

Rows in this filing

Every transaction in Form 4 0001104659-25-120758, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 10, 2025SOpen-market sale
Common Stock10b5-1
-9,435$74.88$706k1,223,552Dec 12, 2025
Dec 10, 2025SOpen-market sale
Common Stock10b5-1
-10,005$75.79$758k1,213,547Dec 12, 2025
Dec 10, 2025SOpen-market sale
Common Stock10b5-1
-560$76.58$43k1,212,987Dec 12, 2025

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
20Weak
APGEsell 210b5-1
Apogee Therapeutics, Inc.
Jane Henderson
Chief Financial Officer
$120k
1,500 shares
-1%
45Moderate
APGEsell 310b5-1
Apogee Therapeutics, Inc.
Michael Thomas Henderson
Chief Executive Officer
$3.0M
40,000 shares
-3%
27Weak
APGEsell 310b5-1
Apogee Therapeutics, Inc.
Jane Henderson
Chief Financial Officer
$113k
1,500 shares
-1%
32Weak
APGEsell 310b5-1
Apogee Therapeutics, Inc.
Carl Dambkowski
Chief Medical Officer
$818k
10,900 shares
-4%
27Weak
APGEsell 310b5-1
Apogee Therapeutics, Inc.
Jane Henderson
Chief Financial Officer
$105k
1,500 shares
-1%
28Weak
APGEsell 310b5-1
Apogee Therapeutics, Inc.
Jane Henderson
Chief Financial Officer
$130k
2,000 shares
-1%
45Moderate
APGEsell 310b5-1
Apogee Therapeutics, Inc.
Michael Thomas Henderson
Chief Executive Officer
$1.3M
20,000 shares
-2%
24Weak
APGEsell 310b5-1
Apogee Therapeutics, Inc.
Jane Henderson
Chief Financial Officer
$60k
1,000 shares
-0%
14Weak
APGEsell 310b5-1
Apogee Therapeutics, Inc.
Carl Dambkowski
Chief Medical Officer
$594k
10,785 shares
-4%
0Weak
APGEsell10b5-1
Apogee Therapeutics, Inc.
Carl Dambkowski
Chief Medical Officer
$203k
5,110 shares
-2%

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.

Michael Thomas Henderson sold $1.5M of APGE | InsiderTell