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sellWeak cluster of 210b5-1 plan

Michael Thomas Henderson sold $2.7M of APGE

Chief Executive Officer at Apogee Therapeutics, Inc.. 20,000 shares at an average of $133.63, traded Jul 8, 2026, filed Jul 10, 2026.

Warning score
38
Value
$2.7M
20,000 shares
Holdings after
995,987
-2% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    CEO
    +25
  • Trade size
    $2.7M at market
    +25
  • Share of holdings sold
    Sold 2.0% of holdings
    0
  • Cluster
    2 insiders selling within 14 days
    +8
  • 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 0001104659-26-082758, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jul 8, 2026SOpen-market sale
Common Stock10b5-1
-20,000$133.63$2.7M995,987Jul 10, 2026
Jul 10, 2026GGift
Common Stock10b5-1
-75,046$0.00$0920,941Jul 10, 2026

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
1Weak
APGEsell10b5-1
Apogee Therapeutics, Inc.
Carl Dambkowski
Chief Medical Officer
$738k
5,500 shares
-3%
9Weak
APGEsell 210b5-1
Apogee Therapeutics, Inc.
Carl Dambkowski
Chief Medical Officer
$730k
5,500 shares
-3%
38Weak
APGEsell 210b5-1
Apogee Therapeutics, Inc.
Michael Thomas Henderson
Chief Executive Officer
$11M
80,000 shares
-7%
33Weak
APGEsell 210b5-1
Apogee Therapeutics, Inc.
Carl Dambkowski
Chief Medical Officer
$3.5M
26,400 shares
-13%
38Weak
APGEsell 210b5-1
Apogee Therapeutics, Inc.
Michael Thomas Henderson
Chief Executive Officer
$1.7M
20,000 shares
-2%
5Weak
APGEsell 210b5-1
Apogee Therapeutics, Inc.
Carl Dambkowski
Chief Medical Officer
$433k
5,500 shares
-3%
45Moderate
APGEsell 310b5-1
Apogee Therapeutics, Inc.
Michael Thomas Henderson
Chief Executive Officer
$1.6M
20,000 shares
-2%
12Weak
APGEsell 310b5-1
Apogee Therapeutics, Inc.
Carl Dambkowski
Chief Medical Officer
$463k
5,500 shares
-3%
28Weak
APGEsell 310b5-1
Apogee Therapeutics, Inc.
Jane Henderson
Chief Financial Officer
$164k
2,000 shares
-1%
22Weak
APGEsell 210b5-1
Apogee Therapeutics, Inc.
Jane Henderson
Chief Financial Officer
$180k
2,000 shares
-1%

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 $2.7M of APGE | InsiderTell