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sellModerate cluster of 4

Dirk Kersten sold $3.3M of DYN

director at Dyne Therapeutics, Inc.. 110,933 shares at an average of $29.50, traded Dec 2, 2024, filed Dec 4, 2024.

Warning score
55
Value
$3.3M
110,933 shares
Holdings after
5,675,502
-2% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Director
    +15
  • Trade size
    $3.3M at market
    +25
  • Share of holdings sold
    Sold 1.9% 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 -15.9%, 3m -58.6%, 6m -54.4%.

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.

DYNOct 13, 2026 · close 15.30
Since filing Dec 4, 2024: -48.0%SPY +31.0% · excess -79.0%

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 0000950170-24-133233, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 2, 2024SOpen-market sale
Common Stockindirect: See footnote
-79,973$29.66$2.4M5,706,462Dec 4, 2024
Dec 2, 2024SOpen-market sale
Common Stockindirect: See footnote
-1,228$30.37$37k5,705,234Dec 4, 2024
Dec 3, 2024SOpen-market sale
Common Stockindirect: See footnote
-29,732$29.05$864k5,675,502Dec 4, 2024

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
32Weak
DYNbuy
Dyne Therapeutics, Inc.
Brian S Posner
director
$40k
2,500 shares
+10%
30Weak
DYNsell 310b5-1
Dyne Therapeutics, Inc.
John Cox
CEO & President
$107k
5,658 shares
-2%
20Weak
DYNsell 310b5-1
Dyne Therapeutics, Inc.
Douglas Kerr
Chief Medical Officer
$116k
5,035 shares
-3%
15Weak
DYNsell 310b5-1
Dyne Therapeutics, Inc.
Johanna Friedl-Naderer
Chief Commercial Officer
$25k
1,085 shares
-1%
31Weak
DYNsell 510b5-1
Dyne Therapeutics, Inc.
John Cox
CEO & President
$131k
4,986 shares
-1%
55Moderate
DYNsell 510b5-1
Dyne Therapeutics, Inc.
Jason P Rhodes
director
$65M
2,586,928 shares
-64%
23Weak
DYNsell 510b5-1
Dyne Therapeutics, Inc.
Erick Lucera
Chief Financial Officer
$47k
1,797 shares
-1%
16Weak
DYNsell 510b5-1
Dyne Therapeutics, Inc.
Douglas Kerr
Chief Medical Officer
$41k
1,556 shares
-1%
10Weak
DYNsell 510b5-1
Dyne Therapeutics, Inc.
Johanna Friedl-Naderer
Chief Commercial Officer
$5,939
226 shares
-0%
20Weak
DYNsell10b5-1
Dyne Therapeutics, Inc.
Dirk Kersten
director
$6.7M
261,460 shares
-7%

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.

Dirk Kersten sold $3.3M of DYN | InsiderTell