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sellNotable cluster of 4

David Hallal sold $1.5M of SRRK

Chief Executive Officer at Scholar Rock Holding Corp. 30,615 shares at an average of $49.57, traded Apr 16, 2026, filed Apr 20, 2026.

Warning score
65
Value
$1.5M
30,615 shares
Holdings after
1,639,034
-2% from before
From 52-week low
+79%
low $27.92, close $50.00
From 52-week high
-0%
high $50.01, as of Apr 16, 2026

Score components

  • Role
    CEO
    +25
  • Trade size
    $1.5M at market
    +25
  • Share of holdings sold
    Sold 1.8% 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.

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.

SRRKOct 12, 2026 · close 41.94
Since filing Apr 20, 2026: -12.3%SPY +10.3% · excess -22.6%

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 0001104659-26-045581, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Apr 16, 2026SOpen-market sale
Common Stock
-30,615$49.57$1.5M1,639,034Apr 20, 2026

Related signals

Other insiders at Scholar Rock Holding Corp and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
21Weak
SRRKsell 510b5-1
Scholar Rock Holding Corp
Kristina Burow
director
$164k
3,053 shares
-3%
21Weak
SRRKsell 510b5-1
Scholar Rock Holding Corp
Jeffrey S. Flier
director
$164k
3,053 shares
-10%
21Weak
SRRKsell 510b5-1
Scholar Rock Holding Corp
Michael Gilman
director
$137k
2,544 shares
-4%
29Weak
SRRKsell 510b5-1
Scholar Rock Holding Corp
Katie Peng
director
$293k
5,446 shares
-14%
26Weak
SRRKsell 510b5-1
Scholar Rock Holding Corp
Joshua Reed
director
$164k
3,053 shares
-14%
55Moderate
SRRKsell 4
Scholar Rock Holding Corp
Vikas Sinha
Chief Financial Officer
$516k
10,410 shares
-2%
54Moderate
SRRKsell 4
Scholar Rock Holding Corp
Akshay Vaishnaw
President of R&D
$607k
12,246 shares
-2%
53Moderate
SRRKsell 4
Scholar Rock Holding Corp
Keith Woods
Chief Operating Officer
$507k
10,220 shares
-2%
26Weak
SRRKsell 410b5-1
Scholar Rock Holding Corp
Mo Qatanani
CHIEF SCIENTIFIC OFFICER
$399k
8,484 shares
-8%
47Moderate
SRRKsell 4
Scholar Rock Holding Corp
Junlin Ho
GENERAL COUNSEL
$446k
9,580 shares
-4%

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.