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sellWeak cluster of 510b5-1 plan

Jeffrey S. Flier sold $164k of SRRK

director at Scholar Rock Holding Corp. 3,053 shares at an average of $53.88, traded Jul 1, 2026, filed Jul 6, 2026.

Warning score
21
Value
$164k
3,053 shares
Holdings after
27,856
-10% from before
From 52-week low
+89%
low $27.92, close $52.84
From 52-week high
-4%
high $55.00, as of Jul 1, 2026

Score components

  • Role
    Director
    +15
  • Trade size
    $164k at market
    +11
  • Share of holdings sold
    Sold 9.9% of holdings
    0
  • Cluster
    5 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.

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 Jul 6, 2026: -24.2%SPY +3.8% · excess -28.1%

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 0001193125-26-296252, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jul 1, 2026SOpen-market sale
Common Stock10b5-1
-1,568$53.53$84k29,341Jul 6, 2026
Jul 1, 2026SOpen-market sale
Common Stock10b5-1
-1,470$54.24$80k27,871Jul 6, 2026
Jul 1, 2026SOpen-market sale
Common Stock10b5-1
-15$54.88$82327,856Jul 6, 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
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%
65Notable
SRRKsell 4
Scholar Rock Holding Corp
David Hallal
Chief Executive Officer
$1.5M
30,615 shares
-2%
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.