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sellWeak cluster of 410b5-1 plan

Mo Qatanani sold $399k of SRRK

CHIEF SCIENTIFIC OFFICER at Scholar Rock Holding Corp. 8,484 shares at an average of $47.07, traded Feb 23, 2026, filed Feb 25, 2026.

Warning score
26
Value
$399k
8,484 shares
Holdings after
98,445
-8% from before
From 52-week low
+92%
low $24.47, close $47.01
From 52-week high
-2%
high $48.00, as of Feb 23, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $399k at market
    +16
  • Share of holdings sold
    Sold 7.9% of holdings
    0
  • Cluster
    4 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 9, 2026 · close 42.19
Since filing Feb 25, 2026: -10.2%SPY +13.2% · excess -23.4%

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 0001104659-26-019789, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 23, 2026SOpen-market sale
Common Stock10b5-1
-7,427$46.94$349k99,502Feb 25, 2026
Feb 23, 2026SOpen-market sale
Common Stock10b5-1
-857$47.86$41k98,645Feb 25, 2026
Feb 23, 2026SOpen-market sale
Common Stock10b5-1
-200$48.48$9,69698,445Feb 25, 2026

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
47Moderate
SRRKsell 4
Scholar Rock Holding Corp
Junlin Ho
GENERAL COUNSEL
$446k
9,580 shares
-4%
42Moderate
SRRKsell 4
Scholar Rock Holding Corp
Jing L. Marantz
CHIEF MEDICAL OFFICER
$193k
4,157 shares
-3%
46Moderate
SRRKsell 4
Scholar Rock Holding Corp
Caryn Parlavecchio
CHRO
$420k
9,035 shares
-5%
45Moderate
SRRKsell 4
Scholar Rock Holding Corp
Mo Qatanani
CHIEF SCIENTIFIC OFFICER
$372k
7,989 shares
-7%
36Weak
SRRKsell 810b5-1
Scholar Rock Holding Corp
Mo Qatanani
CHIEF SCIENTIFIC OFFICER
$696k
14,898 shares
-15%
45Moderate
SRRKsell 8
Scholar Rock Holding Corp
Junlin Ho
GENERAL COUNSEL
$357k
8,016 shares
-4%
43Moderate
SRRKsell 8
Scholar Rock Holding Corp
Jing L. Marantz
CHIEF MEDICAL OFFICER
$258k
5,798 shares
-6%
44Moderate
SRRKsell 8
Scholar Rock Holding Corp
Caryn Parlavecchio
CHRO
$294k
6,600 shares
-4%
45Moderate
SRRKsell 8
Scholar Rock Holding Corp
Mo Qatanani
CHIEF SCIENTIFIC OFFICER
$374k
8,406 shares
-8%
19Weak
SRRKsell 810b5-1
Scholar Rock Holding Corp
Mo Qatanani
CHIEF SCIENTIFIC OFFICER
$593k
13,112 shares
-11%

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.

Mo Qatanani sold $399k of SRRK | InsiderTell