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sellWeak10b5-1 plan

Matthew B. Klein sold $137k of PTCT

CHIEF EXECUTIVE OFFICER at PTC THERAPEUTICS, INC.. 2,804 shares at an average of $48.74, traded Apr 22, 2025, filed Apr 24, 2025.

Warning score
16
Value
$137k
2,804 shares
Holdings after
273,234
-1% from before
From 52-week low
+49%
low $32.27, close $48.19
From 52-week high
-16%
high $57.17, as of Apr 22, 2025

Score components

  • Role
    CEO
    +25
  • Trade size
    $137k at market
    +11
  • Share of holdings sold
    Sold 1.0% of holdings
    0
  • Cluster
    No other insider selling within 14 days
    0
  • 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.

PTCTOct 9, 2026 · close 64.70
Since filing Apr 24, 2025: +30.6%SPY +44.8% · excess -14.2%

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 0001415889-25-011290, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Apr 22, 2025SOpen-market sale
Common Stock10b5-1
-2,804$48.74$137k273,234Apr 24, 2025

Related signals

Other insiders at PTC THERAPEUTICS, INC. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
21Weak
PTCTsell 310b5-1
PTC THERAPEUTICS, INC.
Michael Schmertzler
director
$158k
2,500 shares
-0%
6Weak
PTCTsell 310b5-1
PTC THERAPEUTICS, INC.
Mark Elliott Boulding
EXEC. VP AND CLO
$133k
2,073 shares
-2%
27Weak
PTCTsell 310b5-1
PTC THERAPEUTICS, INC.
Glenn Steele Jr Md Phd
director
$782k
12,000 shares
-35%
28Weak
PTCTsell 210b5-1
PTC THERAPEUTICS, INC.
Michael Schmertzler
director
$1.3M
20,000 shares
-2%
20Weak
PTCTsell10b5-1
PTC THERAPEUTICS, INC.
Michael Schmertzler
director
$1.4M
20,000 shares
-1%
33Weak
PTCTsell 310b5-1
PTC THERAPEUTICS, INC.
Matthew B. Klein
CHIEF EXECUTIVE OFFICER
$271k
3,428 shares
-1%
30Weak
PTCTsell 410b5-1
PTC THERAPEUTICS, INC.
Neil Gregory Almstead
CHIEF TECHNICAL OPS OFFICER
$2.9M
35,572 shares
-35%
40Moderate
PTCTsell 410b5-1
PTC THERAPEUTICS, INC.
Neil Gregory Almstead
CHIEF TECHNICAL OPS OFFICER
$6.0M
71,928 shares
-70%
40Moderate
PTCTsell 410b5-1
PTC THERAPEUTICS, INC.
Allan Steven Jacobson
director
$2.1M
26,000 shares
-112%
7Weak
PTCTsell 310b5-1
PTC THERAPEUTICS, INC.
Mark Elliott Boulding
EXEC. VP AND CLO
$214k
2,812 shares
-3%

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.