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sellWeak cluster of 510b5-1 plan

Emma Reeve sold $934k of PTCT

director at PTC THERAPEUTICS, INC.. 15,705 shares at an average of $59.50, traded Sep 11, 2025, filed Sep 16, 2025.

Warning score
39
Value
$934k
15,705 shares
Holdings after
10,332
-103% from before
From 52-week low
+89%
low $32.27, close $60.96
From 52-week high
0%
high $60.96, as of Sep 11, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $934k at market
    +24
  • Share of holdings sold
    Sold 100% of holdings
    +20
  • Cluster
    5 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -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.

PTCTOct 9, 2026 · close 64.70
Since filing Sep 16, 2025: +8.4%SPY +19.6% · excess -11.2%

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 0001680329-25-000004, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 11, 2025SOpen-market sale
Common Stock10b5-1
-3,534$59.50$210k11,666Sep 16, 2025
Sep 11, 2025SOpen-market sale
Common Stock10b5-1
-1,334$59.50$79k10,332Sep 16, 2025
Sep 11, 2025MOption exercise
Common Stock10b5-1
+10,000$25.69$257k20,332Sep 16, 2025
Sep 11, 2025SOpen-market sale
Common Stock10b5-1
-10,000$59.50$595k10,332Sep 16, 2025
Sep 11, 2025MOption exercise
Common Stock10b5-1
+837$33.63$28k11,169Sep 16, 2025
Sep 11, 2025SOpen-market sale
Common Stock10b5-1
-837$59.50$50k10,332Sep 16, 2025
Sep 11, 2025MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-10,000$0.00$00Sep 16, 2025
Sep 11, 2025MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-837$0.00$00Sep 16, 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%
14Weak
PTCTsell 210b5-1
PTC THERAPEUTICS, INC.
Neil Gregory Almstead
CHIEF TECHNICAL OPS OFFICER
$693k
8,130 shares
-13%
23Weak
PTCTsell 210b5-1
PTC THERAPEUTICS, INC.
Neil Gregory Almstead
CHIEF TECHNICAL OPS OFFICER
$2.3M
26,283 shares
-43%
23Weak
PTCTsell 210b5-1
PTC THERAPEUTICS, INC.
Neil Gregory Almstead
CHIEF TECHNICAL OPS OFFICER
$1.9M
23,749 shares
-28%
11Weak
PTCTsell 210b5-1
PTC THERAPEUTICS, INC.
Mark Elliott Boulding
EXEC. VP AND CLO
$823k
10,462 shares
-9%
0Weak
PTCTsell10b5-1
PTC THERAPEUTICS, INC.
Mark Elliott Boulding
EXEC. VP AND CLO
$203k
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.

Emma Reeve sold $934k of PTCT | InsiderTell