Skip to content
sellModerate cluster of 410b5-1 plan

Stephanie Okey sold $1.1M of PTCT

director at PTC THERAPEUTICS, INC.. 15,167 shares at an average of $70.00, traded Mar 10, 2026, filed Mar 12, 2026.

Warning score
40
Value
$1.1M
15,167 shares
Holdings after
8,000
-165% from before
From 52-week low
+89%
low $36.19, close $68.56
From 52-week high
-21%
high $86.25, as of Mar 10, 2026

Score components

  • Role
    Director
    +15
  • Trade size
    $1.1M at market
    +25
  • Share of holdings sold
    Sold 100% of holdings
    +20
  • Cluster
    4 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.

This signal so far: 1m +8.4%, 3m +17.9%, 6m +6.3%.

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 13, 2026 · close 59.92
Since filing Mar 12, 2026: -5.4%SPY +17.7% · excess -23.1%

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 0001742616-26-000006, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 10, 2026MOption exercise
Common Stock10b5-1
+1,167$33.63$39k9,167Mar 12, 2026
Mar 10, 2026SOpen-market sale
Common Stock10b5-1
-1,167$70.00$82k8,000Mar 12, 2026
Mar 10, 2026MOption exercise
Common Stock10b5-1
+14,000$33.63$471k22,000Mar 12, 2026
Mar 10, 2026SOpen-market sale
Common Stock10b5-1
-14,000$70.00$980k8,000Mar 12, 2026
Mar 10, 2026MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-1,167$0.00$00Mar 12, 2026
Mar 10, 2026MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-14,000$0.00$00Mar 12, 2026

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
Pro nowfree Oct 20, 2026
PTCTsell 310b5-1
PTC THERAPEUTICS, INC.
Mark Elliott Boulding
EXEC. VP AND CLO
$12k
192 shares
-0%
Pro nowfree Oct 16, 2026
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%
28Weak
PTCTsell 210b5-1
PTC THERAPEUTICS, INC.
Michael Schmertzler
director
$1.8M
25,000 shares
-2%
28Weak
PTCTsell 210b5-1
PTC THERAPEUTICS, INC.
Michael Schmertzler
director
$1.8M
25,000 shares
-2%
7Weak
PTCTsell 310b5-1
PTC THERAPEUTICS, INC.
Mark Elliott Boulding
EXEC. VP AND CLO
$204k
2,813 shares
-3%
34Weak
PTCTsell 210b5-1
PTC THERAPEUTICS, INC.
Matthew B. Klein
CHIEF EXECUTIVE OFFICER
$706k
10,292 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.