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sellWeak cluster of 610b5-1 plan

Pierre Gravier sold $117k of PTCT

CHIEF FINANCIAL OFFICER at PTC THERAPEUTICS, INC.. 2,335 shares at an average of $50.11, traded Feb 19, 2025, filed Feb 21, 2025.

Warning score
27
Value
$117k
2,335 shares
Holdings after
74,436
-3% from before
From 52-week low
+56%
low $32.27, close $50.42
From 52-week high
-3%
high $52.07, as of Feb 19, 2025

Score components

  • Role
    CFO
    +22
  • Trade size
    $117k at market
    +10
  • Share of holdings sold
    Sold 3.0% of holdings
    0
  • Cluster
    6 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.

This signal so far: 1m +12.7%, 3m -9.4%, 6m -0.2%.

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 Feb 21, 2025: +18.2%SPY +32.2% · excess -14.0%

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 0001415889-25-005138, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 19, 2025SOpen-market sale
Common Stock10b5-1
-1,168$50.10$59k75,603Feb 21, 2025
Feb 20, 2025SOpen-market sale
Common Stock10b5-1
-1,167$50.12$58k74,436Feb 21, 2025

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.

Pierre Gravier sold $117k of PTCT | InsiderTell