Insider filing · PTCT
Mark Elliott Boulding
EXEC. VP AND CLO
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PTC Therapeutics, Inc.
PTCT · Healthcare · 84 filings in 24 months
ticker →
Mark Elliott Boulding sold $1.3M of PTC Therapeutics (PTCT)
Executed Oct 3 2025, disclosed Oct 7 2025, 4 days later.
Value, as filed
$1.3M
20,390 sh across 5 lots
Executed
Oct 3 2025
the trade date, as filed
Disclosed
Oct 7 2025
4 days after the trade
Return, 21 sessionsiFrom the disclosed entry session; derived
–
purchases only
Returns are measured on stock purchases only.
The filer
MBMark Elliott Boulding (EXEC. VP AND CLO) filed 11 Form 4 reports in the trailing twelve months (0 purchases, 11 sales), most often in PTC Therapeutics, Inc. (PTCT). The largest single filing was $798K of PTCT (10,153 sh across 3 lots, as filed), executed Jun 17.
The name
PTCTHealthcare · PTC Therapeutics, Inc., a biopharmaceutical company, focuses on the discovery, development, and commercialization of medicines to children…
More Healthcare filings→ Insider filings, newest first→ View the original filing at www.sec.gov→Other filings by Mark Elliott Boulding in PTCT
PTCTSALE
PTC Therapeutics, Inc.
$105K1,638 sh × $64.03
Exec Oct 5
Filed Oct 7 · 5:20 PM ET PTCTSALE PTC Therapeutics, Inc. $133K
1,844 sh × $72.39
Exec Aug 17
Filed Aug 19 · 5:20 PM ET PTCTSALE PTC Therapeutics, Inc. $798K
10,153 sh across 3 lots
Exec Jun 17
Filed Jun 22 · 5:30 PM ET PTCTSALE PTC Therapeutics, Inc. $170K
2,356 sh × $72.08
Exec May 15
Filed May 19 · 5:30 PM ET PTCTSALE PTC Therapeutics, Inc. $151K
1,900 sh × $79.31
Exec May 8
Filed May 12 · 5:30 PM ET PTCTSALE PTC Therapeutics, Inc. $101K
1,443 sh × $69.75
Exec Apr 6
Filed Apr 8 · 5:30 PM ET PTCTSALE PTC Therapeutics, Inc. $114K
1,629 sh × $69.82
Exec Feb 19
Filed Feb 23 · 5:30 PM ET PTCTSALE PTC Therapeutics, Inc. $408K
5,892 sh across 2 lots
Exec Feb 17
Filed Feb 19 · 5:30 PM ET