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PTCT
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PTC Therapeutics, Inc.

PTCT · Healthcare · PTC Therapeutics, Inc., a biopharmaceutical company, focuses on the discovery, development, and commercialization of medicines to children…

PTC Therapeutics, Inc. (PTCT), in the Healthcare sector, has 61 disclosed filings on Paydirt over the trailing twelve months from 13 corporate insiders: 0 purchases and 61 sales. Filers took a median of 2 days from execution to disclosure, and the most recent trade was executed Sep 17 and filed Sep 18. The most active filer was Mark Elliott Boulding with 17 filings.

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Filings, ttm
61
0 buys · 61 sells
Traders, ttm
13
13 insiders
Volume, ttmiDollar value disclosed in the window
$60.6M
estimated for Congress, as filed for insiders
Median delay
2d
execution to disclosure
Last traded
Sep 17
Filed Sep 18
ADViAverage daily dollar volume
$125.1M
market data
Share price · 12M
$69.30 (+13.9%)
$89.55$73.70$57.84Sep 22 2025Mar 16Sep 4

Adjusted for splits and dividends.

Volume by month
$11.9M$5.9M$0Oct 2024Apr 2025Oct 2025Apr 2026Dec 2024 · sells $10.6MJan 2025 · sells $481KFeb 2025 · sells $390KMar 2025 · sells $5.6MApr 2025 · sells $137KJul 2025 · sells $124KAug 2025 · sells $692KSep 2025 · sells $6.4MOct 2025 · sells $8.6MNov 2025 · sells $11.9MDec 2025 · sells $4.9MJan 2026 · sells $4.1MFeb 2026 · sells $2.0MMar 2026 · sells $2.4MApr 2026 · sells $3.9MMay 2026 · sells $1.2MJun 2026 · sells $8.6MJul 2026 · sells $6.0MAug 2026 · sells $4.4MSep 2026 · sells $2.6M
Buys $0 Sells $85.0M

Estimated for Congress, as filed for insiders · by filing month · past 24 months

Who filed
MB Mark Elliott Boulding EXEC. VP AND CLO 17 filings MK Matthew B. Klein Director 14 filings NA Neil Gregory Almstead CHIEF TECHNICAL OPS OFFICER 12 filings EP Eric Pauwels CHIEF BUSINESS OFFICER 8 filings ER Emma Reeve Director 5 filings PG Pierre Gravier CHIEF FINANCIAL OFFICER 4 filings MS Michael Schmertzler Director 4 filings CU Christine Marie Utter SVP, CHIEF ACCOUNTING OFFICER 4 filings
Recent filings
Michael SchmertzlerSALE Director $1.3M
19,624 sh across 3 lots
Exec Sep 16
Filed Sep 18 · 5:20 PM ET
Michael SchmertzlerSALE Director $1.3M
19,428 sh across 2 lots
Exec Sep 9
Filed Sep 11 · 5:20 PM ET
Michael SchmertzlerSALE Director $1.8M
24,390 sh across 3 lots
Exec Aug 26
Filed Aug 28 · 5:20 PM ET
Michael SchmertzlerSALE Director $1.8M
24,309 sh across 4 lots
Exec Aug 19
Filed Aug 21 · 5:20 PM ET
Mark Elliott BouldingSALE EXEC. VP AND CLO $133K
1,844 sh × $72.39
Exec Aug 17
Filed Aug 19 · 5:20 PM ET
Matthew B. KleinSALE CHIEF EXECUTIVE OFFICER $706K
10,292 sh × $68.57
Exec Aug 4
Filed Aug 6 · 5:20 PM ET
Pierre GravierSALE CHIEF FINANCIAL OFFICER $281K
3,494 sh × $80.35
Exec Jul 14
Filed Jul 16 · 5:20 PM ET
Mary L. SmithSALE Director $1.4M
15,834 sh across 2 lots
Exec Jul 9
Filed Jul 13 · 5:20 PM ET
Neil Gregory AlmsteadSALE CHIEF TECHNICAL OPS OFFICER $222K
2,464 sh × $90.25
Exec Jul 9
Filed Jul 13 · 5:20 PM ET
Neil Gregory AlmsteadSALE CHIEF TECHNICAL OPS OFFICER $4.0M
45,963 sh across 6 lots
Exec Jul 6
Filed Jul 8 · 5:20 PM ET
Neil Gregory AlmsteadSALE CHIEF TECHNICAL OPS OFFICER $658K
7,718 sh × $85.26
Exec Jun 26
Filed Jun 30 · 5:30 PM ET
Neil Gregory AlmsteadSALE CHIEF TECHNICAL OPS OFFICER $2.1M
24,781 sh across 3 lots
Exec Jun 24
Filed Jun 26 · 5:30 PM ET
Neil Gregory AlmsteadSALE CHIEF TECHNICAL OPS OFFICER $1.9M
23,749 sh across 2 lots
Exec Jun 22
Filed Jun 24 · 5:30 PM ET
Mark Elliott BouldingSALE EXEC. VP AND CLO $798K
10,153 sh across 3 lots
Exec Jun 17
Filed Jun 22 · 5:30 PM ET
Christine Marie UtterSALE SVP, CHIEF ACCOUNTING OFFICER $1.5M
19,686 sh × $75.56
Exec Jun 17
Filed Jun 22 · 5:30 PM ET
Eric PauwelsSALE CHIEF BUSINESS OFFICER $1.6M
21,277 sh across 2 lots
Exec Jun 10
Filed Jun 12 · 5:30 PM ET
Mark Elliott BouldingSALE EXEC. VP AND CLO $170K
2,356 sh × $72.08
Exec May 15
Filed May 19 · 5:30 PM ET
Matthew B. KleinSALE CHIEF EXECUTIVE OFFICER $868K
11,893 sh across 3 lots
Exec May 14
Filed May 15 · 5:30 PM ET
Mark Elliott BouldingSALE EXEC. VP AND CLO $151K
1,900 sh × $79.31
Exec May 8
Filed May 12 · 5:30 PM ET
Matthew B. KleinSALE CHIEF EXECUTIVE OFFICER $202K
2,850 sh × $70.91
Exec Apr 21
Filed Apr 23 · 5:30 PM ET
Mark Elliott BouldingSALE EXEC. VP AND CLO $101K
1,443 sh × $69.75
Exec Apr 6
Filed Apr 8 · 5:30 PM ET
Neil Gregory AlmsteadSALE CHIEF TECHNICAL OPS OFFICER $3.6M
51,923 sh across 2 lots
Exec Apr 1
Filed Apr 3 · 5:30 PM ET
Matthew B. KleinSALE CHIEF EXECUTIVE OFFICER $171K
2,662 sh × $64.08
Exec Mar 12
Filed Mar 13 · 5:30 PM ET
Stephanie OkeySALE Director $980K
14,000 sh × $70.00
Exec Mar 10
Filed Mar 12 · 5:30 PM ET
Neil Gregory AlmsteadSALE CHIEF TECHNICAL OPS OFFICER $253K
3,989 sh × $63.38
Exec Mar 5
Filed Mar 9 · 5:30 PM ET