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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 59 disclosed filings on Paydirt over the trailing twelve months from 13 corporate insiders: 0 purchases and 59 sales. Filers took a median of 2 days from execution to disclosure, and the most recent trade was executed Oct 14 and filed Oct 16. The most active filer was Mark Elliott Boulding with 11 filings. Data as of Nov 7 2026.

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Filings, ttm
59
0 buys · 59 sells
Traders, ttm
13
13 insiders
Volume, ttmiDollar value disclosed in the window
$41.3M
estimated for Congress, as filed for insiders
Median delay
2d
execution to disclosure
Last traded
Oct 14
Filed Oct 16
ADViAverage daily dollar volume
$125.1M
market data
Share price · 12M
$60.59 (-16.4%)
$89.55$74.40$59.24Nov 10 2025May 5Oct 23

Adjusted for splits and dividends.

Volume by month
$11.9M$5.9M$0Dec 2024Jun 2025Dec 2025Jun 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 $2.6MOct 2026 · sells $1.2M
Buys $0 Sells $86.2M

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

Who filed · past 24 months
MB Mark Elliott Boulding EXEC. VP AND CLO 18 filings · 0 buys, 18 sales MK Matthew B. Klein Director 14 filings · 0 buys, 14 sales NA Neil Gregory Almstead CHIEF TECHNICAL OPS OFFICER 12 filings · 0 buys, 12 sales EP Eric Pauwels CHIEF BUSINESS OFFICER 8 filings · 0 buys, 8 sales MS Michael Schmertzler Director 6 filings · 0 buys, 6 sales ER Emma Reeve Director 5 filings · 0 buys, 5 sales PG Pierre Gravier CHIEF FINANCIAL OFFICER 4 filings · 0 buys, 4 sales CU Christine Marie Utter SVP, CHIEF ACCOUNTING OFFICER 4 filings · 0 buys, 4 sales
All 15 filers LG Lee Scott Golden EVP & CHIEF MEDICAL OFFICER 3 filings · 0 buys, 3 sales SO Stephanie Okey Director 3 filings · 0 buys, 3 sales AJ Allan Steven Jacobson Director 2 filings · 0 buys, 2 sales GS Glenn Jr Md Phd Steele Director 2 filings · 0 buys, 2 sales DS David P Southwell Director 1 filing · 0 buys, 1 sale MS Mary L. Smith Director 1 filing · 0 buys, 1 sale JZ Jerome B Zeldis Director 1 filing · 0 buys, 1 sale
Recent filings
Michael SchmertzlerSALE Director $126K
2,118 sh × $59.52
Exec Oct 14
Filed Oct 16 · 5:20 PM ET
Michael SchmertzlerSALE Director $155K
2,447 sh × $63.38
Exec Oct 7
Filed Oct 9 · 5:20 PM ET
Mark Elliott BouldingSALE EXEC. VP AND CLO $105K
1,638 sh × $64.03
Exec Oct 5
Filed Oct 7 · 5:20 PM ET
Glenn Jr Md Phd SteeleSALE Director $782K
12,000 sh × $65.16
Exec Sep 30
Filed Oct 2 · 5:20 PM ET
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