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PTC Therapeutics, Inc.

PTCT
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001070081

In the last 90 days, PTC Therapeutics, Inc. insiders filed 0 open-market purchases and 11 sales; 382 institutions reported holding it in 13F filings for Q2 2026, worth $8.20B in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by PTC Therapeutics, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
11 filings
6 insiders, $13.7M in total
Insiders trading
6
Net value
−$13.7M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for PTC Therapeutics, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for PTC Therapeutics, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Schmertzler MichaelDirector1,296,594IndirectSep 18, 20266
Boulding Mark ElliottEXEC. VP AND CLO105,272Aug 19, 202614
Klein Matthew B.CHIEF EXECUTIVE OFFICER383,868Aug 6, 202610
Sollie-Zetlmayer Hege ElisabethDirector52,526Jul 30, 20261
Gravier PierreCHIEF FINANCIAL OFFICER83,986Jul 16, 20264
Smith Mary L.Director21,813Jul 13, 20262
Almstead Neil GregoryCHIEF TECHNICAL OPS OFFICER60,299Jul 13, 202614
Utter Christine MarieSVP, CHIEF ACCOUNTING OFFICER70,199Jun 22, 20265
Pauwels EricCHIEF BUSINESS OFFICER73,411Jun 12, 20267
Golden Lee ScottEVP & CHIEF MEDICAL OFFICER79,115Apr 6, 20266
Chutter Jessica CarolineDirector7,333Mar 26, 20261
Okey StephanieDirector8,000Mar 12, 20264
Southwell David PDirector20,850Jan 6, 20261
Steele Glenn Jr MD PhDDirector22,500Jan 6, 20261
Zeldis Jerome BDirector22,500Jan 6, 20261
Jacobson Allan StevenDirector21,451Jan 6, 20263
Reeve EmmaDirector10,666Jan 6, 20266
Young AlethiaDirector21,067Jan 6, 20261
Bell William F. Jr.Director10,333Feb 16, 20240
Hill Emily LuisaCHIEF FINANCIAL OFFICER38,925Mar 29, 20230
Peltz Stuart WalterCHIEF EXECUTIVE OFFICER54,903IndirectFeb 2, 20230
Svoronos DawnDirector29,017Jun 10, 20220

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Feb 1, 2024 (view filing)Jan 302 daysUtter Christine MarieSVP, CHIEF ACCOUNTING OFFICERSSale−318$27.25−$8.67K−0.9%35.5K after10b5-1
Feb 1, 2024 (view filing)Jan 302 daysPauwels EricCHIEF BUSINESS OFFICERSSale−366$27.25−$9.97K−0.8%44.2K after10b5-1
Feb 1, 2024 (view filing)Jan 302 daysBoulding Mark ElliottEXEC. VP AND CLOSSale−794$27.25−$21.6K−1.1%71.2K after10b5-1
Feb 1, 2024 (view filing)Jan 302 daysAlmstead Neil GregoryCHIEF TECHNICAL OPS OFFICERSSale−618$27.25−$16.8K−1.0%61.2K after10b5-1
Feb 1, 2024 (view filing)Jan 302 daysAlmstead Neil GregoryCHIEF TECHNICAL OPS OFFICERSSale−28$27.25−$763−0.7%3.71K after10b5-1
Apr 4, 2024 (view filing)Apr 22 daysGolden Lee ScottEVP & CHIEF MEDICAL OFFICERSSale−526$28.37−$14.9K−0.9%60.0K after
Apr 19, 2024 (view filing)Apr 172 daysKlein Matthew B.CHIEF EXECUTIVE OFFICERSSale−1.31K$25.14−$32.9K−0.6%229.2K after10b5-1
Apr 19, 2024 (view filing)Apr 172 daysPauwels EricCHIEF EXECUTIVE OFFICERSSale−787$25.14−$19.8K−1.1%67.7K after
Apr 22, 2024 (view filing)Apr 193 daysKlein Matthew B.CHIEF EXECUTIVE OFFICERSSale−3.36K$24.89−$83.7K−1.5%225.8K after10b5-1
May 8, 2024 (view filing)May 71 dayGolden Lee ScottEVP & CHIEF MEDICAL OFFICERSSale−175$32.82−$5.74K−0.3%59.8K after10b5-1
May 24, 2024 (view filing)May 222 daysZeldis Jerome BDirectorSSale−20.0K$38.24−$764.8K−58.0%14.5K after10b5-1
Jul 18, 2024 (view filing)Jul 162 daysGravier PierreCHIEF FINANCIAL OFFICERSSale−2.27K$34.02−$77.2K−4.1%53.5K after10b5-1
Dec 4, 2024 (view filing)Dec 2-32 daysBoulding Mark ElliottEXEC. VP AND CLOSSale−95.9K$52.37−$5.02M−50.9%92.4K after7 lots10b5-1
Dec 4, 2024 (view filing)Dec 22 daysUtter Christine MarieSVP, CHIEF ACCOUNTING OFFICERSSale−17.8K$51.77−$921.6K−25.3%52.4K after4 lots10b5-1
Dec 4, 2024 (view filing)Dec 22 daysZeldis Jerome BDirectorSSale−24.0K$51.50−$1.24M−62.3%14.5K after5 lots10b5-1
Dec 4, 2024 (view filing)Dec 22 daysAlmstead Neil GregoryCHIEF TECHNICAL OPS OFFICERSSale−69.5K$52.06−$3.62M−44.7%86.2K after4 lots10b5-1
Dec 4, 2024 (view filing)Dec 22 daysAlmstead Neil GregoryCHIEF TECHNICAL OPS OFFICERSSale−2.06K$51.97−$107.1K−31.0%4.58K after2 lots10b5-1
Jan 3, 2025 (view filing)Dec 31, 20243 daysKlein Matthew B.CHIEF EXECUTIVE OFFICERSSale−8.28K$45.16−$373.9K−3.7%217.5K after10b5-1
Jan 10, 2025 (view filing)Jan 7-83 daysAlmstead Neil GregoryCHIEF TECHNICAL OPS OFFICERSSale−2.82K$44.88−$126.4K−2.7%103.2K after2 lots10b5-1
Jan 10, 2025 (view filing)Jan 7-83 daysAlmstead Neil GregoryCHIEF TECHNICAL OPS OFFICERSSale−162$44.79−$7.26K−2.6%5.97K after2 lots10b5-1
Jan 10, 2025 (view filing)Jan 7-83 daysBoulding Mark ElliottEXEC. VP AND CLOSSale−3.54K$44.87−$158.9K−3.2%106.8K after2 lots10b5-1
Jan 10, 2025 (view filing)Jan 7-83 daysGolden Lee ScottEVP & CHIEF MEDICAL OFFICERSSale−2.01K$44.84−$90.0K−2.5%78.7K after2 lots10b5-1
Jan 10, 2025 (view filing)Jan 7-83 daysKlein Matthew B.CHIEF EXECUTIVE OFFICERSSale−4.54K$44.90−$204.0K−1.6%283.8K after2 lots10b5-1
Jan 10, 2025 (view filing)Jan 7-83 daysPauwels EricCHIEF EXECUTIVE OFFICERSSale−3.73K$44.86−$167.6K−4.1%86.8K after2 lots10b5-1
Jan 10, 2025 (view filing)Jan 7-83 daysUtter Christine MarieSVP, CHIEF ACCOUNTING OFFICERSSale−2.95K$44.87−$132.5K−4.4%64.3K after2 lots10b5-1
Feb 21, 2025 (view filing)Feb 19-202 daysAlmstead Neil GregoryCHIEF TECHNICAL OPS OFFICERSSale−2.88K$50.11−$144.2K−2.8%100.4K after2 lots10b5-1
Feb 21, 2025 (view filing)Feb 19-202 daysAlmstead Neil GregoryCHIEF TECHNICAL OPS OFFICERSSale−68$50.11−$3.41K−1.1%5.91K after2 lots10b5-1
Feb 21, 2025 (view filing)Feb 19-202 daysBoulding Mark ElliottEXEC. VP AND CLOSSale−2.95K$50.11−$147.7K−2.8%103.9K after2 lots10b5-1
Feb 21, 2025 (view filing)Feb 19-202 daysGolden Lee ScottEVP & CHIEF MEDICAL OFFICERSSale−1.76K$50.11−$88.0K−2.2%76.9K after2 lots10b5-1
Feb 21, 2025 (view filing)Feb 19-202 daysKlein Matthew B.CHIEF EXECUTIVE OFFICERSSale−7.79K$50.11−$390.5K−2.7%276.0K after2 lots10b5-1
Feb 21, 2025 (view filing)Feb 19-202 daysPauwels EricCHIEF EXECUTIVE OFFICERSSale−2.94K$50.11−$147.6K−3.4%83.9K after2 lots10b5-1
Feb 21, 2025 (view filing)Feb 19-202 daysGravier PierreCHIEF FINANCIAL OFFICERSSale−2.33K$50.11−$117.0K−3.0%74.4K after2 lots10b5-1
Feb 21, 2025 (view filing)Feb 19-202 daysUtter Christine MarieSVP, CHIEF ACCOUNTING OFFICERSSale−1.76K$50.11−$88.0K−2.7%62.6K after2 lots10b5-1
Mar 6, 2025 (view filing)Mar 42 daysJacobson Allan StevenDirectorSSale−1.23K$51.52−$63.4K−6.0%19.1K after
Mar 12, 2025 (view filing)Mar 10-112 daysBoulding Mark ElliottEXEC. VP AND CLOSSale−75.4K$53.08−$4.00M−42.1%103.9K after6 lots10b5-1
Mar 14, 2025 (view filing)Mar 122 daysBoulding Mark ElliottEXEC. VP AND CLOSSale−15.5K$53.30−$827.2K−13.0%103.9K after2 lots10b5-1
Mar 17, 2025 (view filing)Mar 134 daysOkey StephanieDirectorSSale−5.00K$54.00−$270.0K−36.1%8.87K after
Mar 18, 2025 (view filing)Mar 14-174 daysPauwels EricCHIEF BUSINESS OFFICERSSale−11.2K$56.16−$630.1K−13.4%72.6K after5 lots10b5-1
Apr 4, 2025 (view filing)Apr 22 daysGolden Lee ScottEVP & CHIEF MEDICAL OFFICERSSale−897$46.95−$42.1K−1.2%76.0K after10b5-1
Apr 24, 2025 (view filing)Apr 222 daysKlein Matthew B.CHIEF EXECUTIVE OFFICERSSale−2.80K$48.74−$136.7K−1.0%273.2K after10b5-1
May 19, 2025 (view filing)May 15-164 daysBoulding Mark ElliottEXEC. VP AND CLOSSale−2.81K$46.13−$129.7K−2.6%103.9K after2 lots
Jul 17, 2025 (view filing)Jul 152 daysGravier PierreCHIEF FINANCIAL OFFICERSSale−2.52K$49.46−$124.4K−3.4%71.9K after10b5-1
Aug 5, 2025 (view filing)Aug 5Same dayKlein Matthew B.CHIEF EXECUTIVE OFFICERSSale−10.7K$51.74−$555.6K−3.1%337.8K after10b5-1
Aug 19, 2025 (view filing)Aug 154 daysBoulding Mark ElliottEXEC. VP AND CLOSSale−2.81K$48.58−$136.7K−2.6%103.9K after10b5-1
Sep 2, 2025 (view filing)Aug 285 daysJacobson Allan StevenDirectorSSale−1.67K$50.15−$83.6K−8.7%17.5K after
Sep 9, 2025 (view filing)Sep 81 dayPauwels EricCHIEF BUSINESS OFFICERSSale−39.9K$56.92−$2.27M−35.3%72.9K after7 lots10b5-1
Sep 11, 2025 (view filing)Sep 92 daysSouthwell David PDirectorSSale−12.0K$58.34−$700.1K−41.6%16.9K after
Sep 15, 2025 (view filing)Sep 11-124 daysBoulding Mark ElliottEXEC. VP AND CLOSSale−47.2K$61.18−$2.89M−31.3%103.9K after7 lots10b5-1
Sep 16, 2025 (view filing)Sep 115 daysLateReeve EmmaDirectorSSale−15.7K$59.50−$934.4K−60.3%10.3K after4 lots10b5-1
Oct 7, 2025 (view filing)Oct 34 daysAlmstead Neil GregoryCHIEF TECHNICAL OPS OFFICERSSale−55.0K$66.05−$3.63M−35.3%100.6K after6 lots10b5-1