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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
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 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 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 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 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
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
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 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 2-32 daysBoulding Mark ElliottEXEC. VP AND CLOSSale−95.9K$52.37−$5.02M−50.9%92.4K after7 lots10b5-1
Jul 18, 2024 (view filing)Jul 162 daysGravier PierreCHIEF FINANCIAL OFFICERSSale−2.27K$34.02−$77.2K−4.1%53.5K after10b5-1
May 24, 2024 (view filing)May 222 daysZeldis Jerome BDirectorSSale−20.0K$38.24−$764.8K−58.0%14.5K 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
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
Apr 19, 2024 (view filing)Apr 172 daysPauwels EricCHIEF EXECUTIVE OFFICERSSale−787$25.14−$19.8K−1.1%67.7K 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 4, 2024 (view filing)Apr 22 daysGolden Lee ScottEVP & CHIEF MEDICAL OFFICERSSale−526$28.37−$14.9K−0.9%60.0K after
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
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 daysPauwels EricCHIEF BUSINESS OFFICERSSale−366$27.25−$9.97K−0.8%44.2K after10b5-1
Feb 1, 2024 (view filing)Jan 302 daysUtter Christine MarieSVP, CHIEF ACCOUNTING OFFICERSSale−318$27.25−$8.67K−0.9%35.5K after10b5-1
Jan 24, 2024 (view filing)Jan 222 daysJacobson Allan StevenDirectorSSale−10.0K$27.38−$273.8K−44.7%12.3K after10b5-1
Jan 10, 2024 (view filing)Jan 8-92 daysUtter Christine MarieSVP, FINANCE & CAOSSale−2.84K$28.86−$82.0K−7.3%35.8K after2 lots10b5-1
Jan 10, 2024 (view filing)Jan 82 daysSchmertzler MichaelDirectorSSale−1.50K$27.81−$41.7K−1.3%115.3K after10b5-1
Jan 10, 2024 (view filing)Jan 8-92 daysPauwels EricCHIEF BUSINESS OFFICERSSale−3.63K$28.85−$104.8K−7.5%44.5K after2 lots10b5-1
Jan 10, 2024 (view filing)Jan 8-92 daysKlein Matthew B.CHIEF EXECUTIVE OFFICERSSale−7.68K$28.90−$222.0K−4.6%160.5K after2 lots10b5-1
Jan 10, 2024 (view filing)Jan 8-92 daysGolden Lee ScottCHIEF MEDICAL OFFICERSSale−2.00K$28.87−$57.7K−5.0%37.9K after2 lots10b5-1
Jan 10, 2024 (view filing)Jan 8-92 daysBoulding Mark ElliottEXEC. VP AND CLOSSale−3.40K$28.85−$97.9K−4.5%72.0K after2 lots10b5-1
Jan 10, 2024 (view filing)Jan 8-92 daysAlmstead Neil GregoryCHIEF TECHNICAL OPS OFFICERSSale−2.76K$28.84−$79.5K−4.3%61.8K after2 lots10b5-1
Jan 10, 2024 (view filing)Jan 8-92 daysAlmstead Neil GregoryCHIEF TECHNICAL OPS OFFICERSSale−153$28.88−$4.42K−3.9%3.73K after2 lots10b5-1
Jan 9, 2024 (view filing)Jan 54 daysKlein Matthew B.CHIEF EXECUTIVE OFFICERSSale−10.1K$27.15−$274.4K−5.7%168.2K after10b5-1
Dec 14, 2023 (view filing)Dec 122 daysGravier PierreCHIEF FINANCIAL OFFICERPPurchase+7.70K$25.81+$198.7K+29.6%33.7K after
Sep 8, 2023 (view filing)Sep 62 daysYoung AlethiaDirectorSSale−11.7K$39.86−$465.0K−56.3%9.07K after2 lots
Jun 9, 2023 (view filing)Jun 72 daysSchmertzler MichaelDirectorSSale−1.00K$44.86−$44.9K−0.8%116.8K after10b5-1
May 24, 2023 (view filing)May 22-232 daysReeve EmmaDirectorSSale−9.77K$59.53−$581.5K−57.6%7.20K after6 lots10b5-1
May 23, 2023 (view filing)May 19-224 daysPauwels EricCHIEF BUSINESS OFFICERSSale−8.42K$58.97−$496.3K−15.0%47.6K after3 lots10b5-1
May 19, 2023 (view filing)May 17-182 daysPauwels EricCHIEF BUSINESS OFFICERSSale−8.84K$58.52−$517.1K−13.6%56.0K after3 lots10b5-1
May 12, 2023 (view filing)May 111 dayJacobson Allan StevenDirectorSSale−23.0K$55.08−$1.27M−65.1%12.3K after3 lots10b5-1
Apr 25, 2023 (view filing)Apr 214 daysUtter Christine MarieSVP, FINANCE & CAOSSale−4.69K$55.06−$258.3K−11.0%38.1K after3 lots10b5-1
Apr 25, 2023 (view filing)Apr 214 daysReeve EmmaDirectorSSale−4.33K$55.05−$238.3K−37.5%7.20K after2 lots10b5-1
Apr 20, 2023 (view filing)Apr 182 daysPauwels EricCHIEF BUSINESS OFFICERSSale−732$52.04−$38.1K−1.1%64.8K after10b5-1
Apr 20, 2023 (view filing)Apr 182 daysKlein Matthew B.CHIEF EXECUTIVE OFFICERSSale−1.21K$52.04−$63.0K−1.2%102.6K after10b5-1
Apr 19, 2023 (view filing)Apr 172 daysSouthwell David PDirectorSSale−11.4K$51.03−$583.2K−52.1%10.5K after2 lots10b5-1
Apr 19, 2023 (view filing)Apr 172 daysBoulding Mark ElliottEXEC. VP AND CLOSSale−61.9K$51.42−$3.18M−45.1%75.4K after2 lots10b5-1
Apr 4, 2023 (view filing)Mar 314 daysSouthwell David PDirectorSSale−2.57K$50.05−$128.7K−19.7%10.5K after10b5-1
Mar 31, 2023 (view filing)Mar 292 daysUtter Christine MarieSVP, FINANCE & CAOSSale−4.69K$47.79−$224.1K−11.0%38.1K after2 lots10b5-1
Mar 29, 2023 (view filing)Mar 272 daysUtter Christine MarieSVP, FINANCE & CAOSSale−26.7K$45.10−$1.20M−41.2%38.1K after6 lots10b5-1
Mar 29, 2023 (view filing)Mar 272 daysSouthwell David PDirectorSSale−10.0K$45.09−$450.9K−48.8%10.5K after3 lots10b5-1