Form 4 Tracker
PTC THERAPEUTICS, INC.
PTCT

44 insider filings · Latest: Oct 14, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Oct 14, 2026Oct 16 9:20 PMMichael SchmertzlerDirector
Sale
2,500$59.61$149.0K1,291,594(I)

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Oct 9, 2026Oct 13 9:20 PMMark Elliott BouldingEXEC. VP AND CLO
Sale
192$64.26$12.3K105,272(D)

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Oct 7, 2026Oct 9 9:20 PMMichael SchmertzlerDirector
Sale
2,500$63.39$158.5K1,294,094(I)

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Oct 9, 2026Oct 9 8:15 PMBoulding Mark Elliott
Proposed Sale
192$64.26$12.3K—

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Oct 6, 2026Oct 7 9:20 PMMark Elliott BouldingEXEC. VP AND CLO
Sale
435$64.16$27.9K105,272(D)

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Oct 5, 2026Oct 7 9:20 PMMark Elliott BouldingEXEC. VP AND CLO
Sale
1,638$64.03$104.9K105,272(D)

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Oct 7, 2026Oct 7 8:37 PMSection Six Partners, L.P.
Proposed Sale
10,000$64.35$643.5K—

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Oct 6, 2026Oct 6 8:07 PMBoulding Mark Elliott
Proposed Sale
435$64.16$27.9K—

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Oct 5, 2026Oct 5 8:20 PMBoulding Mark Elliott
Proposed Sale
1,638$64.03$104.9K—

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Sep 30, 2026Oct 2 9:20 PMGlenn Phd Steele JR MDDirector
Sale
12,000$65.16$781.9K22,500(D)

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Sep 30, 2026Sep 30 5:26 PMSTEELE GLENN JR MD PHD
Proposed Sale
12,000$65.16$781.9K—

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Sep 17, 2026Sep 18 9:20 PMMichael SchmertzlerDirector
Sale
10,000$67.85$678.5K1,296,594(I)

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Sep 16, 2026Sep 18 9:20 PMMichael SchmertzlerDirector
Sale
10,000$67.12$671.2K1,306,594(I)

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Sep 10, 2026Sep 11 9:20 PMMichael SchmertzlerDirector
Sale
10,000$67.34$673.4K1,316,594(I)

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Sep 9, 2026Sep 11 9:20 PMMichael SchmertzlerDirector
Sale
10,000$67.84$678.4K1,326,594(I)

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Sep 9, 2026Sep 9 8:32 PMSection Six Partners, L.P.
Proposed Sale
40,000$68.50$2.7M—

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Aug 27, 2026Aug 28 9:20 PMMichael SchmertzlerDirector
Sale
12,500$71.58$894.8K1,336,594(I)

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Aug 26, 2026Aug 28 9:20 PMMichael SchmertzlerDirector
Sale
12,500$72.94$911.7K1,349,094(I)

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Aug 19, 2026Aug 25 8:22 PMSection Six Partners, L.P.
Proposed Sale
50,000$73.00$3.6M—

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Aug 20, 2026Aug 21 9:20 PMMichael SchmertzlerDirector
Sale
12,500$71.11$888.9K1,361,594(I)

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Oct 9, 2026Oct 13 9:20 PMMark Elliott BouldingEXEC. VP AND CLO
Option Exercise
192$39.422,267(D)

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Oct 6, 2026Oct 7 9:20 PMMark Elliott BouldingEXEC. VP AND CLO
Option Exercise
435$39.422,459(D)

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Oct 5, 2026Oct 7 9:20 PMMark Elliott BouldingEXEC. VP AND CLO
Option Exercise
1,638$39.422,894(D)

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Sep 30, 2026Oct 2 9:20 PMGlenn Phd Steele JR MDDirector
Option Exercise
12,000$11.230(D)

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Aug 17, 2026Aug 19 9:20 PMMark Elliott BouldingEXEC. VP AND CLO
Option Exercise
2,813$25.6916,876(D)

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Jul 28, 2026Jul 31 1:02 AMHege Elisabeth Sollie-ZetlmayerDirector
Grant/Award
5,213$75.391,738(D)

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Jul 9, 2026Jul 13 9:20 PMMary L. SmithDirector
Option Exercise
15,834$42.950(D)

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Jul 9, 2026Jul 13 9:20 PMNeil Gregory AlmsteadCHIEF TECHNICAL OPS OFFICER
Option Exercise
2,464$46.5445,036(D)

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Jul 6, 2026Jul 8 9:20 PMMark Elliott BouldingEXEC. VP AND CLO
Option Exercise
5,039$46.5428,125(D)

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Jul 7, 2026Jul 8 9:20 PMNeil Gregory AlmsteadCHIEF TECHNICAL OPS OFFICER
Option Exercise
24,613$39.429,063(D)

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Jul 6, 2026Jul 8 9:20 PMNeil Gregory AlmsteadCHIEF TECHNICAL OPS OFFICER
Option Exercise
22,161$39.4233,676(D)

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Jun 26, 2026Jun 30 9:20 PMNeil Gregory AlmsteadCHIEF TECHNICAL OPS OFFICER
Option Exercise
8,130$38.1019,687(D)

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Jun 25, 2026Jun 26 9:20 PMNeil Gregory AlmsteadCHIEF TECHNICAL OPS OFFICER
Option Exercise
20,960$39.4236,150(D)

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Jun 24, 2026Jun 26 9:20 PMNeil Gregory AlmsteadCHIEF TECHNICAL OPS OFFICER
Option Exercise
5,323$38.1048,677(D)

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Jun 22, 2026Jun 24 9:20 PMNeil Gregory AlmsteadCHIEF TECHNICAL OPS OFFICER
Option Exercise
23,749$25.6923,751(D)

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Jun 17, 2026Jun 22 9:20 PMChristine Marie UtterSVP, CHIEF ACCOUNTING OFFICER
Option Exercise
19,686$25.6915,314(D)

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Jun 17, 2026Jun 22 9:20 PMMark Elliott BouldingEXEC. VP AND CLO
Option Exercise
10,522$46.5430,938(D)

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Jun 10, 2026Jun 12 9:30 PMEric PauwelsCHIEF BUSINESS OFFICER
Sale
17,566$18.010(D)

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May 15, 2026May 19 9:20 PMMark Elliott BouldingEXEC. VP AND CLO
Option Exercise
2,812$25.6919,689(D)

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May 8, 2026May 12 9:20 PMMark Elliott BouldingEXEC. VP AND CLO
Option Exercise
3,540$46.5441,460(D)

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