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
Apr 6, 2026Apr 8 9:20 PMMark Elliott BouldingEXEC. VP AND CLO
Option Exercise
2,265$39.426,798(D)

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Mar 24, 2026Mar 26 11:41 PMJessica Caroline ChutterDirector
Grant/Award
6,371$64.542,896(D)

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Mar 10, 2026Mar 12 9:20 PMStephanie OkeyDirector
Option Exercise
15,167$33.630(D)

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Feb 17, 2026Feb 19 10:25 PMMark Elliott BouldingEXEC. VP AND CLO
Option Exercise
2,813$25.6922,501(D)

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