Dudediligence.

PTC Therapeutics, Inc

PTCTNASDAQ · Pharmaceutical Preparations
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Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$57.5M

85 notices · 750,495 sh

Oct 2025 to Oct 2026

Reported ·

$40.4M

154 sales · 0 buys

Oct 2025 to Jun 2026

The two figures cover different periods.

All 154 reported sales carry the 10b5-1 box. Together they are 0.64% of the shares on issue.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-09-30: STEELE GLENN JR MD PHD, Form 1442026-09-09: Section Six Partners, L.P., Form 1442026-08-19: Section Six Partners, L.P., Form 1442026-08-17: Boulding Mark Elliott, Form 1442026-08-04: Klein Matthew B., Form 1442026-07-14: Gravier Pierre, Form 1442026-07-09: Almstead Neil Gregory, Form 1442026-07-09: Smith Mary L., Form 1442026-07-07: Almstead Neil Gregory, Form 1442026-07-06: Almstead Neil Gregory, Form 1442026-07-06: Boulding Mark Elliott, Form 1442026-06-26: Almstead Neil Gregory, Form 1442026-06-25: Almstead Neil Gregory, Form 1442026-06-24: Almstead Neil Gregory, Form 1442026-06-22: Almstead Neil Gregory, Form 1442026-06-17: Boulding Mark Elliott, Form 1442026-06-17: Utter Christine Marie, Form 1442026-06-10: Pauwels Eric, Form 1442026-05-15: Boulding Mark Elliott, Form 1442026-05-14: Klein Matthew B., Form 1442026-05-14: Klein Matthew B., Form 1442026-05-08: Boulding Mark Elliott, Form 1442026-04-21: Klein Matthew B., Form 1442026-04-06: Boulding Mark Elliott, Form 1442026-04-02: Golden Lee Scott, Form 1442026-04-01: Almstead Neil Gregory, Form 1442026-03-12: Klein Matthew B., Form 1442026-03-10: Okey Stephanie, Form 1442026-03-05: Okey Stephanie, Form 1442026-03-05: Almstead Zheng Yang, Form 1442026-03-05: Golden Lee Scott, Form 1442026-02-19: Boulding Mark Elliott, Form 1442026-02-18: Pauwels Eric, Form 1442026-02-18: Almstead Zheng Yang, Form 1442026-02-18: Almstead Neil Gregory, Form 1442026-02-18: Gravier Pierre, Form 1442026-02-18: Utter Christine Marie, Form 1442026-02-18: Boulding Mark Elliott, Form 1442026-02-18: Golden Lee Scott, Form 1442026-02-18: Klein Matthew B., Form 1442026-02-17: Boulding Mark Elliott, Form 1442026-01-09: Boulding Mark Elliott, Form 1442026-01-09: Pauwels Eric, Form 1442026-01-08: Golden Lee Scott, Form 1442026-01-08: Pauwels Eric, Form 1442026-01-08: Klein Matthew B., Form 1442026-01-08: Almstead Zheng Yang, Form 1442026-01-08: Almstead Neil Gregory, Form 1442026-01-08: Pauwels Eric, Form 1442026-01-08: Utter Christine Marie, Form 1442026-01-08: Boulding Mark Elliott, Form 1442026-01-08: Boulding Mark Elliott, Form 1442026-01-07: Klein Matthew B., Form 1442026-01-07: Boulding Mark Elliott, Form 1442026-01-07: Golden Lee Scott, Form 1442026-01-07: Boulding Mark Elliott, Form 1442026-01-07: Utter Christine Marie, Form 1442026-01-07: Almstead Zheng Yang, Form 1442026-01-07: Pauwels Eric, Form 1442026-01-07: Almstead Neil Gregory, Form 1442026-01-06: Klein Matthew B., Form 1442026-01-06: Utter Christine Marie, Form 1442026-01-06: Golden Lee Scott, Form 1442026-01-06: Boulding Mark Elliott, Form 1442026-01-06: Gravier Pierre, Form 1442026-01-06: Almstead Zheng Yang, Form 1442026-01-06: Pauwels Eric, Form 1442026-01-06: Almstead Neil Gregory, Form 1442026-01-05: Boulding Mark Elliott, Form 1442026-01-05: Reeve Emma, Form 1442026-01-02: STEELE GLENN JR MD PHD, Form 1442025-12-30: Klein Matthew B., Form 1442025-12-19: Pauwels Eric, Form 1442025-12-18: Pauwels Eric, Form 1442025-12-17: Pauwels Eric, Form 1442025-12-03: Reeve Emma, Form 1442025-12-02: Klein Matthew B., Form 1442025-11-25: Almstead Neil Gregory, Form 1442025-11-25: Jacobson Allan Steven, Form 1442025-11-24: Almstead Neil Gregory, Form 1442025-11-24: Jacobson Allan Steven, Form 1442025-11-21: Reeve Emma, Form 1442025-11-17: Boulding Mark Elliott, Form 1442025-11-12: Reeve Emma, Form 1442025-10-30: Reeve Emma, Form 1442025-10-06: Boulding Mark Elliott, sold2025-10-07: Boulding Mark Elliott, sold2025-10-30: Reeve Emma, sold2025-11-12: Reeve Emma, sold2025-11-17: Boulding Mark Elliott, sold2025-11-21: Reeve Emma, sold2025-11-24: Almstead Neil Gregory, sold2025-11-24: Jacobson Allan Steven, sold2025-11-25: Almstead Neil Gregory, sold2025-12-02: Klein Matthew B., sold2025-12-03: Reeve Emma, sold2025-12-17: Pauwels Eric, sold2025-12-19: Pauwels Eric, sold2025-12-30: Klein Matthew B., sold2026-01-02: STEELE GLENN JR MD PHD, sold2026-01-05: Boulding Mark Elliott, sold2026-01-05: Reeve Emma, sold2026-01-06: Pauwels Eric, sold2026-01-06: Almstead Neil Gregory, sold2026-01-06: Boulding Mark Elliott, sold2026-01-06: Golden Lee Scott, sold2026-01-06: Utter Christine Marie, sold2026-01-06: Klein Matthew B., sold2026-01-06: Gravier Pierre, sold2026-01-08: Pauwels Eric, sold2026-01-08: Almstead Neil Gregory, sold2026-01-08: Boulding Mark Elliott, sold2026-01-08: Golden Lee Scott, sold2026-01-08: Utter Christine Marie, sold2026-01-08: Klein Matthew B., sold2026-02-17: Boulding Mark Elliott, sold2026-02-18: Pauwels Eric, sold2026-02-18: Almstead Neil Gregory, sold2026-02-18: Golden Lee Scott, sold2026-02-18: Utter Christine Marie, sold2026-02-18: Klein Matthew B., sold2026-02-18: Gravier Pierre, sold2026-02-19: Boulding Mark Elliott, sold2026-03-05: Almstead Neil Gregory, sold2026-03-05: Golden Lee Scott, sold2026-03-05: Okey Stephanie, sold2026-03-10: Okey Stephanie, sold2026-03-12: Klein Matthew B., sold2026-04-01: Almstead Neil Gregory, sold2026-04-02: Golden Lee Scott, sold2026-04-06: Boulding Mark Elliott, sold2026-04-21: Klein Matthew B., sold2026-05-08: Boulding Mark Elliott, sold2026-05-14: Klein Matthew B., sold2026-05-15: Boulding Mark Elliott, sold2026-06-10: Pauwels Eric, sold2026-06-17: Boulding Mark Elliott, sold2026-06-17: Utter Christine Marie, sold2026-06-22: Almstead Neil Gregory, sold
under a no plan named▼ salesize is dollars

Form 144 notices, newest first

2026-09-30STEELE GLENN JR MD PHD, Director$781,920
12,000 shplan 2026-03-09Form 4s on file end Jun 23144 ↗
2026-09-09Section Six Partners, L.P., Affiliate of Director$2,740,000
40,000 shplan 2026-05-14Form 4s on file end Jun 23144 ↗
2026-08-19Section Six Partners, L.P., Affiliate of Director$3,650,000
50,000 shplan 2026-05-14Form 4s on file end Jun 23144 ↗
2026-08-17Boulding Mark Elliott, EXEC. VP AND CLO$201,692
2,813 shplan 2025-09-10Form 4s on file end Jun 23144 ↗
2026-08-04Klein Matthew B., CHIEF EXECUTIVE OFFICER$705,754
10,292 shno plan dateForm 4s on file end Jun 23144 ↗
2026-07-14Gravier Pierre, CHIEF FINANCIAL OFFICER$280,733
3,494 shno plan dateForm 4s on file end Jun 23144 ↗
2026-07-09Almstead Neil Gregory, CHIEF TECHNICAL OPS OFFICER$222,368
2,464 shplan 2025-11-11Form 4s on file end Jun 23144 ↗
2026-07-09Smith Mary L., Director$1,425,060
15,834 shplan 2025-11-11Form 4s on file end Jun 23144 ↗
2026-07-07Almstead Neil Gregory, CHIEF TECHNICAL OPS OFFICER$2,187,696
24,613 shplan 2025-11-11Form 4s on file end Jun 23144 ↗
2026-07-06Almstead Neil Gregory, CHIEF TECHNICAL OPS OFFICER$1,905,797
22,161 shplan 2025-11-11Form 4s on file end Jun 23144 ↗
2026-07-06Boulding Mark Elliott, EXEC. VP AND CLO$427,322
5,079 shplan 2025-09-10Form 4s on file end Jun 23144 ↗
2026-06-26Almstead Neil Gregory, CHIEF TECHNICAL OPS OFFICER$693,146
8,130 shplan 2025-11-11144 ↗
Form 4, 2026-06-30: sold 8,130 at $85.26 Form 4 ↗
2026-06-25Almstead Neil Gregory, CHIEF TECHNICAL OPS OFFICER$1,801,869
20,960 shplan 2025-11-11Form 4s on file end Jun 23144 ↗
2026-06-24Almstead Neil Gregory, CHIEF TECHNICAL OPS OFFICER$452,592
5,323 shplan 2025-11-11144 ↗
Form 4, 2026-06-26: sold 26,283 at $85.78 Form 4 ↗
2026-06-22Almstead Neil Gregory, CHIEF TECHNICAL OPS OFFICER$1,921,433
23,749 shplan 2025-11-11144 ↗
Form 4, 2026-06-24: sold 23,749 at $80.90 Form 4 ↗
2026-06-17Boulding Mark Elliott, EXEC. VP AND CLO$827,607
10,522 shplan 2025-09-10144 ↗
Form 4, 2026-06-22: sold 10,462 at $78.65 Form 4 ↗
2026-06-17Utter Christine Marie, SVP, CHIEF ACCOUNTING OFFICER$1,487,474
19,686 shplan 2026-03-17144 ↗
Form 4, 2026-06-22: sold 19,686 at $75.56 Form 4 ↗
2026-06-10Pauwels Eric, CHIEF BUSINESS OFFICER$1,595,775
21,277 shplan 2026-02-25144 ↗
Form 4, 2026-06-12: sold 21,277 at $75.00 Form 4 ↗
2026-05-15Boulding Mark Elliott, EXEC. VP AND CLO$203,729
2,812 shplan 2025-09-10144 ↗
Form 4, 2026-05-19: sold 2,812 at $72.18 Form 4 ↗
2026-05-14Klein Matthew B., CHIEF EXECUTIVE OFFICER$186,360
2,572 sh10b5-1 plan144 ↗
Form 4, 2026-05-15: sold 12,572 at $72.95 Form 4 ↗
2026-05-14Klein Matthew B., CHIEF EXECUTIVE OFFICER$730,769
10,000 shno plan dateForm 4s on file end Jun 23144 ↗
2026-05-08Boulding Mark Elliott, EXEC. VP AND CLO$279,565
3,540 shplan 2025-09-10144 ↗
Form 4, 2026-05-12: sold 3,540 at $78.97 Form 4 ↗
2026-04-21Klein Matthew B., CHIEF EXECUTIVE OFFICER$202,171
2,850 sh10b5-1 plan144 ↗
Form 4, 2026-04-23: sold 2,850 at $70.91 Form 4 ↗
2026-04-06Boulding Mark Elliott, EXEC. VP AND CLO$157,283
2,265 shplan 2025-09-10144 ↗
Form 4, 2026-04-08: sold 2,265 at $69.45 Form 4 ↗
2026-04-02Golden Lee Scott, EVP & CHIEF MEDICAL OFFICER$56,366
829 sh10b5-1 plan144 ↗
Form 4, 2026-04-06: sold 829 at $67.99 Form 4 ↗
2026-04-01Almstead Neil Gregory, CHIEF TECHNICAL OPS OFFICER$3,590,360
52,003 shplan 2025-11-11144 ↗
Form 4, 2026-04-03: sold 52,003 at $69.04 Form 4 ↗
2026-03-12Klein Matthew B., CHIEF EXECUTIVE OFFICER$170,572
2,662 sh10b5-1 plan144 ↗
Form 4, 2026-03-13: sold 2,662 at $64.08 Form 4 ↗
2026-03-10Okey Stephanie, Director$1,061,690
15,167 shplan 2025-11-24144 ↗
Form 4, 2026-03-12: sold 15,167 at $70.00 Form 4 ↗
2026-03-05Okey Stephanie, Director$401,386
6,333 shplan 2025-11-24144 ↗
Form 4, 2026-03-09: sold 6,333 at $63.38 Form 4 ↗
2026-03-05Almstead Zheng Yang, Member of immediate family of any of the foregoing$252,823
3,989 shplan 2025-11-11no Form 4 on file144 ↗
2026-03-05Golden Lee Scott, EVP & CHIEF MEDICAL OFFICER$633,800
10,000 shplan 2025-12-04144 ↗
Form 4, 2026-03-09: sold 10,000 at $63.38 Form 4 ↗
2026-02-19Boulding Mark Elliott, EXEC. VP AND CLO$207,013
3,019 shplan 2024-12-04144 ↗
Form 4, 2026-02-23: sold 3,019 at $69.48 Form 4 ↗
2026-02-18Pauwels Eric, CHIEF BUSINESS OFFICER$209,388
3,019 sh10b5-1 plan144 ↗
Form 4, 2026-02-20: sold 3,019 at $69.36 Form 4 ↗
2026-02-18Almstead Zheng Yang, Member of immediate family of any of the foregoing$4,508
65 shno plan dateno Form 4 on file144 ↗
2026-02-18Almstead Neil Gregory, CHIEF TECHNICAL OPS OFFICER$211,954
3,056 sh10b5-1 plan144 ↗
Form 4, 2026-02-20: sold 3,121 at $69.36 Form 4 ↗
2026-02-18Gravier Pierre, CHIEF FINANCIAL OFFICER$207,515
2,992 sh10b5-1 plan144 ↗
Form 4, 2026-02-20: sold 2,992 at $69.36 Form 4 ↗
2026-02-18Utter Christine Marie, SVP, CHIEF ACCOUNTING OFFICER$172,975
2,494 sh10b5-1 plan144 ↗
Form 4, 2026-02-20: sold 2,494 at $69.36 Form 4 ↗
2026-02-18Boulding Mark Elliott, EXEC. VP AND CLO$213,688
3,081 shno plan dateno Form 4 on file144 ↗
2026-02-18Golden Lee Scott, EVP & CHIEF MEDICAL OFFICER$172,282
2,484 sh10b5-1 plan144 ↗
Form 4, 2026-02-20: sold 2,484 at $69.36 Form 4 ↗
2026-02-18Klein Matthew B., CHIEF EXECUTIVE OFFICER$511,228
7,371 sh10b5-1 plan144 ↗
Form 4, 2026-02-20: sold 7,371 at $69.36 Form 4 ↗
2026-02-17Boulding Mark Elliott, EXEC. VP AND CLO$194,491
2,813 shplan 2024-12-04144 ↗
Form 4, 2026-02-19: sold 5,894 at $69.33 Form 4 ↗
2026-01-09Boulding Mark Elliott, EXEC. VP AND CLO$180,314
2,314 shplan 2024-12-04no Form 4 on file144 ↗
2026-01-09Pauwels Eric, CHIEF BUSINESS OFFICER$213,889
2,746 shplan 2025-09-15no Form 4 on file144 ↗
2026-01-08Golden Lee Scott, EVP & CHIEF MEDICAL OFFICER$66,205
866 sh10b5-1 plan144 ↗
Form 4, 2026-01-12: sold 866 at $76.45 Form 4 ↗
2026-01-08Pauwels Eric, CHIEF BUSINESS OFFICER$240,905
3,148 shplan 2025-09-15144 ↗
Form 4, 2026-01-12: sold 7,348 at $77.02 Form 4 ↗
2026-01-08Klein Matthew B., CHIEF EXECUTIVE OFFICER$192,193
2,514 sh10b5-1 plan144 ↗
Form 4, 2026-01-12: sold 2,514 at $76.45 Form 4 ↗
2026-01-08Almstead Zheng Yang, Member of immediate family of any of the foregoing$4,511
59 shno plan dateno Form 4 on file144 ↗
2026-01-08Almstead Neil Gregory, CHIEF TECHNICAL OPS OFFICER$67,352
881 sh10b5-1 plan144 ↗
Form 4, 2026-01-12: sold 940 at $76.45 Form 4 ↗
2026-01-08Pauwels Eric, CHIEF BUSINESS OFFICER$111,157
1,454 shno plan dateno Form 4 on file144 ↗
2026-01-08Utter Christine Marie, SVP, CHIEF ACCOUNTING OFFICER$79,048
1,034 sh10b5-1 plan144 ↗
Form 4, 2026-01-12: sold 1,034 at $76.45 Form 4 ↗
2026-01-08Boulding Mark Elliott, EXEC. VP AND CLO$98,314
1,286 sh10b5-1 plan144 ↗
Form 4, 2026-01-12: sold 6,347 at $77.06 Form 4 ↗
2026-01-08Boulding Mark Elliott, EXEC. VP AND CLO$210,448
2,747 shplan 2024-12-04no Form 4 on file144 ↗
2026-01-07Klein Matthew B., CHIEF EXECUTIVE OFFICER$233,691
3,016 shno plan dateno Form 4 on file144 ↗
2026-01-07Boulding Mark Elliott, EXEC. VP AND CLO$261,382
3,376 shplan 2024-12-04no Form 4 on file144 ↗
2026-01-07Golden Lee Scott, EVP & CHIEF MEDICAL OFFICER$49,745
642 shno plan dateno Form 4 on file144 ↗
2026-01-07Boulding Mark Elliott, EXEC. VP AND CLO$116,458
1,503 shno plan dateno Form 4 on file144 ↗
2026-01-07Utter Christine Marie, SVP, CHIEF ACCOUNTING OFFICER$95,692
1,235 shno plan dateno Form 4 on file144 ↗
2026-01-07Almstead Zheng Yang, Member of immediate family of any of the foregoing$4,029
52 shno plan dateno Form 4 on file144 ↗
2026-01-07Pauwels Eric, CHIEF BUSINESS OFFICER$104,758
1,352 shno plan dateno Form 4 on file144 ↗
2026-01-07Almstead Neil Gregory, CHIEF TECHNICAL OPS OFFICER$79,498
1,026 shno plan dateno Form 4 on file144 ↗
2026-01-06Klein Matthew B., CHIEF EXECUTIVE OFFICER$396,203
5,149 sh10b5-1 plan144 ↗
Form 4, 2026-01-08: sold 8,165 at $77.15 Form 4 ↗
2026-01-06Utter Christine Marie, SVP, CHIEF ACCOUNTING OFFICER$106,265
1,381 sh10b5-1 plan144 ↗
Form 4, 2026-01-08: sold 2,616 at $77.19 Form 4 ↗
2026-01-06Golden Lee Scott, EVP & CHIEF MEDICAL OFFICER$103,110
1,340 sh10b5-1 plan144 ↗
Form 4, 2026-01-08: sold 1,982 at $77.12 Form 4 ↗
2026-01-06Boulding Mark Elliott, EXEC. VP AND CLO$133,812
1,739 sh10b5-1 plan144 ↗
Form 4, 2026-01-08: sold 6,618 at $77.31 Form 4 ↗
2026-01-06Gravier Pierre, CHIEF FINANCIAL OFFICER$164,591
2,139 sh10b5-1 plan144 ↗
Form 4, 2026-01-08: sold 2,139 at $76.95 Form 4 ↗
2026-01-06Almstead Zheng Yang, Member of immediate family of any of the foregoing$4,155
54 shno plan dateno Form 4 on file144 ↗
2026-01-06Pauwels Eric, CHIEF BUSINESS OFFICER$137,659
1,789 sh10b5-1 plan144 ↗
Form 4, 2026-01-08: sold 3,141 at $77.18 Form 4 ↗
2026-01-06Almstead Neil Gregory, CHIEF TECHNICAL OPS OFFICER$98,416
1,279 sh10b5-1 plan144 ↗
Form 4, 2026-01-08: sold 2,411 at $77.19 Form 4 ↗
2026-01-05Boulding Mark Elliott, EXEC. VP AND CLO$172,216
2,266 shplan 2024-12-04144 ↗
Form 4, 2026-01-06: sold 2,266 at $75.55 Form 4 ↗
2026-01-05Reeve Emma, Director$55,784
734 shplan 2025-03-04144 ↗
Form 4, 2026-01-06: sold 734 at $76.00 Form 4 ↗
2026-01-02STEELE GLENN JR MD PHD, Director$916,200
12,000 shplan 2025-09-08144 ↗
Form 4, 2026-01-06: sold 12,000 at $76.35 Form 4 ↗
2025-12-30Klein Matthew B., CHIEF EXECUTIVE OFFICER$619,922
8,089 sh10b5-1 plan144 ↗
Form 4, 2026-01-02: sold 8,089 at $76.64 Form 4 ↗
2025-12-19Pauwels Eric, CHIEF BUSINESS OFFICER$1,584,388
20,508 shplan 2025-09-15144 ↗
Form 4, 2025-12-23: sold 20,508 at $77.26 Form 4 ↗
2025-12-18Pauwels Eric, CHIEF BUSINESS OFFICER$240,354
3,202 shplan 2025-09-15no Form 4 on file144 ↗
2025-12-17Pauwels Eric, CHIEF BUSINESS OFFICER$3,038,756
40,290 shplan 2025-09-15144 ↗
Form 4, 2025-12-19: sold 43,492 at $75.40 Form 4 ↗
2025-12-03Reeve Emma, Director$57,628
733 shplan 2025-03-04144 ↗
Form 4, 2025-12-05: sold 733 at $78.62 Form 4 ↗
2025-12-02Klein Matthew B., CHIEF EXECUTIVE OFFICER$271,063
3,428 sh10b5-1 plan144 ↗
Form 4, 2025-12-03: sold 3,428 at $79.07 Form 4 ↗
2025-11-25Almstead Neil Gregory, CHIEF TECHNICAL OPS OFFICER$6,001,523
71,928 shplan 2024-12-10144 ↗
Form 4, 2025-11-26: sold 71,928 at $83.44 Form 4 ↗
2025-11-25Jacobson Allan Steven, Director$1,184,975
14,199 shplan 2025-03-12no Form 4 on file144 ↗
2025-11-24Almstead Neil Gregory, CHIEF TECHNICAL OPS OFFICER$2,852,154
35,572 shplan 2024-12-10144 ↗
Form 4, 2025-11-26: sold 35,572 at $80.18 Form 4 ↗
2025-11-24Jacobson Allan Steven, Director$945,753
11,801 shplan 2025-03-12144 ↗
Form 4, 2025-11-26: sold 26,000 at $82.00 Form 4 ↗
2025-11-21Reeve Emma, Director$795,000
10,000 shplan 2025-03-04144 ↗
Form 4, 2025-11-25: sold 10,000 at $79.50 Form 4 ↗
2025-11-17Boulding Mark Elliott, EXEC. VP AND CLO$210,928
2,812 shplan 2024-12-04144 ↗
Form 4, 2025-11-19: sold 2,812 at $75.99 Form 4 ↗
2025-11-12Reeve Emma, Director$546,309
7,333 shplan 2025-03-04144 ↗
Form 4, 2025-11-14: sold 7,333 at $74.50 Form 4 ↗
2025-10-30Reeve Emma, Director$1,088,787
15,666 shplan 2025-03-04144 ↗
Form 4, 2025-10-31: sold 15,666 at $69.50 Form 4 ↗