PTCT insider transaction filings
PTC THERAPEUTICS, INC. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-18. Screen PTCT transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 15 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 50 legs across 14 filings by 6 insiders — 234,912 shares, $18,546,072 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 40.
- Largest priced transaction: sale of 11,369 shares @ $89.03 ($1,012,182) by Almstead Neil Gregory, filed 2026-07-08.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| Almstead Neil Gregory — CHIEF TECHNICAL OPS OFFICER | 5 | — | 20 legs · 107,400 sh · $9,184,851 | 26 |
| SCHMERTZLER MICHAEL — Director | 4 | — | 16 legs · 90,000 sh · $6,313,452 | — |
| Smith Mary L. — Director | 1 | — | 2 legs · 15,834 sh · $1,425,060 | 4 |
| Klein Matthew B. — CHIEF EXECUTIVE OFFICER, Director | 1 | — | 1 leg · 10,292 sh · $705,722 | — |
| Boulding Mark Elliott — EXEC. VP AND CLO | 2 | — | 10 legs · 7,892 sh · $636,245 | 6 |
| Gravier Pierre — CHIEF FINANCIAL OFFICER | 1 | — | 1 leg · 3,494 sh · $280,743 | — |
| Sollie-Zetlmayer Hege Elisabeth — Director | 1 | — | — | 4 |
Recent Form 4 filings — PTC THERAPEUTICS, INC.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-18 | 4 | SCHMERTZLER MICHAEL — Director | Sale (S): 2,994 @ $66.58 · Sale (S): 7,006 @ $67.35 · Sale (S): 9,624 @ $67.83 · Sale (S): 376 @ $68.45 | EDGAR |
| 2026-09-11 | 4 | SCHMERTZLER MICHAEL — Director | Sale (S): 9,428 @ $67.79 · Sale (S): 572 @ $68.67 · Sale (S): 10,000 @ $67.34 | EDGAR |
| 2026-08-28 | 4 | SCHMERTZLER MICHAEL — Director | Sale (S): 6,874 @ $72.74 · Sale (S): 5,626 @ $73.18 · Sale (S): 11,890 @ $71.55 · Sale (S): 610 @ $72.22 | EDGAR |
| 2026-08-21 | 4 | SCHMERTZLER MICHAEL — Director | Sale (S): 5,335 @ $72.86 · Sale (S): 7,165 @ $73.67 · Sale (S): 9,419 @ $70.78 · Sale (S): 2,390 @ $71.88 · Sale (S): 691 @ $72.92 | EDGAR |
| 2026-08-19 | 4 | Boulding Mark Elliott — EXEC. VP AND CLO | Option exercise (M): 2,813 @ $25.69 · Sale (S): 1,844 @ $72.39 · Sale (S): 969 @ $72.90 · Option exercise (M): 2,813 (derivative) @ $0 | EDGAR |
| 2026-08-06 | 4 | Klein Matthew B. — CHIEF EXECUTIVE OFFICER, Director | Sale (S): 10,292 @ $68.57 | EDGAR |
| 2026-07-30 | 4 | Sollie-Zetlmayer Hege Elisabeth — Director | Grant/award (A): 4,000 @ $0 · Grant/award (A): 2,000 @ $0 · Grant/award (A): 3,475 (derivative) @ $0 · Grant/award (A): 1,738 (derivative) @ $0 | EDGAR |
| 2026-07-16 | 4 | Gravier Pierre — CHIEF FINANCIAL OFFICER | Sale (S): 3,494 @ $80.35 | EDGAR |
| 2026-07-13 | 4 | Smith Mary L. — Director | Option exercise (M): 10,000 @ $42.95 · Sale (S): 10,000 @ $90 · Option exercise (M): 5,834 @ $42.95 · Sale (S): 5,834 @ $90 · Option exercise (M): 10,000 (derivative) @ $0 · Option exercise (M): 5,834 (derivative) @ $0 | EDGAR |
| 2026-07-13 | 4 | Almstead Neil Gregory — CHIEF TECHNICAL OPS OFFICER | Option exercise (M): 2,464 @ $46.54 · Sale (S): 2,464 @ $90.25 · Option exercise (M): 2,464 (derivative) @ $0 | EDGAR |
| 2026-07-08 | 4 | Boulding Mark Elliott — EXEC. VP AND CLO | Option exercise (M): 2,266 @ $39.42 · Sale (S): 313 @ $83.10 · Sale (S): 833 @ $84.41 · Sale (S): 519 @ $85.84 · Sale (S): 601 @ $86.38 · Option exercise (M): 2,813 @ $46.54 · +6 more | EDGAR |
| 2026-07-08 | 4 | Almstead Neil Gregory — CHIEF TECHNICAL OPS OFFICER | Option exercise (M): 811 @ $38.10 · Sale (S): 426 @ $85.28 · Sale (S): 385 @ $86.34 · Option exercise (M): 18,876 @ $38.10 · Sale (S): 8,786 @ $85.35 · Sale (S): 10,090 @ $86.32 · +10 more | EDGAR |
| 2026-06-30 | 4 | Almstead Neil Gregory — CHIEF TECHNICAL OPS OFFICER | Option exercise (M): 412 @ $38.10 · Sale (S): 412 @ $85.23 · Option exercise (M): 7,718 @ $38.10 · Sale (S): 7,718 @ $85.26 · Option exercise (M): 412 (derivative) @ $0 · Option exercise (M): 7,718 (derivative) @ $0 | EDGAR |
| 2026-06-26 | 4 | Almstead Neil Gregory — CHIEF TECHNICAL OPS OFFICER | Option exercise (M): 401 @ $38.10 · Sale (S): 401 @ $85.01 · Option exercise (M): 4,922 @ $38.10 · Sale (S): 4,922 @ $85.03 · Option exercise (M): 1,001 @ $38.10 · Sale (S): 582 @ $85.24 · +11 more | EDGAR |
| 2026-06-24 | 4 | Almstead Neil Gregory — CHIEF TECHNICAL OPS OFFICER | Option exercise (M): 23,749 @ $25.69 · Sale (S): 12,130 @ $80.61 · Sale (S): 11,619 @ $81.21 · Option exercise (M): 23,749 (derivative) @ $0 | EDGAR |
| 2026-06-22 | 4 | Utter Christine Marie — SVP, CHIEF ACCOUNTING OFFICER | Option exercise (M): 19,686 @ $25.69 · Sale (S): 19,686 @ $75.56 · Option exercise (M): 19,686 (derivative) @ $0 | EDGAR |
| 2026-06-22 | 4 | Boulding Mark Elliott — EXEC. VP AND CLO | Option exercise (M): 8,510 @ $46.54 · Sale (S): 6,600 @ $78.50 · Sale (S): 1,850 @ $79.24 · Option exercise (M): 2,012 @ $46.54 · Sale (S): 1,703 @ $78.50 · Sale (S): 309 @ $79.25 · +2 more | EDGAR |
| 2026-06-12 | 4 | Pauwels Eric — CHIEF BUSINESS OFFICER | Sale (S): 3,711 @ $75 · Option exercise (M): 17,566 @ $18.01 · Sale (S): 17,566 @ $75 · Sale (S): 17,566 (derivative) @ $0 | EDGAR |
| 2026-05-19 | 4 | Boulding Mark Elliott — EXEC. VP AND CLO | Option exercise (M): 2,812 @ $25.69 · Sale (S): 2,356 @ $72.08 · Sale (S): 456 @ $72.67 · Option exercise (M): 2,812 (derivative) @ $0 | EDGAR |
| 2026-05-15 | 4 | Klein Matthew B. — CHIEF EXECUTIVE OFFICER, Director | Grant/award (A): 12,500 @ $0 · Sale (S): 679 @ $73.06 · Sale (S): 7,221 @ $73.08 · Sale (S): 2,100 @ $73.08 · Sale (S): 2,572 @ $72.46 | EDGAR |
| 2026-05-12 | 4 | Boulding Mark Elliott — EXEC. VP AND CLO | Option exercise (M): 2,740 @ $46.54 · Sale (S): 840 @ $78.23 · Sale (S): 1,900 @ $79.31 · Option exercise (M): 800 @ $46.54 · Sale (S): 200 @ $78 · Sale (S): 600 @ $79.28 · +2 more | EDGAR |
| 2026-04-23 | 4 | Klein Matthew B. — CHIEF EXECUTIVE OFFICER, Director | Sale (S): 2,850 @ $70.91 | EDGAR |
| 2026-04-08 | 4 | Boulding Mark Elliott — EXEC. VP AND CLO | Option exercise (M): 2,265 @ $39.42 · Sale (S): 822 @ $68.91 · Sale (S): 1,443 @ $69.75 · Option exercise (M): 2,265 (derivative) @ $0 | EDGAR |
| 2026-04-06 | 4 | Golden Lee Scott — EVP & CHIEF MEDICAL OFFICER | Sale (S): 829 @ $67.99 | EDGAR |
| 2026-04-03 | 4 | Almstead Neil Gregory — CHIEF TECHNICAL OPS OFFICER | Sale (S): 39,393 @ $68.89 · Sale (S): 12,530 @ $69.50 · Sale (S): 80 @ $70.30 | EDGAR |
| 2026-03-26 | 4 | Chutter Jessica Caroline — Director | Grant/award (A): 4,000 @ $0 · Grant/award (A): 3,333 @ $0 · Grant/award (A): 3,475 (derivative) @ $0 · Grant/award (A): 2,896 (derivative) @ $0 | EDGAR |
| 2026-03-13 | 4 | Klein Matthew B. — CHIEF EXECUTIVE OFFICER, Director | Grant/award (A): 12,500 @ $0 · Sale (S): 2,662 @ $64.08 | EDGAR |
| 2026-03-12 | 4 | Okey Stephanie — Director | Option exercise (M): 1,167 @ $33.63 · Sale (S): 1,167 @ $70 · Option exercise (M): 14,000 @ $33.63 · Sale (S): 14,000 @ $70 · Option exercise (M): 1,167 (derivative) @ $0 · Option exercise (M): 14,000 (derivative) @ $0 | EDGAR |
| 2026-03-09 | 4 | Okey Stephanie — Director | Sale (S): 6,333 @ $63.38 | EDGAR |
| 2026-03-09 | 4 | Golden Lee Scott — EVP & CHIEF MEDICAL OFFICER | Sale (S): 10,000 @ $63.38 | EDGAR |
| 2026-03-09 | 4 | Almstead Neil Gregory — CHIEF TECHNICAL OPS OFFICER | Sale (S): 3,989 @ $63.38 | EDGAR |
| 2026-02-23 | 4 | Boulding Mark Elliott — EXEC. VP AND CLO | Sale (S): 588 @ $68.54 · Sale (S): 1,629 @ $69.82 · Sale (S): 212 @ $68.54 · Sale (S): 590 @ $69.82 | EDGAR |
| 2026-02-20 | 4 | Gravier Pierre — CHIEF FINANCIAL OFFICER | Sale (S): 2,992 @ $69.36 | EDGAR |
| 2026-02-20 | 4 | Klein Matthew B. — CHIEF EXECUTIVE OFFICER, Director | Sale (S): 7,371 @ $69.36 | EDGAR |
| 2026-02-20 | 4 | Utter Christine Marie — SVP, CHIEF ACCOUNTING OFFICER | Sale (S): 2,494 @ $69.36 | EDGAR |
| 2026-02-20 | 4 | Golden Lee Scott — EVP & CHIEF MEDICAL OFFICER | Sale (S): 2,484 @ $69.36 | EDGAR |
| 2026-02-20 | 4 | Almstead Neil Gregory — CHIEF TECHNICAL OPS OFFICER | Sale (S): 3,056 @ $69.36 · Sale (S): 65 @ $69.36 | EDGAR |
| 2026-02-20 | 4 | Pauwels Eric — CHIEF BUSINESS OFFICER | Sale (S): 3,019 @ $69.36 | EDGAR |
| 2026-02-19 | 4 | Boulding Mark Elliott — EXEC. VP AND CLO | Option exercise (M): 2,813 @ $25.69 · Sale (S): 2,811 @ $69.29 · Sale (S): 2 @ $70.13 · Sale (S): 3,081 @ $69.36 · Option exercise (M): 2,813 (derivative) @ $0 | EDGAR |
| 2026-01-12 | 4 | Klein Matthew B. — CHIEF EXECUTIVE OFFICER, Director | Sale (S): 2,514 @ $76.45 | EDGAR |
| 2026-01-12 | 4 | Utter Christine Marie — SVP, CHIEF ACCOUNTING OFFICER | Sale (S): 1,034 @ $76.45 | EDGAR |
| 2026-01-12 | 4 | Golden Lee Scott — EVP & CHIEF MEDICAL OFFICER | Sale (S): 866 @ $76.45 | EDGAR |
| 2026-01-12 | 4 | Boulding Mark Elliott — EXEC. VP AND CLO | Sale (S): 2,482 @ $76.56 · Sale (S): 265 @ $77.07 · Sale (S): 1,286 @ $76.45 · Sale (S): 1,521 @ $77.46 · Sale (S): 686 @ $78.71 · Sale (S): 107 @ $79.52 | EDGAR |
| 2026-01-12 | 4 | Almstead Neil Gregory — CHIEF TECHNICAL OPS OFFICER | Sale (S): 881 @ $76.45 · Sale (S): 59 @ $76.45 | EDGAR |
| 2026-01-12 | 4 | Pauwels Eric — CHIEF BUSINESS OFFICER | Sale (S): 2,561 @ $76.42 · Sale (S): 587 @ $76.98 · Sale (S): 1,454 @ $76.45 · Sale (S): 1,722 @ $77.41 · Sale (S): 1,024 @ $78.70 | EDGAR |
| 2026-01-08 | 4 | Utter Christine Marie — SVP, CHIEF ACCOUNTING OFFICER | Sale (S): 1,381 @ $76.95 · Sale (S): 1,235 @ $77.45 | EDGAR |
| 2026-01-08 | 4 | Golden Lee Scott — EVP & CHIEF MEDICAL OFFICER | Sale (S): 1,340 @ $76.95 · Sale (S): 642 @ $77.48 | EDGAR |
| 2026-01-08 | 4 | Boulding Mark Elliott — EXEC. VP AND CLO | Sale (S): 1,739 @ $76.95 · Sale (S): 1,503 @ $77.48 · Option exercise (M): 2,625 @ $38.10 · Sale (S): 1,638 @ $77.11 · Sale (S): 949 @ $77.91 · Sale (S): 38 @ $78.60 · +6 more | EDGAR |
| 2026-01-08 | 4 | Almstead Neil Gregory — CHIEF TECHNICAL OPS OFFICER | Sale (S): 1,279 @ $76.95 · Sale (S): 54 @ $76.95 · Sale (S): 1,026 @ $77.48 · Sale (S): 52 @ $77.48 | EDGAR |
| 2026-01-08 | 4 | Pauwels Eric — CHIEF BUSINESS OFFICER | Sale (S): 1,789 @ $76.95 · Sale (S): 1,352 @ $77.48 | EDGAR |
Recent 8-K events — PTC THERAPEUTICS, INC.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-09-21 | 8-K | 7.01 — Regulation FD Disclosure 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-08-28 | 8-K | 1.01 — Entry into a Material Definitive Agreement | EDGAR |
| 2026-08-13 | 8-K | 7.01 — Regulation FD Disclosure 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-30 | 8-K | 2.02 — Results of Operations and Financial Condition 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-18 | 8-K | 1.01 — Entry into a Material Definitive Agreement 2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant 3.02 — Unregistered Sales of Equity Securities 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-16 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-09 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-05 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-05-07 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-04-28 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
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