PTC Therapeutics Inc is a biopharmaceutical company that discovers, develops and commercializes clinically differentiated medicines that provide benefits to children and adults living with rare disorders. Its diversified therapeutic portfolio that includes several commercial products and product candidates in various stages of development, including discovery, research and clinical stages, focused on the development of new treatments for multiple therapeutic areas for rare diseases relating to neurology and metabolism. The company views its operations and manages its business in one operating segment: life science, which is focused on the discovery, development and commercialization of the company's clinically differentiated medicines that provide benefits to patients with rare disorders.
PTCT Form 4 activity by transaction type, last 90 days
Form 4 transaction type
Transactions
Shares
Total value
Open-market sale
25
119,870
$8.31M
Grant or award
4
11,213
Option exercise
10
34,156
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
PTCT insider transactions (Form 4)
106
85 Form 4 filings on record, the earliest from Dec 4, 2024, newest first. Filing history page 2 of 3.
Footnote F1 (shares): Represents the number of shares of the Issuer's common stock underlying restricted stock units ("RSUs") earned upon the vesting of performance-based restricted stock units ("PSUs") granted in December 2024. The Issuer's compensation committee of the board of directors certified… Full note on SEC EDGAR
Footnote F2 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $67.99 to $68.93 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
Footnote F3 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $69.52 to $70.18 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
Footnote F1 (shares): Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting of 3,500 RSUs from a February 15, 2024 grant of 14,000 RSUs and the vesting of… Full note on SEC EDGAR
Footnote F1 (shares): Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting of 4,750 RSUs from a February 15, 2024 grant of 19,000 RSUs and the vesting of… Full note on SEC EDGAR
Footnote F1 (shares): Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting of 5,500 RSUs from a February 15, 2024 grant of 22,000 RSUs and the vesting of… Full note on SEC EDGAR
Footnote F1 (shares): Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting of 17,500 RSUs from a February 15, 2025 grant of 70,000 RSUs.
Footnote F1 (shares): Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting of 5,000 RSUs from a February 15, 2024 grant of 20,000 RSUs and the vesting of… Full note on SEC EDGAR
Footnote F1 (shares): Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting of 4,750 RSUs from a February 15, 2024 grant of 19,000 RSUs and the vesting of… Full note on SEC EDGAR
Footnote F2 (shares): Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting of 217 RSUs from a February 15, 2024 grant of 870 RSUs.
Footnote F2 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $68.84 to $69.80 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
Footnote F3 (shares): Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting of 4,500 RSUs from a February 15, 2024 grant of 18,000 RSUs and the vesting of… Full note on SEC EDGAR
Footnote F1 (shares): Represents shares automatically sold pursuant to irrevocable sell to cover elections entered into upon acceptance of the respective grants to satisfy tax withholding obligations in connection with the vesting of 2,900 RSUs from a January 7, 2022 grant of 11,600 RSUs.
Footnote F2 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $75.89 to $76.88 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
Footnote F3 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $76.91 to $77.13 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
Footnote F4 (shares): Represents shares automatically sold pursuant to irrevocable sell to cover elections entered into upon acceptance of the respective grants to satisfy tax withholding obligations in connection with the vesting of 4,200 RSUs from a January 7, 2022 grant of 16,800 RSUs.
Footnote F5 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $77.10 to $77.77 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
Footnote F6 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $78.16 to $79.01 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
Footnote F1 (shares): Represents shares automatically sold pursuant to irrevocable sell to cover elections entered into upon acceptance of the respective grants to satisfy tax withholding obligations in connection with the vesting of 5,250 RSUs from a January 7, 2022 grant of 21,000 RSUs.
Footnote F1 (shares): Represents shares automatically sold pursuant to irrevocable sell to cover elections entered into upon acceptance of the respective grants to satisfy tax withholding obligations in connection with the vesting of 3,539 RSUs from January 7, 2022 grants totaling 14,155 RSUs.
Footnote F2 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $75.95 to $76.92 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
Footnote F3 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $76.99 to $77.23 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
Footnote F4 (shares): Represents shares automatically sold pursuant to an irrevocable sell to cover election to satisfy tax withholding obligations in connection with the vesting of 3,600 RSUs from a January 7, 2022 grant of 14,400 RSUs.
Footnote F5 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $77.12 to $78.08 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
Footnote F6 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $78.23 to $79.21 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
Footnote F7 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $79.35 to $79.60 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
Footnote F1 (shares): Represents shares automatically sold pursuant to an irrevocable sell to cover election to satisfy tax withholding obligations in connection with the vesting of 3,600 RSUs from a January 7, 2022 grant of 14,400 RSUs.
Footnote F2 (shares): Represents shares automatically sold pursuant to an irrevocable sell to cover election to satisfy tax withholding obligations in connection with the vesting of 195 RSUs from a January 7, 2022 grant of 780 RSUs.
Footnote F1 (shares): Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting of 3,500 RSUs from a January 3, 2025 grant of 14,000 RSUs.
Footnote F2 (shares): Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting of 3,500 RSUs from a January 5, 2023 grant of 14,000 RSUs.
Footnote F1 (shares): Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting of 5,625 RSUs from a January 3, 2025 grant of 22,500 RSUs
Footnote F1 (shares): Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting of 5,500 RSUs from a January 3, 2025 grant of 22,000 RSUs.
Footnote F2 (shares): Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting of 4,500 RSUs from a January 5, 2023 grant of 18,000 RSUs.
Footnote F1 (shares): Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting of 17,500 RSUs from a January 3, 2025 grant of 70,000 RSUs.
Footnote F2 (shares): Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting of 6,500 RSUs from a January 5, 2023 grant of 26,000 RSUs.
Footnote F1 (shares): Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting of 5,000 RSUs from a January 3, 2025 grant of 20,000 RSUs.
Footnote F2 (shares): Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting of 2,666 RSUs from a January 5, 2023 grant of 10,640 RSUs.
Footnote F1 (shares): Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting of 4,500 RSUs from a January 3, 2025 grant of 18,000 RSUs.
Footnote F2 (shares): Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting of 4,250 RSUs from a January 5, 2023 grant of 17,000 RSUs.
Footnote F4 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $76.56 to $77.55 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
Footnote F5 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $77.58 to $78.54 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
Footnote F6 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $76.54 to $77.52 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
Footnote F7 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $77.54 to $78.47 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
Footnote F1 (shares): Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting of 4,750 RSUs from a January 3, 2025 grant of 19,000 RSUs.
Footnote F2 (shares): Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting of 178 RSUs from a January 3, 2025 grant of 715 RSUs.
Footnote F3 (shares): Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting of 4,250 RSUs from a January 5, 2023 grant of 17,000 RSUs.
Footnote F4 (shares): Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting of 177 RSUs from a January 5, 2023 grant of 710 RSUs.
Footnote F1 (shares): Represents the number of shares of the Issuer's common stock underlying restricted stock units ("RSUs") earned upon the vesting of performance-based restricted stock units ("PSUs") granted in December 2024. On December 1, 2025, the Issuer's board of directors certified the… Full note on SEC EDGAR
Footnote F2 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $80.00 to $80.72 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
Footnote F3 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $82.00 to $82.98 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
Footnote F4 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $83.00 to $83.97 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
Footnote F5 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $84.00 to $84.81 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
Footnote F6 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $85.14 to $85.34 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
Footnote F7 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $84.00 to $84.97 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
Footnote F8 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $85.00 to $85.60 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
Footnote F2 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $80.00 to $80.55 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
Footnote F3 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $80.14 to $80.48 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
Footnote F4 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $80.00 to $80.68 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
Footnote F5 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $80.00 to $80.88 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
Footnote F6 (price): This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $80.00 to $80.56 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to… Full note on SEC EDGAR
An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
PTC THERAPEUTICS, INC. (PTCT) had 11 insider filings in the last 90 days, with the most recent on 2026-10-13. The full record for PTCT runs to 85 Form 4 filings, the earliest from 2024-12-04. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying PTCT stock?
No insider purchases of PTCT were filed in the last 90 days.
How many insiders are selling PTCT stock?
25 insider sales of PTCT were filed in the last 90 days, totaling $8.31M.
Where can I see PTCT SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects PTCT Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.