Boulding Mark Elliott 4
4 · PTC THERAPEUTICS, INC. · Filed Jan 12, 2026
Insider Transaction Report
Form 4
Boulding Mark Elliott
EXEC. VP AND CLO
Transactions
- Sale
Common Stock
[F1][F2]2026-01-08$76.56/sh−2,482$190,022→ 115,177 total - Sale
Common Stock
[F1][F3]2026-01-08$77.07/sh−265$20,424→ 114,912 total - Sale
Common Stock
[F4]2026-01-08$76.45/sh−1,286$98,315→ 113,626 total - Sale
Common Stock
[F1][F5]2026-01-09$77.46/sh−1,521$117,817→ 112,105 total - Sale
Common Stock
[F1][F6]2026-01-09$78.71/sh−686$53,995→ 111,419 total - Sale
Common Stock
[F1][F7]2026-01-09$79.52/sh−107$8,509→ 111,312 total
Footnotes (7)
- [F1]This transaction was effected pursuant to a written Rule 10b5-1 plan adopted by the Reporting Person on December 4, 2024.
- [F2]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 provide full information regarding the number of shares sold at each separate price.
- [F3]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 provide full information regarding the number of shares sold at each separate price.
- [F4]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.
- [F5]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 provide full information regarding the number of shares sold at each separate price.
- [F6]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 provide full information regarding the number of shares sold at each separate price.
- [F7]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 provide full information regarding the number of shares sold at each separate price.
Signature
/s/ Avraham S. Adler, Attorney-in-Fact|2026-01-12