Skip to main content
Signal8
Smith Mary L. profile photo

Mary L. Smith

CIK: 0001866044

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)2 (33.3%)

Position reduction

Option Exercises (M)2 (33.3%)

Derivative conversions

Awards (A)2 (33.3%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

PTC THERAPEUTICS, INC. logo
PTCT

PTC THERAPEUTICS, INC.

Director

Discretionary Trading P&L

Holdings

Transaction History (6 total)

  • PTC THERAPEUTICS, INC. logo
    PTCT

    PTC THERAPEUTICS, INC.

    Jul 9, 2026
    Exercise(M)
    Direct
    10K shares at avg. $42.95$430K
  • PTC THERAPEUTICS, INC. logo
    PTCT

    PTC THERAPEUTICS, INC.

    Jul 9, 2026
    Sale(S)
    Direct
    10K shares at avg. $90.00$900K
  • PTC THERAPEUTICS, INC. logo
    PTCT

    PTC THERAPEUTICS, INC.

    Jul 9, 2026
    Exercise(M)
    Direct
    5.8K shares at avg. $42.95$251K
  • PTC THERAPEUTICS, INC. logo
    PTCT

    PTC THERAPEUTICS, INC.

    Jul 9, 2026
    Sale(S)
    Direct
    5.8K shares at avg. $90.00$525K
  • PTC THERAPEUTICS, INC. logo
    PTCT

    PTC THERAPEUTICS, INC.

    Jan 2, 2026
    Award(A)
    Direct
    4K shares-
  • PTC THERAPEUTICS, INC. logo
    PTCT

    PTC THERAPEUTICS, INC.

    Jan 3, 2025
    Award(A)
    Direct
    4K shares-

1-6 of 6

About Smith Mary L.

Smith Mary L. (SEC CIK 0001866044) files insider reports with the SEC as Director of PTC THERAPEUTICS, INC. (PTCT).

Signal8 holds 3 ownership filings by Smith Mary L., all Form 4s, filed between Jan 7, 2025 and Jul 13, 2026. Those filings report 6 transactions, from Jan 3, 2025 to Jul 9, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Smith Mary L.'s filings is in WARREN, NJ.

Recent filings by Smith Mary L.

  • Jul 9, 2026: Option exercise of PTCT shares (Form 4, code M).
  • Jul 9, 2026: Open-market sale of PTCT shares (Form 4, code S).
  • Jul 9, 2026: Option exercise of PTCT shares (Form 4, code M).
  • Jul 9, 2026: Open-market sale of PTCT shares (Form 4, code S).
  • Jan 2, 2026: Grant or award of PTCT shares (Form 4, code A).

Other insiders filing for PTC THERAPEUTICS, INC. (PTCT)

How to read Form 4 transaction codes