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SOUTHWELL DAVID P profile photo

David P. Southwell

CIK: 0001251553

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)1 (14.3%)

Position reduction

Option Exercises (M)1 (14.3%)

Derivative conversions

Awards (A)4 (57.1%)

Compensation grants

Other (G, F, J, C, D, …)1 (14.3%)

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

Companies & Roles (2)

ROCKET PHARMACEUTICALS, INC. logo
RCKT

ROCKET PHARMACEUTICALS, INC.

Director
PTC THERAPEUTICS, INC. logo
PTCT

PTC THERAPEUTICS, INC.

Director

Discretionary Trading P&L

Holdings

Transaction History (7 total)

  • ROCKET PHARMACEUTICALS, INC. logo
    RCKT

    ROCKET PHARMACEUTICALS, INC.

    Aug 3, 2026
    Other(J)
    Direct
    150K shares-
  • ROCKET PHARMACEUTICALS, INC. logo
    RCKT

    ROCKET PHARMACEUTICALS, INC.

    Jun 18, 2026
    Award(A)
    Direct
    22.9K shares-
  • PTC THERAPEUTICS, INC. logo
    PTCT

    PTC THERAPEUTICS, INC.

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

    PTC THERAPEUTICS, INC.

    Sep 9, 2025
    Sale(S)
    Direct
    12K shares at avg. $58.34$700K
  • PTC THERAPEUTICS, INC. logo
    PTCT

    PTC THERAPEUTICS, INC.

    Sep 9, 2025
    Exercise(M)
    Direct
    12K shares at avg. $30.86$370K
  • ROCKET PHARMACEUTICALS, INC. logo
    RCKT

    ROCKET PHARMACEUTICALS, INC.

    Jun 18, 2025
    Award(A)
    Direct
    30K shares-
  • PTC THERAPEUTICS, INC. logo
    PTCT

    PTC THERAPEUTICS, INC.

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

1-7 of 7

About SOUTHWELL DAVID P

SOUTHWELL DAVID P (SEC CIK 0001251553) files insider reports with the SEC as Director of ROCKET PHARMACEUTICALS, INC. (RCKT) and Director of PTC THERAPEUTICS, INC. (PTCT).

Signal8 holds 6 ownership filings by SOUTHWELL DAVID P, all Form 4s, filed between Jan 7, 2025 and Aug 5, 2026. Those filings report 7 transactions, from Jan 3, 2025 to Aug 3, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on SOUTHWELL DAVID P's filings is in CRANBURY, NJ.

Recent filings by SOUTHWELL DAVID P

  • Aug 3, 2026: Other transaction of RCKT shares (Form 4, code J).
  • Jun 18, 2026: Grant or award of RCKT shares (Form 4, code A).
  • Jan 2, 2026: Grant or award of PTCT shares (Form 4, code A).
  • Sep 9, 2025: Open-market sale of PTCT shares (Form 4, code S).
  • Sep 9, 2025: Option exercise of PTCT shares (Form 4, code M).

Other insiders filing for ROCKET PHARMACEUTICALS, INC. (RCKT)

How to read Form 4 transaction codes