Skip to main content
Signal8

Volpone John

SEC insider (Form 3/4/5 filer). CIK 0002081729. President at X4 Pharmaceuticals, Inc (XFOR). 4 reported Form 4/5 transactions since Sep 2024; latest on Aug 12, 2026. Located in BOSTON, MA.

Companies Volpone John has filed insider reports for

  • X4 Pharmaceuticals, Inc (XFOR): Officer, President
Volpone John profile photo

Volpone John

CIK: 0002081729

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)1 (25.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)3 (75.0%)

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)

X4 Pharmaceuticals, Inc logo
XFOR

X4 Pharmaceuticals, Inc

Officer

Discretionary Trading P&L

Holdings

Transaction History (4 total)

  • X4 Pharmaceuticals, Inc logo
    XFOR

    X4 Pharmaceuticals, Inc

    Aug 12, 2026
    Sale
    Direct
    24.6K shares at avg. $4.44$109K
  • X4 Pharmaceuticals, Inc logo
    XFOR

    X4 Pharmaceuticals, Inc

    Oct 29, 2025
    Award

    Stock Option (right to buy)

    Direct
    2.3M shares-
  • X4 Pharmaceuticals, Inc logo
    XFOR

    X4 Pharmaceuticals, Inc

    Aug 14, 2025
    Award
    Direct
    289.9K shares-
  • X4 Pharmaceuticals, Inc logo
    XFOR

    X4 Pharmaceuticals, Inc

    Aug 12, 2025
    Award

    Stock Option (right to buy)

    Direct
    1.6M shares-

1-4 of 4