John Volpone
Equibles does not estimate personal net worth.
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John Volpone is recorded as COO at X4 Pharmaceuticals, Inc (XFOR). The newest filing on record that lists John Volpone as COO at X4 Pharmaceuticals, Inc (XFOR) is dated March 20, 2026. X4 Pharmaceuticals, Inc reported in an 8-K filed September 17, 2025 that John Volpone was appointed Chief Operating Officer, effective September 16, 2025. X4 Pharmaceuticals, Inc reported in an 8-K filed August 12, 2025 that John Volpone was appointed President. X4 Pharmaceuticals, Inc reported in an 8-K filed August 12, 2025 that John Volpone was appointed President, effective August 12, 2025. The proxy statement of X4 Pharmaceuticals, Inc reports total compensation of $6,667,487 for John Volpone in fiscal 2025, including a base salary of $176,538. X4 Pharmaceuticals, Inc is classified in the Biotechnology industry within the Healthcare sector. Other leadership on record at X4 Pharmaceuticals, Inc includes Adam Raymond Craig, M.D., Ph.D. (CEO, Chairman and Board Member), Michael Gray (CEO), Paula Ragan (CEO) and 7 others.
“On September 16, 2025, the Board appointed John Volpone as Chief Operating Officer of the Company, effective immediately.”
“the X4 Board of Directors has appointed Adam Craig, PhD, as Executive Chair, John Volpone as President, and David Kirske as Chief Financial Officer, effectively immediately.”
Affiliation history
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X4 Pharmaceuticals, Inc (XFOR)
SEC 8-K
Current2025-08-12–present
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Current
Start not stated–present
Last confirmed March 20, 2026
Company network
Leadership on record at X4 Pharmaceuticals, Inc
- Adam Raymond Craig, M.D., Ph.D. CEO, Chairman, Board Member
- Michael Gray CEO
- Paula Ragan CEO
- Adam Craig Chairman
- Adam R. Craig Chairman
- Dr. Craig Chairman, Board Member
- David H. Kirske CFO
- David Kirske CFO
- Mr. Kirske CFO
- Mary DiBiase, Ph.D. COO
Executive compensation
Compensation components disclosed in company proxy statements. Amounts are nominal USD; total is the company-reported figure.
| Fiscal year | Company | Role | Salary | Total |
|---|---|---|---|---|
| 2025 | X4 Pharmaceuticals, Inc (XFOR) | M.B.A., President and Chief Operating Officer | $176,538 | $6,667,487 |