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JV

John Volpone

Insider · President · XFOR

John Volpone files insider transactions with the SEC as a president of X4 Pharmaceuticals (XFOR). We hold 1 disclosed purchase or sale filed since 14 August 2025, 1 of them in the last 90 days.

  • Files forXFOR
  • Disclosed buys and sells1 in all, 1 in the last 90 days
  • Last disclosure13 August 2026

Positions held

1 post we hold — a term names its own dates; a run of filings only says when they filed
  • Filed 12 August 2025 — 12 August 2026President · X4 Pharmaceuticals (XFOR)5 Form 4 lines · source: SEC Form 4

Everything they disclosed

5 entries, newest first — one per disclosure report, one per Form 4 line

Positions come from the unitedstates/congress-legislators roster, the Office of Government Ethics and the SEC’s Form 4 index. Every disclosed line names its own source and links the document the government published; we print what the filing says and never a price we did not read from it. Headlines and links come from the GDELT Global Knowledge Graph — the story stays with the publisher. The portrait, where we have one, is the public-domain Congressional Bioguide photograph.