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JY

Jonathan Yen-Wen Yu

Insider · Chief Operating Officer · IRON

Jonathan Yen-Wen Yu files insider transactions with the SEC as a chief operating officer of Disc Medicine (IRON). We hold 8 disclosed purchases and sales filed since 3 January 2023, 7 of them in the last 90 days.

  • Files forIRON
  • Disclosed buys and sells8 in all, 7 in the last 90 days
  • Last disclosure26 August 2026

Positions held

1 post we hold — a term names its own dates; a run of filings only says when they filed
  • Filed 29 December 2022 — 25 August 2026Chief Operating Officer · Disc Medicine (IRON)42 Form 4 lines · source: SEC Form 4

Everything they disclosed

42 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.