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Thomas P. Gallagher

Insider · Chairman & CEO · MIAX

Thomas P. Gallagher files insider transactions with the SEC as a chairman & ceo of Miami International Holdings (MIAX). We hold 10 disclosed purchases and sales filed since 15 August 2025, 6 of them in the last 90 days.

  • Files forMIAX
  • Disclosed buys and sells10 in all, 6 in the last 90 days
  • Last disclosure4 September 2026

Positions held

1 post we hold — a term names its own dates; a run of filings only says when they filed
  • Filed 13 August 2025 — 3 September 2026Chairman & CEO · Miami International Holdings (MIAX)74 Form 4 lines · source: SEC Form 4

Everything they disclosed

74 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.