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Grigorios Siokas

Insider · Chief Executive Officer · COSM

Grigorios Siokas files insider transactions with the SEC as a chief executive officer of Cosmos Holdings (COSM). We hold 13 disclosed purchases and sales filed since 5 February 2016, 4 of them in the last 90 days.

  • Files forCOSM
  • Disclosed buys and sells13 in all, 4 in the last 90 days
  • Last disclosure31 July 2026

Positions held

1 post we hold — a term names its own dates; a run of filings only says when they filed
  • Filed 8 January 2016 — 30 July 2026Chief Executive Officer · Cosmos Holdings (COSM)252 Form 4 lines · source: SEC Form 4

Everything they disclosed

120 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.