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JV

John S. Vieceli

Insider · Chief Product Officer · QSI

John S. Vieceli files insider transactions with the SEC as a chief product officer of Quantum-Si (QSI). We hold 4 disclosed purchases and sales filed since 25 September 2024, 2 of them in the last 90 days.

  • Files forQSI
  • Disclosed buys and sells4 in all, 2 in the last 90 days
  • Last disclosure24 June 2026

Positions held

1 post we hold — a term names its own dates; a run of filings only says when they filed
  • Filed 23 September 2024 — 23 June 2026Chief Product Officer · Quantum-Si (QSI)19 Form 4 lines · source: SEC Form 4

Everything they disclosed

19 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.