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David Buonasera

Insider · Chief Technology Officer · MGNI

David Buonasera files insider transactions with the SEC as a chief technology officer of Magnite (MGNI). We hold 9 disclosed purchases and sales filed since 2 March 2023, 8 of them in the last 90 days.

  • Files forMGNI
  • Disclosed buys and sells9 in all, 8 in the last 90 days
  • Last disclosure3 September 2026

Positions held

1 post we hold — a term names its own dates; a run of filings only says when they filed
  • Filed 28 February 2023 — 2 September 2026Chief Technology Officer · Magnite (MGNI)56 Form 4 lines · source: SEC Form 4

Everything they disclosed

56 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.