Buonasera David 4

What Happened

• David Buonasera, Chief Technology Officer of Magnite, Inc. (MGNI), disposed of 1,409 shares on June 1, 2026. The shares were sold at $15.00 each for a total transaction value of approximately $21,135. The transaction is reported as an open-market or private sale (S), i.e., a sale rather than a purchase.

Key Details

• Transaction date and price: 2026-06-01 — 1,409 shares at $15.00 per share.
• Total value: approximately $21,135.
• Transaction type: Sale (code S); described as "Open market or private sale."
• Footnote: Transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 11, 2025.
• Filing info: Report filed with the SEC on 2026-06-03 for the period ending 2026-06-01. (No late-filing flag provided in the supplied data.)
• Shares owned after transaction: Not specified in the provided filing extract.

Context

• Sales by executives can be routine (e.g., planned under a 10b5-1 plan or for diversification/taxes) and do not by themselves indicate a change in company outlook. This particular sale was executed under a previously adopted 10b5-1 plan and is modest in dollar size (~$21k).