Magnite (MGNI) Chief Accounting Officer Brian Gephart Sells 12,479 Shares

What Happened
Brian Gephart, Chief Accounting Officer of Magnite, reported an open-market sale of 12,479 shares on August 10, 2026. The filing shows a weighted average sale price of $24.68 per share (range $24.68–$24.71), for total proceeds of approximately $307,982. This was a disposition (sale), which is often routine and does not necessarily indicate a change in view about the company.

Key Details

• Transaction date: 2026-08-10 (reported on Form 4 filed 2026-08-12; timely filing under Section 16 rules)
• Shares sold: 12,479
• Price: weighted average $24.68; prices ranged $24.68–$24.71 (see footnote)
• Total proceeds: ~$307,982
• Shares owned after transaction: not disclosed in this filing
• Footnote: The reported price is a weighted average; the filer can provide a breakdown of shares sold at each price within the stated range upon request

Context
This report documents a straight sale (insider disposition). Sales by executives can be routine (e.g., diversification, tax planning, or liquidity needs) and are less directly informative than purchases, which may signal increased confidence. No option exercises, gifts, or 10%‑owner transactions are involved here.