Magnite CEO Michael Barrett Forfeits Shares for Taxes

What Happened

• Michael G. Barrett, CEO and Director of Magnite, Inc. (MGNI), had 10,404 shares forfeited on August 15, 2026 to cover tax withholding obligations tied to the vesting of restricted stock units (RSUs). The shares were valued at $24.73 each, for a total withholding amount of $257,291.
• This was a non-discretionary tax-withholding action (not an open-market sale or purchase) and is a routine mechanism companies use when RSUs vest.

Key Details

• Transaction date: 2026-08-15
• Price per share: $24.73; Shares forfeited: 10,404; Value: $257,291
• Transaction code: F (tax withholding / forfeiture)
• Footnote: F1 — non-discretionary forfeiture to cover tax withholding for vested RSUs
• Filing date on EDGAR: 2026-08-18; the filing does not indicate a late-report flag in the provided summary
• Shares owned after transaction: not specified in the provided filing

Context

• This was a tax-withholding forfeiture (company retained shares to satisfy taxes) rather than an open-market sale; such actions are common with RSU vesting and do not necessarily signal insider sentiment about the company’s prospects.
• For retail investors, purchases by insiders typically carry more informational weight than routine tax withholding or forfeiture transactions like this one.