MAGNITE, INC.·4

Feb 18, 4:30 PM ET

BARRETT MICHAEL G. 4

Research Summary

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Updated

Magnite CEO Michael Barrett Forfeits 23,549 Shares to Cover Taxes

What Happened Michael G. Barrett, CEO and Director of Magnite, Inc. (MGNI), had 23,549 shares (disposed) withheld at $11.70 per share — a total of $275,523 — to satisfy tax withholding obligations associated with vested restricted stock units. This was a non‑discretionary forfeiture to cover taxes, not an open‑market sale.

Key Details

  • Transaction date: 2026-02-15; price per share: $11.70; total value: $275,523.
  • Shares withheld/disposed: 23,549 (transaction code F — tax withholding).
  • Shares owned after the transaction: not disclosed in the filing excerpt.
  • Footnote: Represents non‑discretionary forfeiture of shares mandated by the issuer to cover tax withholding on RSU vesting.
  • Filing date: 2026-02-18 — appears to have been filed within the required SEC timing window (timely).

Context This was a routine tax‑withholding/net settlement tied to RSU vesting (common practice), not an indication of a voluntary open‑market sale or purchase. Such withholding simply satisfies tax obligations and should not be interpreted alone as a bullish or bearish signal about insider sentiment.