Isaias Zanatta Roberto Jacobo 4

What Happened
Isaias Zanatta, EVP & Chief Supply Chain Officer at Mattel (MAT), received the final vesting tranche of RSUs granted on April 28, 2023. On April 28, 2026, 14,545 shares of Mattel common stock were issued upon vesting. To satisfy required tax withholding, 7,401 of those shares were automatically withheld (disposed) at a reported withholding value of $14.79 per share, totaling $109,461.

Key Details

• Transaction date: April 28, 2026; Form 4 filed April 30, 2026 (timely filing).
• Shares issued on vesting: 14,545 shares (final 34% tranche of the April 28, 2023 RSU grant).
• Shares withheld for taxes: 7,401 shares at $14.79/share = $109,461 (tax withholding, code F).
• Derivative/vesting reporting: Form shows exercise/conversion of derivative (code M) reflecting RSU conversion to shares.
• Shares owned after transaction: Not disclosed in the provided filing.
• Footnotes: F1 documents the original April 28, 2023 RSU grant and vesting schedule; F2 explains the automatic withholding of 7,401 shares for tax.

Context
This was an RSU vesting event, not an open-market buy or sell by the insider. The withholding of shares to cover taxes is routine and does not imply a separate decision to sell shares on the market. For retail investors, vesting/withholding events primarily reflect scheduled compensation mechanics rather than a direct insider view on the stock.