Hugh Yoon J. 4

What Happened
Hugh Yoon J., Senior Vice President & Corporate Controller of Mattel, received a grant of 13,619 restricted stock units (RSUs) on May 1, 2026. The Form 4 reports the acquisition price as $0.00 (typical for RSU grants); no cash changed hands. Each RSU represents a contingent right to one share of Mattel common stock (or cash in lieu, at Mattel’s election), subject to the vesting and tax-withholding terms below.

Key Details

• Transaction date: 2026-05-01; Form filed: 2026-05-05 (filing appears timely).
• Transaction type/code: Award/Grant (A).
• Units granted: 13,619 RSUs; reported price: $0.00 (derivative grant).
• Shares owned after transaction: not disclosed in the filing.
• Footnotes: F1 — RSUs granted under the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan. F2 — Vesting: 33% on 1st anniversary, 33% on 2nd, and 34% on 3rd; on each vesting date each vested Unit converts to one share (or cash) and is subject to tax withholding.

Context
This is a compensation award (a derivative grant), not an open-market purchase or sale. RSU grants are common executive compensation and become actual shares only as they vest (or may be settled in cash), so they do not by themselves signal an insider buying or selling stock.