Deckers Outdoor

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-08-17 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: DECKERS OUTDOOR CORP (DECK) CIK: 0000910521 --- Reporting Owner --- Name: Ellerker Marco CIK: 0002030873 Role: Officer (President, Global Marketplace) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-08-17 | Code: A (Grant or award) Shares: +5,548 | Price: $0.00 Shares Owned After: 44,654 | Ownership: D (Direct) Footnotes: [F1] The Time-Based Restricted Stock Units (the Time-Based RSUs) were granted pursuant to the Issuer's 2024 Stock Incentive Plan. The Time-Based RSUs vest as to 33.33% of the underlying shares on 8/15/2027, 33.33% on 8/15/2028, and 33.34% on 8/15/2029, subject to the satisfaction of continuous service requirements. At the time that continuous service requirements cease to be met, no further vesting will occur and the remaining Time-Based RSUs will not be earned. The Time-Based RSUs will be settled in the Issuer's common stock upon satisfaction of the vesting conditions. [Transaction #2] Security: Common Stock (Long-Term Incentive Performance-Based RSUs) Date: 2026-08-17 | Code: A (Grant or award) Shares: +16,162 | Price: $0.00 Shares Owned After: 60,816 | Ownership: D (Direct) Footnotes: [F2] Refer to Exhibit 99 for additional information. [F3] The amounts listed are the maximum number of LTIP Performance RSUs that may vest. --- Footnotes (Complete Index) --- F1: The Time-Based Restricted Stock Units (the Time-Based RSUs) were granted pursuant to the Issuer's 2024 Stock Incentive Plan. The Time-Based RSUs vest as to 33.33% of the underlying shares on 8/15/2027, 33.33% on 8/15/2028, and 33.34% on 8/15/2029, subject to the satisfaction of continuous service requirements. At the time that continuous service requirements cease to be met, no further vesting will occur and the remaining Time-Based RSUs will not be earned. The Time-Based RSUs will be settled in the Issuer's common stock upon satisfaction of the vesting conditions. F2: Refer to Exhibit 99 for additional information. F3: The amounts listed are the maximum number of LTIP Performance RSUs that may vest. --- Signature --- /s/ /s/ Lisa Bereda for Marco Ellerker as Attorney in Fact (2026-08-19)