Form 4 Filing for Joseph Mario Onorati

This filing details transactions by Joseph Mario Onorati, CEO and Chairman of DeFi Development Corp. On October 7, 2026, SolSync Solutions Partnership dissolved and distributed its holdings of DeFi Development Corp. common stock and Series A Preferred Stock. Mr. Onorati previously reported only the securities held by the Partnership in which he had a pecuniary interest. Following the distribution, the Partnership holds no securities and is being wound up. DeFi International Holding, LLC, a Wyoming limited liability company, received securities in the distribution, and Mr. Onorati may be deemed to beneficially own these securities as he is a manager. Additionally, Mr. Onorati is a control person of 3277447 Nova Scotia Ltd, which holds a significant number of common and Series A Preferred shares. The filing also includes transactions related to warrants to buy common stock.