X0609 4 2026-10-07 0 0001805526 DeFi Development Corp. DFDV 0002061890 Onorati Joseph Mario false C/O DEFI DEVELOPMENT CORP. 6401 CONGRESS AVENUE SUITE 250 BOCA RATON FL 33487 1 1 1 0 CEO and Chairman 0 Common Stock 2026-10-07 4 J 0 271043 0 D 0 I By SolSync Solutions Partnership Common Stock 2026-10-07 4 J 0 271043 0 A 271043 I By DeFi International Holding, LLC Common Stock 2216137 I By 3277447 Nova Scotia Ltd Series A Preferred Stock 4500 I By 3277447 Nova Scotia Ltd Warrant (Right to buy) 22.50 2026-10-07 4 J 0 27104 0 D 2025-11-16 2028-01-21 Common Stock 27104 0 I By SolSync Solutions Partnership Warrant (Right to buy) 22.50 2026-10-07 4 J 0 27104 0 A 2025-11-16 2028-01-21 Common Stock 27104 27104 I By DeFi International Holding, LLC On October 7, 2026, SolSync Solutions Partnership, an Alaska general partnership (the "Partnership"), dissolved and distributed all of the securities of the Issuer that it held to its two partners in kind, in complete liquidation of their partnership interests and in proportion to their respective percentage interests, for no consideration. Mr. Onorati previously reported only the securities held by the Partnership in which he had a pecuniary interest. Parker White and DeFi International Holding, LLC were partners of SolSync Solutions Partnership, an Alaska general partnership. Parker White was the managing partner and maintained voting and dispositive control over the securities held by the Partnership. Following the distribution, the Partnership holds no securities of the Issuer and is being wound up. DeFi International Holding, LLC, a Wyoming limited liability company, was a partner of the Partnership and received these securities in the distribution. Mr. Onorati is a manager of DeFi International Holding, LLC and may be deemed to beneficially own the securities it holds. Mr. Onorati is the control person as director and president of 3277447 Nova Scotia Ltd and may be deemed to control 3277447 Nova Scotia Ltd. /s/Joseph Mario Onorati 2026-10-09