Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * White Parker 2. Issuer Name and Ticker or Trading Symbol DeFi Development Corp. [DFDV] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O DEFI DEVELOPMENT CORP., 6401 CONGRESS AVENUE, SUITE 250 3. Date of Earliest Transaction (Month/Day/Year) 10/07/2026 (Street) BOCA RATON, FL 33487 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 10/07/2026 J(1) 333,841 D $ 0 0 I By SolSync Solutions Partnership(2) Common Stock 10/07/2026 J(1) 333,841 A $ 0 613,785 D Common Stock 2,488,992 I By Defi Dev LLC(3) Series A Preferred Stock 4,500 I By Defi Dev LLC(3) Variable Rate Series C Perpetual Preferred Stock 10,000 D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Warrant (Right to buy)

$22.5

10/07/2026

J(1)

33,384

11/16/2025

01/21/2028

Common Stock

33,384

$ 0

0

I

By SolSync Solutions Partnership(2)

Warrant (Right to buy)

$22.5

10/07/2026

J(1)

33,384

11/16/2025

01/21/2028

Common Stock

33,384

$ 0

253,781

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
White Parker C/O DEFI DEVELOPMENT CORP. 6401 CONGRESS AVENUE, SUITE 250 BOCA RATON, FL 33487		X

Signatures

/s/ Parker White		10/09/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	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. Parker White previously reported only the securities held by the Partnership in which he had a pecuniary interest.
(2)	Parker White was the general partner of the Partnership 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.
(3)	Defi Dev LLC is a manager-managed limited liability company, with Parker White serving as manager.

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