John (Fei) Han - 17 Dec 2025 Form 4 Insider Report for DeFi Development Corp. (DFDV)

Role: Chief Financial Officer
Signature: /s/ John (Fei) Han
Issuer symbol: DFDV
Transactions as of: 17 Dec 2025
Net transactions value: $0
Form type: 4
Filing time: 19 Dec 2025, 16:31:03 UTC
Previous filing: 25 Nov 2025
Next filing: 19 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Han Fei	Chief Financial Officer	6401 CONGRESS AVENUE, SUITE 250, BOCA RATON	/s/ John (Fei) Han	19 Dec 2025	0002062017

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	DFDV	Common Stock						468,517	17 Dec 2025	By Defi Dev LLC	F1
holding	DFDV	Series A Preferred Stock						1,000	17 Dec 2025	By Defi Dev LLC	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	DFDV	Stock Option (Right to buy)	Award	$0	+226,703		$0.000000	226,703	17 Dec 2025	Common Stock	226,703	$4.97	Direct	F2
holding	DFDV	Stock Option (Right to buy)						180,985	17 Dec 2025	Common Stock	180,985	$3.91	Direct	F3
holding	DFDV	Warrant (Right to buy)						46,852	17 Dec 2025	Common Stock	46,852	$22.50	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Mr. Han is a member of Defi Dev LLC, a manager-managed limited liability company. The securities herein are voted on by Parker White serving as manager of Defi Dev LLC.
F2	The date shown is the first date exercisable. One forty-eighth (1/48th) of the total number of shares subject to the Option shall vest on the first date shown and on the same day of each month following the first vesting date, such that 100% of the shares subject to the Option will be vested on the four (4) year anniversary of the grant date, subject to the reporting person's continued service through each applicable vesting date.
F3	The date shown is the first date exercisable. One-fourth (1/4th) of the total number of shares subject to the Option shall vest on the first anniversary of the grant date, and thereafter one-thirty-sixth (1/36th) shall vest on the same date of the month applicable to the first vesting date on each of the thirty-six (36) months that occur after the date shown, such that 100% of the shares subject to the Option will be vested on the four (4) year anniversary of the grant date, subject to the reporting person's continued service through each applicable vesting date.