Joseph Mario Onorati - 17 Dec 2025 Form 4 Insider Report for DeFi Development Corp. (DFDV)

Role: CEO & Chairman, Director, 10%+ Owner
Signature: /s/ Joseph Mario Onorati
Issuer symbol: DFDV
Transactions as of: 17 Dec 2025
Net transactions value: $0
Form type: 4
Filing time: 19 Dec 2025, 16:31:01 UTC
Previous filing: 03 Dec 2025
Next filing: 19 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Onorati Joseph Mario	CEO & Chairman, Director, 10%+ Owner	6041 CONGRESS AVENUE, SUITE 250, BOCA RATON	/s/ Joseph Mario Onorati	19 Dec 2025	0002061890

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	DFDV	Common Stock						2,216,137	17 Dec 2025	By 3277447 Nova Scotia Ltd	F1
holding	DFDV	Series A Preferred Stock						4,500	17 Dec 2025	By 3277447 Nova Scotia Ltd	F1
holding	DFDV	Common Stock						271,043	17 Dec 2025	By SolSync Solutions Partnership	F2

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	+214,659		$0.000000	214,659	17 Dec 2025	Common Stock	214,659	$4.97	Direct	F3
holding	DFDV	Stock Option (Right to buy)						301,980	17 Dec 2025	Common Stock	301,980	$3.91	Direct	F4
holding	DFDV	Warrant (Right to buy)						27,104	17 Dec 2025	Common Stock	27,104	$22.50	By SolSync Solutions Partnership	F2

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

Explanation of Responses:

Id	Content
F1	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.
F2	Parker White and Mr. Onorati are partners of SolSync Solutions Partnership, an Alaska general partnership. Parker White is the general partner and maintains voting and dispositive control over the reported shares.
F3	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.
F4	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.