Brian Mahony - 19 Feb 2026 Form 4 Insider Report for DELUXE CORP (DLX)

Role: President, Merchant Services
Signature: /s/ Kortney Q. Nordrum, Attorney in Fact
Issuer symbol: DLX
Transactions as of: 19 Feb 2026
Net transactions value: -$68,519
Form type: 4
Filing time: 20 Feb 2026, 16:50:07 UTC
Previous filing: 11 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Mahony Brian	President, Merchant Services	801 MARQUETTE AVE. S., MINNEAPOLIS	/s/ Kortney Q. Nordrum, Attorney in Fact	20 Feb 2026	0002053395

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	DLX	Common Stock	Options Exercise	$0	+5,132		$0.000000	5,132	19 Feb 2026	Direct	F1
transaction	DLX	Common Stock	Tax liability	$68,519	-2,508	-49%	$27.32	2,624	19 Feb 2026	Direct	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	DLX	Restricted Stock Unit	Options Exercise	$0	-5,132	-33%	$0.000000	10,266	19 Feb 2026	Common Stock	5,132	$0.000000	Direct	F3

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

Explanation of Responses:

Id	Content
F1	Transaction reflects vesting and conversion into shares on a one-for-one basis of restricted stock units previously awarded.
F2	Transaction reflects withholding of shares to satisfy tax liabilities associated with vesting of restricted stock units.
F3	Restricted stock units granted under the Company's Stock Incentive Plan that vest in equal one-third increments on the first three anniversaries of date of grant. Upon vesting, each unit is converted into a share of common stock. Subject to certain exceptions, vesting is contingent upon continued employment.