Company: DLX
Filing Date: 2025-04-24
Form Type: S-3ASR
Source: 0001104659-25-038372
Chunk: 6

Company: DELUXE CORP
Filing Date: 2025-04-24
Form: S-3ASR
Chunk 6
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 with the SEC, including Deluxe. The address of the SEC website is www.sec.gov. We maintain a website at www.deluxe.com. Information contained in or accessible through our website does not constitute a part of this prospectus.

We have filed a registration statement on Form S-3 with the SEC covering the securities that may be sold under this prospectus. For further information on us and the securities, you should refer to our registration statement and its exhibits. This prospectus summarizes material provisions of contracts and other documents that we refer you to. Because the prospectus may not contain all the information that you may find important, you should review the full text of these documents.

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### INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
The SEC allows us to “incorporate by reference” into this prospectus information contained in documents that we file with them, which means that we can disclose important information to you by referring you to those documents. The information incorporated by reference is an important part of this prospectus, and information that we file later with the SEC will automatically update and supersede this information. We also specifically incorporate by reference the following documents, which we have already filed with the SEC:

(i)

our Annual Report on Form 10-K for the year ended December 31, 2024 filed on February 21, 2025 (File No. 001-07945);

(ii)

our Current Reports on Form 8-K filed on January 28, 2025and February 21, 2025(File No. 001-07945); and

(iii)

the description of our common stock registered under Section 12 of the Exchange Act of 1934 (incorporated by reference to Exhibit 4.2to the Annual Report on Form 10-K for the year ended December 31, 2019) (File No. 001-07945), including any amendment or report filed for the purpose of updating such description.

In addition, we also incorporate by reference additional documents that we may file with the SEC under Sections 13(a), 13(c), 14 or 15(d) of the Securities Exchange Act of 1934 after the date of this prospectus and until the termination of this offering. These documents include periodic reports, such as Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q and Current Reports on Form 8-K, as well as proxy statements. Nothing in