EX-32.1 4 ospn-20220331xex32d1.htm EX-32.1

EXHIBIT 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

I, Matthew Moynahan, certify, based upon a review of the Quarterly Report on Form 10-Q for OneSpan Inc. for the first quarter ended March 31, 2022, that to the best of my knowledge:

| (1) | The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

| (2) | The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Registrant.

​ | ​
/s/ Matthew P. Moynahan | ​
Matthew P. Moynahan | ​
Chief Executive Officer | ​
​ | ​
May 3, 2022 | ​

​