EX-32.1 6 hook-20231231xex32d1.htm EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

​

In connection with the Annual Report of HOOKIPA Pharma Inc. (the “Company”) on Form 10-K for the period ending December 31, 2023, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), the undersigned hereby certify that to the best of their knowledge:

​

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

​

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

​

​ ​ ​ | ​
Date: March 22, 2024 | /s/ Joern Aldag
​ | Joern Aldag
​ | Chief Executive Officer (Principal Executive Officer)
​ | ​
Date: March 22, 2024 | /s/ Reinhard Kandera
​ | Reinhard Kandera Chief Financial Officer (Principal Financial and Accounting Officer)

​