EX-32.1 5 mgtx-20260331xex32d1.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 Quarterly Report of MeiraGTx Holdings plc (the “Company”) on Form 10-Q for the quarterly period ended March 31, 2026 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, 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; and

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

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Date: May 14, 2026 | By: | /s/ Alexandria Forbes
​ | ​ | Alexandria Forbes
​ | ​ | President and Chief Executive Officer
​ | ​ | (principal executive officer)

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