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 on Form 10-K of Markforged Holding Corporation, Inc. (the “Company”) for the period ended December 31, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Shai Terem, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that, to 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 Company.

 

Date: March 28, 2025

By:

 

/s/Shai Terem

 

 

 

Shai Terem

 

 

 

Chief Executive Officer

(Principal Executive Officer)

 

This certification is being furnished pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, or otherwise subject to the liability of that section. This certification will not be deemed to be incorporated by reference into any filing under the Securities Act of 1933 or the Securities Exchange Act of 1934.