EX-32.1 8 ex321q4fy24ceocert.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 1stdibs.com, Inc. (the “Company”) on Form 10-K for the period ending December 31, 2024 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 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.

By: | /s/ David Rosenblatt
Date: March 3, 2025 | David S. Rosenblatt Chief Executive Officer