1stdibs.com, Inc. — Director's Dealing 2023

Dec 13, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 1stdibs.com, Inc. (DIBS)
CIK: 0001600641
Period of Report: 2023-12-08

Reporting Person: Rubinger Matthew (Chief Commercial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-12-08	Common Stock	M	12108	—	Acquired	19164	Direct
2023-12-08	Common Stock	F	4366	$4.74	Disposed	14798	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-12-08	Restricted Stock Units	$	M	9204	Disposed		Common Stock (9204)	Direct
2023-12-08	Restricted Stock Units	$	M	2904	Disposed		Common Stock (2904)	Direct

Footnotes

F1: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F2: These shares were retained by 1stdibs, Inc. ("1stdibs") via settlement on a net withholding basis in order to meet the tax withholding obligations of the reporting person in connection with the vesting of an installment of restricted stock units ("RSUs") granted to the reporting person on December 9, 2021 and March 14, 2023. None of these shares were sold in an open market transaction.

F3: The initial number of restricted stock units granted shall vest in 12 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F4: Twenty-five percent (25%) of the restricted stock units shall vest on December 8, 2022, provided the Reporting Person continues to have a service relationship with the Issuer at such time. Thereafter, the remaining seventy-five percent (75%) of the restricted stock units shall vest in 12 equal quarterly installments starting on March 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.