1stdibs.com, Inc. — Director's Dealing 2024

Mar 13, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 1stdibs.com, Inc. (DIBS)
CIK: 0001600641
Period of Report: 2024-03-08

Reporting Person: ROSENBLATT DAVID S (Director, Chief Executive Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-03-08	Common Stock	M	37500	—	Acquired	1577000	Direct
2024-03-08	Common Stock	F	15094	$5.25	Disposed	1561906	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2024-03-08	Restricted Stock Units	$	A	760000	Acquired		Common Stock (760000)	Direct
2024-03-08	Restricted Stock Units	$	M	37500	Disposed		Common Stock (37500)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	22500	Indirect
Common Stock	665302	Indirect

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 March 15, 2023. None of these shares were sold in an open market transaction.

F3: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2024, 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: The initial number of restricted stock units granted shall vest in 16 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.