Thomas J. Etergino - 08 Sep 2025 Form 4 Insider Report for 1stdibs.com, Inc. (DIBS)

Signature
/s/ Melanie Goins, Attorney-In-Fact for Thomas J Etergino
Issuer symbol
DIBS
Transactions as of
08 Sep 2025
Transactions value $
-$54,295
Form type
4
Filing time
10 Sep 2025, 18:05:07 UTC
Previous filing
11 Jun 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Etergino Thomas J Chief Financial Officer 300 PARK AVENUE SOUTH, 10TH FLOOR, NEW YORK /s/ Melanie Goins, Attorney-In-Fact for Thomas J Etergino 10 Sep 2025 0001336088

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction DIBS Common Stock Options Exercise +16.6K +7.99% 224K 08 Sep 2025 Direct F1
transaction DIBS Common Stock Options Exercise +14.1K +6.3% 238K 08 Sep 2025 Direct F1
transaction DIBS Common Stock Options Exercise +11.2K +4.7% 249K 08 Sep 2025 Direct F1
transaction DIBS Common Stock Options Exercise +11.2K +4.48% 260K 08 Sep 2025 Direct F1
transaction DIBS Common Stock Sale -$54.3K -19.4K -7.45% $2.80 241K 08 Sep 2025 Direct F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction DIBS Restricted Stock Units Options Exercise $0 -16.6K -25% $0.00 49.7K 08 Sep 2025 Common Stock 16.6K Direct F1, F3
transaction DIBS Restricted Stock Units Options Exercise $0 -14.1K -33.33% $0.00 28.2K 08 Sep 2025 Common Stock 14.1K Direct F1, F4
transaction DIBS Restricted Stock Units Options Exercise $0 -11.2K -9.09% $0.00 112K 08 Sep 2025 Common Stock 11.2K Direct F1, F5
transaction DIBS Restricted Stock Units Options Exercise $0 -11.2K -6.67% $0.00 156K 08 Sep 2025 Common Stock 11.2K Direct F1, F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.
F2 These shares were retained by Issuer 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 June 2, 2022, March 14, 2023, and March 15, 2025. None of these shares were sold in an open market transaction.
F3 Twenty-five percent (25%) of the restricted stock units shall vest on June 8, 2023, 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 September 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 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.
F5 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.
F6 The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2025, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.