John A. Catsimatidis Jr - Nov 14, 2025 SCHEDULE 13D Report for 1stdibs.com, Inc. Common Stock, par value $0.01 per share (DIBS)

Filing Manager
John A. Catsimatidis Jr
Reporting Manager
John A. Catsimatidis Jr.
Security
1stdibs.com, Inc. Common Stock, par value $0.01 per share
Symbol
DIBS
Shares outstanding
36.7M shares
Disclosed Ownership
1.87M shares
Ownership
5.1%
Form type
SCHEDULE 13D
Date filed
11/21/2025, 09:50 PM
Date of event
Nov 14, 2025
SEC
View on sec.gov

Reporting Managers (5)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
John A. Catsimatidis Jr. 5.1% 1.87M 1.87M 0 /s/ Emily Pankow Emily Pankow, Attorney-in-Fact for John A. Catsimatidis Jr. 0002022852
Red Apple Group, Inc. 5.1% 1.87M 1.87M 0 /s/ Emily Pankow Emily Pankow, Authorized Signatory
United Acquisition Corp. 5.1% 1.87M 1.87M 0 /s/ Emily Pankow Emily Pankow, Authorized Signatory
United Refining, Inc. 5.1% 1.87M 1.87M 0 /s/ Emily Pankow Emily Pankow, Authorized Signatory
John A. Catsimatidis 5.1% 1.87M 1.87M 0 /s/ Emily Pankow Emily Pankow, Attorney-in-Fact for John A. Catsimatidis