John A. Catsimatidis Jr - 14 Nov 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
36,706,569 shares
Disclosed Ownership
1,872,035 shares
Ownership
5.1%
Form type
SCHEDULE 13D
Filing time
21 Nov 2025, 21:50:02 UTC
Date of event
14 Nov 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% 1,872,035 1,872,035 0 /s/ Emily Pankow Emily Pankow, Attorney-in-Fact for John A. Catsimatidis Jr. 0002022852
Red Apple Group, Inc. 5.1% 1,872,035 1,872,035 0 /s/ Emily Pankow Emily Pankow, Authorized Signatory
United Acquisition Corp. 5.1% 1,872,035 1,872,035 0 /s/ Emily Pankow Emily Pankow, Authorized Signatory
United Refining, Inc. 5.1% 1,872,035 1,872,035 0 /s/ Emily Pankow Emily Pankow, Authorized Signatory
John A. Catsimatidis 5.1% 1,872,035 1,872,035 0 /s/ Emily Pankow Emily Pankow, Attorney-in-Fact for John A. Catsimatidis