David S. Rosenblatt - 31 Mar 2026 SCHEDULE 13G/A Report for 1stdibs.com, Inc. Common Stock, $0.01 par value per share (DIBS)

Filing Manager
David S. Rosenblatt
Reporting Manager
David S. Rosenblatt
Security
1stdibs.com, Inc. Common Stock, $0.01 par value per share
Symbol
DIBS
Shares outstanding
36,978,204 shares
Disclosed Ownership
3,623,864 shares
Ownership
9.8%
Form type
SCHEDULE 13G/A
Filing time
15 May 2026, 11:42:49 UTC
Date of event
31 Mar 2026
Previous filing
13 Feb 2026
SEC
View on sec.gov

Quoteable Key Fact

"David S. Rosenblatt disclosed 9.8% ownership in 1stdibs.com, Inc. Common Stock, $0.01 par value per share (DIBS) on 31 Mar 2026."

Quick Takeaways

  • David S. Rosenblatt filed SCHEDULE 13G/A for 1stdibs.com, Inc. Common Stock, $0.01 par value per share (DIBS).
  • Disclosed ownership: 9.8%.
  • Date of event: 31 Mar 2026.

What Changed

  • Previous schedule filing date: 13 Feb 2026.
  • Current filing was accepted on 15 May 2026, 11:42.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
David S. Rosenblatt 9.8% 3,623,864 3,623,864 0 David S. Rosenblatt David S. Rosenblatt
Bessemer Trust Company of Delaware, N.A., as Trustee of the 2024 Laura Thalheimer Rosenblatt Family Trust u/a/d April 1, 2024 0.1% 22,500 22,500 0 Bessemer Trust Company of Delaware, N.A., as Trustee of the 2024 Laura Thalheimer Rosenblatt Family Trust u/a/d April 1, 2024 By: Emily Nelson Its: Associate Vice President and Trust Officer
2012 David Rosenblatt Family Trust dated November 30, 2012 1.9% 665,302 665,302 0 2012 David Rosenblatt Family Trust dated November 30, 2012 By: David Peltz Its: Trustee
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