As of November 7, 2026, 1stdibs.com, Inc. is a publicly traded company (Nasdaq: DIBS). The largest holder reporting an active stake on Schedule 13D is John A. Catsimatidis Jr., at 7.8%. No bankruptcy or receivership appears in its SEC Form 8-K filings. Founder or officer holdings: David Rosenblatt, the chairman (10.5%, reporting on Schedule 13G) (Schedule 13D/A, October 19, 2026).
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Is 1stdibs.com, Inc. a real, registered company?
- 1stdibs.com, Inc. files with the SEC under CIK 1600641 (its SEC filings).
- Its shares are listed under the ticker DIBS on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in New York, New York, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under 1stdibs.com, Inc. in our court records and SEC 8-K records (as of 2026-11-07).
- Leadership changes: the latest reported is David Rosenblatt, Chief Executive Officer (Form 8-K filed 2026-11-05). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names John A. Catsimatidis Jr. (filed 2026-10-19).
Who are 1stdibs.com, Inc.'s owners and officers?
1stdibs.com, Inc.: incorporated in Delaware; business address in New York, New York; industry Retail-Catalog & Mail-Order Houses (Form D, 2026-11-05).
| Report | Holder | Share |
|---|---|---|
| Schedule 13D/A, 2026-10-19 | John A. Catsimatidis Jr. | 7.8% |
| Schedule 13G/A, 2026-08-14 | David S. Rosenblatt | 10.5% |
| Schedule 13G/A, 2026-05-15 | David S. Rosenblatt | 9.8% |
| Schedule 13G/A, 2026-02-13 | David S. Rosenblatt | 9.3% |
| Schedule 13G, 2026-02-06 | Kanen Wealth Management LLC | 5.3% |
| Schedule 13G, 2026-01-15 | Sofina Capital S.A. | 0% |
| Schedule 13D, 2025-11-21 | John A. Catsimatidis Jr. | 5.1% |
| Schedule 13G/A, 2025-11-14 | David S. Rosenblatt | 10.4% |
| Schedule 13G/A, 2025-08-14 | David S. Rosenblatt | 10.2% |
Questions about who owns 1stdibs.com, Inc.
Who owns 1stdibs.com, Inc.?
On this page, 3 holders' latest ownership filings report 5% or more of 1stdibs.com, Inc.: David S. Rosenblatt (10.5%, Schedule 13G/A, filed 2026-08-14), John A. Catsimatidis Jr. (7.8%, Schedule 13D/A, filed 2026-10-19) and Kanen Wealth Management LLC (5.3%, Schedule 13G, filed 2026-02-06).
Who are the largest shareholders of 1stdibs.com, Inc.?
By the share each holder's latest filing reports, the largest holders of 1stdibs.com, Inc. on this page are David S. Rosenblatt (10.5%), John A. Catsimatidis Jr. (7.8%) and Kanen Wealth Management LLC (5.3%).
When did David S. Rosenblatt buy into 1stdibs.com, Inc.?
The filings give report dates, not purchase dates. The earliest filing from David S. Rosenblatt on this page is the Schedule 13G/A, filed 2025-08-14, reporting 10.2%; its latest, Schedule 13G/A filed 2026-08-14, reports 10.5%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 9 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-11-05 | David Rosenblatt | Chief Executive Officer | departed | 2027-01-01 |
| Form 8-K, 2026-11-05 | Bradford Shellhammer | appointed | ||
| Form 8-K, 2026-11-05 | David Rosenblatt | Executive Chairperson | appointed |
Which insiders own 1stdibs.com, Inc. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , a director: 3,769,460 shares (11.1% of shares outstanding), 115,544 held directly and 3,653,916 indirectly (Form 4, 2026-06-10).
- , the chief executive and a director: 2,938,376 shares (8.6% of shares outstanding), 2,203,074 held directly and 735,302 indirectly (Form 4, 2026-09-10).
- , the chief financial officer: 350,293 shares (1.0% of shares outstanding) (Form 4, 2026-09-10).
- , the general counsel and cpo: 264,692 shares (0.78% of shares outstanding) (Form 4, 2026-09-10).
- , a director: 115,544 shares (0.34% of shares outstanding) (Form 4, 2026-06-10).
Shares outstanding: 34,050,988 as of 2026-10-30, from the company's latest SEC cover page.
How much has 1stdibs.com, Inc. raised?
No fundraising or offering filing from 1stdibs.com, Inc. is on file with us.
Keep reading
More on 1stdibs.com, Inc. and the records around it.
1stdibs.com, Inc. elsewhere on the record
- Leadership changes Nov 2026
- 5%+ stake filings Oct 2026
Companies that share a holder
- Philotimo Fund, LP also filed stake reports on 9 other companies: Apyx Medical Corp (Oct 2026), Fossil Group, Inc. (Sep 2026), Allot Ltd. (Jun 2026)
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