As of November 6, 2026, Siebert Financial Corp. is a publicly traded company (Nasdaq: SIEB). The largest holder reporting an active stake on Schedule 13D is Gloria E. Gebbia, a 10% owner, at 42%. No bankruptcy or receivership appears in its SEC Form 8-K filings (Schedule 13D/A, August 28, 2026).
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Is Siebert Financial Corp. a real, registered company?
- Siebert Financial Corp. files with the SEC under CIK 65596 (its SEC filings).
- Its shares are listed under the ticker SIEB on Nasdaq (SEC company record).
- Incorporated in New York; 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 Siebert Financial Corp. in our court records and SEC 8-K records (as of 2026-11-06).
- Leadership changes: the latest reported is John M. Gebbia (Form 8-K filed 2026-09-25). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Gloria E. Gebbia (filed 2026-08-28).
Who are Siebert Financial Corp.'s owners and officers?
Siebert Financial Corp.: incorporated in New York; business address in New York, New York; industry Security Brokers, Dealers & Flotation Companies (Form D, 2026-09-25).
| Report | Holder | Share |
|---|---|---|
| Schedule 13D/A, 2026-08-28 | Gloria E. Gebbia | 42% |
| Schedule 13D/A, 2026-01-22 | Gloria E. Gebbia | 42% |
| Schedule 13D/A, 2025-11-24 | Gloria E. Gebbia | 42% |
Questions about who owns Siebert Financial Corp.
Who owns Siebert Financial Corp.?
On this page, one holder's latest ownership filing reports 5% or more of Siebert Financial Corp.: Gloria E. Gebbia (42%, Schedule 13D/A, filed 2026-08-28).
When did Gloria E. Gebbia buy into Siebert Financial Corp.?
The filings give report dates, not purchase dates. The earliest filing from Gloria E. Gebbia on this page is the Schedule 13D/A, filed 2025-11-24, reporting 42%; its latest, Schedule 13D/A filed 2026-08-28, reports 42%. 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%); 3 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, 2026-09-25 | John M. Gebbia | appointed |
Which insiders own Siebert Financial Corp. 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 10% owner: 26,914,957 shares (65.5% of shares outstanding), held indirectly through Control Group (Form 4, 2026-09-30).
- , the chief executive and a director: 26,914,957 shares (65.5% of shares outstanding), held indirectly through Control Group (Form 4, 2026-09-30).
- Richard Gebbia: 20,791,703 shares (50.6% of shares outstanding), 3,078,127 held directly and 17,713,576 indirectly (Form 4, 2026-09-30).
- , a director: 19,566,534 shares (47.6% of shares outstanding), 1,921,891 held directly and 17,644,643 indirectly (Form 4, 2026-09-30).
- David Gebbia: 18,926,621 shares (46.0% of shares outstanding), 1,415,318 held directly and 17,511,303 indirectly (Form 4, 2026-09-30).
Shares outstanding: 41,100,936 as of 2026-08-11, from the company's latest SEC cover page.
How much has Siebert Financial Corp. raised?
Latest IPO step: Siebert Financial Corp. filed its final IPO prospectus (424B4, 2024-07-16).
IPO filings: 424B4, 2024-07-16.
Keep reading
More on Siebert Financial Corp. and the records around it.
Siebert Financial Corp. elsewhere on the record
- Leadership changes Sep 2026
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