John M. Gebbia - 28 Sep 2026 Form 4 Insider Report for SIEBERT FINANCIAL CORP (SIEB)

Reporting relationship: Director, Member of 10% owner group
Issuer ticker: SIEB
Reported as of: 28 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 30 Sep 2026, 15:00:31 UTC
Prior SEC filing: 04 Sep 2026
Source filing: View source filing
Reporting owner signature: /s/ John M. Gebbia

Filing notes and source

Key filing fact

John M. Gebbia filed Form 4 for SIEBERT FINANCIAL CORP (SIEB) on 30 Sep 2026.

Key facts

This page summarizes John M. Gebbia's Form 4 filing for SIEBERT FINANCIAL CORP (SIEB).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 30 Sep 2026, 15:00.

Change

Previous filing in this sequence was filed on 04 Sep 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001727425 Primary reporting owner

Gebbia John M.

Relationship: Director, Member of 10% owner group
Address: C/O SIEBERT FINANCIAL CORP., 653 COLLINS AVENUE, MIAMI BEACH
Signature: /s/ John M. Gebbia
Signature date: 30 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SIEB transaction

Common Stock, $0.01 par value per share

Gift

Transaction value
Shares: +34,680
Change %: +7.1%
Price: $0.000000^*
Shares after: 524,680
Date: 28 Sep 2026
Ownership: See Footnote
Footnotes: F2

SIEB holding

Common Stock, $0.01 par value per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,921,891
Date: 28 Sep 2026
Ownership: Direct
Footnotes: F1

SIEB holding

Common Stock, $0.01 par value per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 17,119,963
Date: 28 Sep 2026
Ownership: Control Group
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

The Reporting Person owns 1,921,891 shares of Issuer common stock.

Footnote F2

The Reporting Person's minor family members were gifted an aggregate of 34,680 shares of Issuer common stock, resulting in a net increase of 34,680 shares of Issuer common stock to the Reporting Person's indirect ownership. The Reporting Person's various family members own 524,680 shares of Issuer common stock. These shares are included in the Reporting Person's indirect beneficial ownership holdings. The Reporting Person disclaims beneficial ownership of such shares of Issuer common stock, except to the extent of the Reporting Person's pecuniary interest therein.

Footnote F3

The Reporting Person is part of a control group consisting of family members of the Reporting Person. A limited liability company owned by various family members not in the control group gifted an aggregate of 69,360 shares of Issuer common stock to family members of the control group, resulting in a net increase of 69,360 shares of Issuer common stock to the control group. The Reporting Person disclaims beneficial ownership of such shares of Issuer common stock, except to the extent of the Reporting Person's pecuniary interest therein.