STOCK TITAN

Siebert insider details 17.1M-share family stake

Siebert Financial Corp (SIEB) insider John M. Gebbia, identified as a member of a 10% owner group, reported his holdings of common stock.

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Siebert Financial Corp (SIEB) insider John M. Gebbia, identified as a member of a 10% owner group, reported his holdings of common stock. He directly owns 1,921,891 shares of Siebert common stock. Various family members collectively own an additional 490,000 shares, for which he disclaims beneficial ownership except for any pecuniary interest. Gebbia also reports indirect ownership as part of a family control group holding 17,060,603 shares of Siebert common stock. Within this control group, family members gifted 22,500 shares to individuals outside the group and a related family member acquired 15,000 shares, resulting in a net decrease of 7,500 shares held by the control group, with Gebbia disclaiming beneficial ownership of those shares except to the extent of his pecuniary interest.

Positive

  • None.

Negative

  • None.
Insider Gebbia John M.
Role Insider
Type Security Shares Price Value
holding Common Stock, $0.01 par value per share F1 -- -- --
holding Common Stock, $0.01 par value per share F2 -- -- --
holding Common Stock, $0.01 par value per share F3 -- -- --
Holdings After Transaction: Common Stock, $0.01 par value per share — 1,921,891 shares (Direct); Common Stock, $0.01 par value per share — 490,000 shares (Indirect, See Footnote); Common Stock, $0.01 par value per share — 17,060,603 shares (Indirect, Control Group)
Footnotes (3)
  1. F1. The Reporting Person owns 1,921,891 shares of Issuer common stock.
  2. F2. The Reporting Person's various family members own 490,000 shares of Issuer common stock. 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.
  3. F3. The Reporting Person is part of a control group consisting of family members of the Reporting Person. Members of the control group gifted 22,500 shares of Issuer common stock to individuals not included within the control group. Additionally, a family member of a member in the control group acquired 15,000 shares of Issuer common stock. These events resulted in a net decrease of 7,500 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.
Directly owned shares 1,921,891 shares of common stock Owned directly by John M. Gebbia as stated in footnote F1
Family members' shares 490,000 shares of common stock Owned by various family members of the reporting person, per footnote F2
Control group holdings 17,060,603 shares of common stock Indirect holdings reported as "Control Group" total shares following transaction
Gifted shares from control group 22,500 shares of common stock Gifted by control group members to individuals outside the group, per footnote F3
Shares acquired by related family member 15,000 shares of common stock Acquired by a family member of a control group member, per footnote F3
Net change in control group holdings 7,500 shares of common stock decrease Net decrease in control group shares from gifts and acquisitions, per footnote F3
control group financial
"The Reporting Person is part of a control group consisting of family members"
A control group is a set of study subjects that does not receive the treatment or change being tested, providing a baseline to show what happens without the intervention. For investors, control groups matter because they help determine whether reported benefits are real or just coincidence or outside influences—think of testing a new recipe by comparing it against the original to see if the change truly improves the result.
beneficial ownership financial
"The Reporting Person disclaims beneficial ownership of such shares of Issuer common stock"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
pecuniary interest financial
"except to the extent of the Reporting Person's pecuniary interest therein"
Issuer common stock financial
"shares of Issuer common stock to individuals not included within the control group"

FAQ

How many SIEB shares does John M. Gebbia directly own according to this Form 4?

John M. Gebbia directly owns 1,921,891 shares of Siebert Financial Corp common stock, as disclosed in the filing and clarified in footnote F1.

What SIEB holdings are attributed to John M. Gebbia’s family members?

Various family members of John M. Gebbia own 490,000 shares of Siebert common stock. He disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in them.

What is the size of the SIEB control group holding reported for John M. Gebbia?

The filing reports that the family control group associated with John M. Gebbia holds 17,060,603 shares of Siebert Financial Corp common stock, with Gebbia disclaiming beneficial ownership except to the extent of his pecuniary interest.

What transactions affected the SIEB control group’s holdings in this Form 4?

Members of the control group gifted 22,500 shares of Siebert stock to individuals outside the group, while a related family member acquired 15,000 shares. These actions led to a net decrease of 7,500 shares held by the control group.

Does John M. Gebbia use a Rule 10b5-1 trading plan for these SIEB holdings?

The document-level Rule 10b5-1 checkbox is marked false, indicating these reported positions and changes are not affirmed as made under a Rule 10b5-1 trading plan.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Learn about SEC filing dates
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Gebbia John M.

(Last)(First)(Middle)
C/O SIEBERT FINANCIAL CORP.
653 COLLINS AVENUE

(Street)
MIAMI BEACH FLORIDA 33139

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
SIEBERT FINANCIAL CORP [ SIEB ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
Officer (give title below)XOther (specify below)
Member of 10% owner group
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/26/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock, $0.01 par value per share1,921,891D(1)
Common Stock, $0.01 par value per share490,000ISee Footnote(2)
Common Stock, $0.01 par value per share17,060,603IControl Group(3)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. The Reporting Person owns 1,921,891 shares of Issuer common stock.
2. The Reporting Person's various family members own 490,000 shares of Issuer common stock. 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.
3. The Reporting Person is part of a control group consisting of family members of the Reporting Person. Members of the control group gifted 22,500 shares of Issuer common stock to individuals not included within the control group. Additionally, a family member of a member in the control group acquired 15,000 shares of Issuer common stock. These events resulted in a net decrease of 7,500 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.
/s/ John M. Gebbia08/28/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)