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Gebbia details 17.1M-share Siebert control stake

SIEBERT FINANCIAL CORP (SIEB) insider David Gebbia reported his ownership of common stock as of 2026-08-26.

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

SIEBERT FINANCIAL CORP (SIEB) insider David Gebbia reported his ownership of common stock as of 2026-08-26. He holds 1,415,318 shares directly. Various family members hold 387,000 additional shares, for which he disclaims beneficial ownership except for any pecuniary interest. He is also part of a family control group that collectively holds 17,060,603 shares after members gifted 22,500 shares and a related family member acquired 15,000 shares, a net decrease of 7,500 shares to the control group.

Positive

  • None.

Negative

  • None.
Insider Gebbia David
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 — 1,415,318 shares (Direct); Common Stock, $0.01 par value per share — 374,000 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 1,415,318 shares of Issuer common stock.
  2. F2. The Reporting Person's various family members own 387,000 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 1,415,318 shares of common stock Owned by David Gebbia as stated in footnote F1
Family members’ shares 387,000 shares of common stock Held by various family members, with beneficial ownership disclaimed (F2)
Control group holdings 17,060,603 shares of common stock Total control group position after described gifts and acquisition (F3)
Shares gifted by control group members 22,500 shares of common stock Gifted to individuals not in the control group (F3)
Shares acquired by related family member 15,000 shares of common stock Acquired by a family member of a control group member (F3)
Net change to control group 7,500 shares of common stock decrease Net result of gifts and acquisition to the control group (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"
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"

FAQ

What direct ownership did David Gebbia report in SIEB common stock?

David Gebbia reported direct ownership of 1,415,318 shares of SIEBERT FINANCIAL CORP common stock as of 2026-08-26, according to the Form 4 footnote.

How many SIEB shares do David Gebbia’s family members own?

Family members of David Gebbia own 387,000 shares of Siebert Financial Corp 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 control group position in SIEB shares?

A family control group that includes David Gebbia holds 17,060,603 shares of Siebert Financial Corp common stock after recent internal gifts and an acquisition described in the Form 4 footnote.

What transactions affected the SIEB control group’s holdings?

Members of the control group gifted 22,500 SIEB shares to individuals outside the group, while a family member of a group member acquired 15,000 shares, resulting in a net decrease of 7,500 shares to the control group’s holdings.

Does David Gebbia claim beneficial ownership of all reported family and control group SIEB shares?

No. David Gebbia disclaims beneficial ownership of the family and control group shares described in the footnotes, except to the extent of his pecuniary interest in those shares.

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 David

(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 share1,415,318D(1)
Common Stock, $0.01 par value per share374,000ISee 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 1,415,318 shares of Issuer common stock.
2. The Reporting Person's various family members own 387,000 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/ David 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)