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  4. [Form 3] Cantor Equity Partners III, Inc. Initial Statement of Beneficial Ownership

Harraden Circle funds disclose 5M Class A in Cantor (CAEP)

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
3

Rhea-AI Filing Summary

Harraden Circle–affiliated entities and Fortmiller Frederick Vincent Jr. filed an initial Form 3 for Cantor Equity Partners III, Inc., reporting indirect ownership of 5,000,000 Class A shares. The filing identifies each reporting person as a ten percent owner, reflecting a significant existing stake rather than a new transaction.

Positive

  • None.

Negative

  • None.
Insider Harraden Circle Investments, LLC, Harraden Circle Investors GP, LP, Harraden Circle Investors GP, LLC, Harraden Circle Investors, LP, Harraden Circle Special Opportunities, LP, Harraden Circle Strategic Investments, LP, Harraden Circle Concentrated, LP, Fortmiller Frederick Vincent Jr.
Role null | null | null | null | null | null | null | null
Type Security Shares Price Value
holding Class A -- -- --
Holdings After Transaction: Class A — 5,000,000 shares (Indirect, See Remarks)
Footnotes (1)
Indirect Class A ownership 5,000,000 shares Total Class A shares owned indirectly following holding entry
Ten percent owners reported 8 reporting persons Multiple Harraden Circle entities plus Fortmiller Frederick Vincent Jr.
Holding entries 1 entry Single holding record with unknown transaction code
Net buy/sell direction neutral Transaction summary shows no net buying or selling shares
ten percent owner regulatory
"each reporting person is identified as a ten percent owner"
Class A financial
"the reported security title is Class A"
Class A denotes a specific group of a company’s shares that carry a particular set of rights—most commonly different voting power or dividend priority compared with other share classes. Think of it like different seats on a bus where some seats let you steer and others only ride: knowing whether a share is Class A tells investors how much influence they have over company decisions and how returns might be distributed, which affects control and value.
indirect ownership financial
"ownership_type is indirect with ownership_code I"
Form 3 regulatory
"INSIDER FILING DATA (Form 3)"
Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.
Understanding Insider Trading Forms →
SEC Form 3
FORM 3UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:3235-0104
Estimated average burden
hours per response:0.5
1. Name and Address of Reporting Person*
Harraden Circle Investments, LLC
(Last)(First)(Middle)
885 THIRD AVE.
SUITE 2600B
(Street)
NEW YORK NEW YORK 10022
(City)(State)(Zip)
UNITED STATES
(Country)		2. Date of Event Requiring Statement (Month/Day/Year)
05/12/2026		3. Issuer Name and Ticker or Trading Symbol
Cantor Equity Partners III, Inc. [ CAEP ]
3a. Foreign Trading Symbol
5. If Amendment, Date of Original Filed (Month/Day/Year)
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
DirectorX10% Owner
Officer (give title below)Other (specify below)
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
XForm filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Class A5,000,000ISee Remarks
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year)3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
1. Name and Address of Reporting Person*
Harraden Circle Investments, LLC
(Last)(First)(Middle)
885 THIRD AVE.
SUITE 2600B
(Street)
NEW YORK NEW YORK 10022
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
Harraden Circle Investors GP, LP
(Last)(First)(Middle)
885 THIRD AVE.
SUITE 2600B
(Street)
NEW YORK NEW YORK 10022
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
Harraden Circle Investors GP, LLC
(Last)(First)(Middle)
885 THIRD AVE.
SUITE 2600B
(Street)
NEW YORK NEW YORK 10022
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
Harraden Circle Investors, LP
(Last)(First)(Middle)
885 THIRD AVE.
SUITE 2600B
(Street)
NEW YORK NEW YORK 10022
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
Harraden Circle Special Opportunities, LP
(Last)(First)(Middle)
885 THIRD AVE.
SUITE 2600B
(Street)
NEW YORK NEW YORK 10022
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
Harraden Circle Strategic Investments, LP
(Last)(First)(Middle)
885 THIRD AVE.
SUITE 2600B
(Street)
NEW YORK NEW YORK 10022
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
Harraden Circle Concentrated, LP
(Last)(First)(Middle)
885 THIRD AVE.
SUITE 2600B
(Street)
NEW YORK NEW YORK 10022
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
Fortmiller Frederick Vincent Jr.
(Last)(First)(Middle)
885 THIRD AVE.
SUITE 2600B
(Street)
NEW YORK NEW YORK 10022
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
Explanation of Responses:
Remarks:
These ordinary shares of the Issuer ("Shares") are directly owned by Harraden Circle Investors, LP ("Harraden Fund"); Harraden Circle Special Opportunities, LP; ("Harraden Special Op Fund"); Harraden Circle Strategic Investments, LP ("Harraden Strategic Fund"); and Harraden Circle Concentrated, LP ("Harraden Concentrated Fund"). Harraden Circle Investors GP, LP ("Harraden GP") is the general partner to Harraden Fund, Harraden Special Op Fund, Harraden Stratetic Fund, and Harraden Concentrated Fund, and Harraden Circle Investors GP, LLC ("Harraden LLC") is the general partner of Harraden GP. Harraden Circle Investments, LLC ("Harraden Adviser") serves as investment manager to Harraden Fund, Harraden Special Op Fund, Harraden Strategic Fund, Harraden Concentrated Fund. Frederick V. Fortmiller, Jr. ("Mr. Fortmiller") is the managing member of each of Harraden LLC and Harraden Adviser. Each of Harraden GP, Harraden LLC, Harraden Adviser, and Mr. Fortmiller disclaims beneficial ownership of the Shares reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the Shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
HARRADEN CIRCLE INVESTMENTS, LLC, By: /s/ Frederick V. Fortmiller, Jr., Managing Member05/15/2026
HARRADEN CIRCLE INVESTORS GP, LP, By: HARRADEN CIRCLE INVESTORS GP, LLC, its general partner, By: /s/ Frederick V. Fortmiller, Jr., Title: Managing Member05/15/2026
HARRADEN CIRCLE INVESTORS GP, LLC, By: /s/ Frederick V. Fortmiller, Jr., Managing Member05/15/2026
HARRADEN CIRCLE INVESTORS, LP, By: HARRADEN CIRCLE INVESTORS GP, LP, its general partner, By: HARRADEN CIRCLE INVESTORS GP, LLC, its general partner, By: /s/ Frederick V. Fortmiller, Jr., Title: Managing Member05/15/2026
HARRADEN CIRCLE SPECIAL OPPORTUNITIES, LP, By: HARRADEN CIRCLE INVESTORS GP, LP, its general partner, By: HARRADEN CIRCLE INVESTORS GP, LLC, its general partner, By: /s/ Frederick V. Fortmiller, Jr., Title: Managing Member05/15/2026
HARRADEN CIRCLE STRATEGIC INVESTMENTS, LP, By: HARRADEN CIRCLE INVESTORS GP, LP, its general partner, By: HARRADEN CIRCLE INVESTORS GP, LLC, its general partner, By: /s/ Frederick V. Fortmiller, Jr., Title: Managing Member05/15/2026
HARRADEN CIRCLE CONCENTRATED, LP, By: HARRADEN CIRCLE INVESTORS GP, LP, its general partner, By: HARRADEN CIRCLE INVESTORS GP, LLC, its general partner, By: /s/ Frederick V. Fortmiller, Jr., Title: Managing Member05/15/2026
FREDERICK V. FORTMILLER, JR., /s/ Frederick V. Fortmiller, Jr.05/15/2026
** 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 5 (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 3: SEC 1473 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What does the CAEP Form 3 filing by Harraden Circle entities report?

The Form 3 reports that Harraden Circle–affiliated entities and Fortmiller Frederick Vincent Jr. indirectly hold 5,000,000 Class A shares of Cantor Equity Partners III, Inc. It is an initial statement of existing beneficial ownership, not a record of new share purchases or sales.

How many CAEP Class A shares are reported as owned in this Form 3?

The filing shows 5,000,000 Class A shares of Cantor Equity Partners III, Inc. held indirectly following the reported holding entry. This figure represents the total beneficial ownership reported, rather than any specific transaction amount or trade on the filing date.

Who are the reporting persons in the CAEP Harraden Circle Form 3?

The reporting persons include several Harraden Circle investment entities and Fortmiller Frederick Vincent Jr., each identified as a ten percent owner of Cantor Equity Partners III, Inc. Together they report indirect beneficial ownership of 5,000,000 Class A shares in this initial filing.

Does the CAEP Form 3 show Harraden Circle buying or selling shares?

The Form 3 does not show explicit buying or selling activity. It records a holding entry with an unknown transaction code and indicates 5,000,000 Class A shares owned indirectly after the reported event, serving as an initial ownership disclosure rather than a trade report.

What type of ownership is disclosed in the CAEP Form 3 filing?

The filing characterizes the position as indirect ownership of Class A shares, with the nature of ownership described as “See Remarks.” This indicates the shares are held through entities associated with the reporting persons, rather than directly in their own names.